复工来临,口罩紧缺,口罩可以消毒处理之后重复使用吗?详解+电镜实验
div class=" rich_media_content " id=" js_content" style=" margin: 0px padding: 0px overflow: hidden color: rgb(51, 51, 51) font-size: 17px overflow-wrap: break-word text-align: justify position: relative z-index: 0 " helvetica=" " pingfang=" " hiragino=" " sans=" " microsoft=" " yahei=" " letter-spacing:=" " white-space:=" " background-color:=" " visibility:=" " section data-style-id=" 25807" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-indent: 2em " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 16px " 目前新冠肺炎的情况还不是非常明朗,距离大家上班的日子越来越近。一旦复工,大量人口开始流动聚集,即使库存了一些口罩也会很快捉襟见肘,更别说有很多人目前还买不到口罩。那很多人都说,口罩是不是可以消毒处理之后,再重复利用呢? /span /section section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-indent: 2em " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 16px " 另外自从我们上篇关于口罩的推文发出之后,很多人在后台留言说,现在口罩很难买,能否再次重复利用?也有人提出质疑说,用酒精消毒之后是不可以再重复利用的。针对大家的疑问,我们进行了调研和相关的试验研究。 /span br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /section /section /section p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 28px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 16px " 随机截取了目前网上的一些主流观点: /span /p p style=" text-align: center" img style=" max-width: 100% max-height: 100% width: 600px height: 351px " src=" https://img1.17img.cn/17img/images/202002/uepic/977a61d3-48e5-434f-9c7f-bb7cbb46bc63.jpg" title=" 1.jpg" alt=" 1.jpg" width=" 600" height=" 351" border=" 0" vspace=" 0" / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-indent: 28px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 16px " 行业内的 /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 16px " 专家指出:酒精消毒之后,不建议使用,因为酒精消毒会使得病毒从飞沫中分离,且有可能被吸入。 /span /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-indent: 28px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 16px " 更多的人认为,酒精消毒会破坏口罩微观结构,从而使得过滤效率降低。 /span /p p style=" text-align: center" img style=" max-width:100% max-height:100% " src=" https://img1.17img.cn/17img/images/202002/uepic/df9487b9-1621-4700-96fe-78116f4448f1.jpg" title=" 2.png" alt=" 2.png" / /p section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-indent: 2em " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 16px " 也有一些专家认为,通过实验证明,75%乙醇消毒处理之后,对口罩的过滤层影响非常弱。 p style=" text-align: center" img style=" max-width: 100% max-height: 100% width: 500px height: 331px " src=" https://img1.17img.cn/17img/images/202002/uepic/03e672fa-f26c-4b2d-87fb-fdbd5398a873.jpg" title=" 3.jpg" alt=" 3.jpg" width=" 500" height=" 331" border=" 0" vspace=" 0" / /p /span /section section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-indent: 2em " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 16px " 鉴于以上不同的观点,我们尽力通过各种文献资料查阅和实验研究,给出尽量全面的解释。 /span /section section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-indent: 2em " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 16px " 目前网上大家讨论比较热门的口罩消毒处理方式有:酒精消毒,高温消毒(沸水煮,水蒸气消毒,烤箱消毒,微波炉消毒),热风(吹风机)消毒,含氯消毒剂消毒,紫外线消毒等,我们就其中日常实施更方便的 strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 酒精消毒和高温消毒进行重点研究 /strong 。 /span /section section data-style-id=" 25843" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 10px 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: center " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex justify-content: center align-items: center " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em width: 2.5em transform: rotateZ(0deg) box-sizing: border-box !important overflow-wrap: break-word !important " br/ /p section style=" margin: 0px 0px 0px -30px padding: 3px 8px max-width: 100% box-sizing: border-box word-wrap: break-word !important background-color: rgb(232, 207, 255) display: inline-block border-radius: 18px " section style=" margin: 0px 10px 0px 30px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(172, 57, 255) font-size: 18px " 酒精消毒对口罩影响的实验设计 /span /strong /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /p /section /section /section /section /section /section section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: left text-indent: 0em " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 16px " 实验目的: /span /strong span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 16px " 讨论酒精消毒后口罩的微观结构、吸附效果是否改变以及口罩是否可以继续使用。 /span /section section style=" margin: 0px padding: 0px max-width: 100% text-indent: 0em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 实验手段: /strong 通过扫描电镜观察口罩微观结构。 /span /section section style=" margin: 0px padding: 0px max-width: 100% text-indent: 0em box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 16px " 实验方法如下: /span /strong br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /section section data-style-id=" 25473" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 10px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 10px 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important box-shadow: rgb(137, 152, 153) 0px 0px 3px " section style=" margin: 25px 0px 0px -10px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex justify-content: center align-items: flex-start " section data-width=" 8%" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 51.5208px " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important border-radius: 10px border: 2px solid rgb(177, 177, 177) width: 20px height: 10px background-color: rgb(254, 254, 254) " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /section /section section data-width=" 94%" style=" margin: -12px 0px 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 605.479px text-align: left " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex align-items: center " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 26px " 01 /span /p /section section style=" margin: 0px 0px 0px 5px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 微软雅黑 font-size: 16px " 将佩戴大约3个小时左右的KN90口罩不做任何处理,分别取其最外层(隔离层)内外表面、中间层(过滤层)内外表面、最内层(舒适层)内外表面共6组样本作为参照组。 /span /p /section /section /section /section /section section style=" margin: 25px 0px 0px -10px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex justify-content: center align-items: flex-start " section data-width=" 8%" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 51.5208px " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important border-radius: 10px border: 2px solid rgb(177, 177, 177) width: 20px height: 10px background-color: rgb(254, 254, 254) " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /section /section section data-width=" 94%" style=" margin: -12px 0px 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 605.479px text-align: left " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex align-items: center " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 26px " 02 /span /p /section section style=" margin: 0px 0px 0px 5px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 微软雅黑 font-size: 16px " 将该口罩剪下一块放入75%的酒精中浸泡15分钟,自然晾干,分别取其最外层(隔离层)内外表面、中间层(过滤层)内外表面、最内层(舒适层)内外表面共6组样本作为实验组。 /span /p /section /section /section /section /section /section /section /section p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: center box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 实验得到的数据如下: /strong /p p style=" text-align: center" img style=" max-width: 100% max-height: 100% width: 450px height: 377px " src=" https://img1.17img.cn/17img/images/202002/uepic/1d7e8da6-6366-4c54-9c18-cfb35a761f1b.jpg" title=" 处理1.png" alt=" 处理1.png" width=" 450" height=" 377" border=" 0" vspace=" 0" / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: center box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 图 /span 1 span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " span class=" Apple-converted-space" & nbsp /span 酒精浸泡前后 /span /span strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 口罩 /span 隔离层外表面 /span /strong span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " 扫描电镜图片(基于日立SU8020冷场发射扫描电镜) /span /p p style=" text-align: center" img style=" max-width: 100% max-height: 100% width: 450px height: 376px " src=" https://img1.17img.cn/17img/images/202002/uepic/766b781f-5d9d-4c1b-9e98-9518858cbb93.jpg" title=" 修正5.png" alt=" 修正5.png" width=" 450" height=" 376" border=" 0" vspace=" 0" / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: center box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 图 /span 2 span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " span class=" Apple-converted-space" & nbsp /span 酒精浸泡前后 /span /span strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 口罩 /span 隔离层内表面 /span /strong span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " 扫描电镜图片 /span /p p style=" text-align: center" img style=" max-width: 100% max-height: 100% width: 450px height: 376px " src=" https://img1.17img.cn/17img/images/202002/uepic/2c8ff79b-c96e-4760-8c86-5f42ee5fd658.jpg" title=" 修正6.png" alt=" 修正6.png" width=" 450" height=" 376" border=" 0" vspace=" 0" / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: center box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 图 /span 3 span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " span class=" Apple-converted-space" & nbsp /span 酒精浸泡前后 /span /span strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 口罩 /span 过滤层外表面 /span /strong span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " 扫描电镜图片 /span /p p style=" text-align: center" img style=" max-width: 100% max-height: 100% width: 450px height: 380px " src=" https://img1.17img.cn/17img/images/202002/uepic/1fcd2724-fea6-49fa-9d83-b97f8cbe8b8e.jpg" title=" 修正7.png" alt=" 修正7.png" width=" 450" height=" 380" border=" 0" vspace=" 0" / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: center box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 图 /span 4 span class=" Apple-converted-space" & nbsp /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 酒精浸泡前后 /span /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 口罩 /span 过滤 /span /strong /span strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 14px " 层内表面 /span /strong span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " 扫描电镜图片 /span /p p style=" text-align: center" img style=" max-width: 100% max-height: 100% width: 450px height: 379px " src=" https://img1.17img.cn/17img/images/202002/uepic/fbce611e-cfac-4ea4-be37-a2f34d82b486.jpg" title=" 修正8.png" alt=" 修正8.png" width=" 450" height=" 379" border=" 0" vspace=" 0" / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: center box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 图 /span 5 span class=" Apple-converted-space" & nbsp /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 酒精浸泡前后 /span /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 口罩 /span 舒适层外表 /span /strong /span strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 14px " 面 /span /strong span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " 扫描电镜图片 /span /p p style=" text-align: center" img style=" max-width: 100% max-height: 100% width: 450px height: 376px " src=" https://img1.17img.cn/17img/images/202002/uepic/5c416fc3-eaf3-44ea-b854-cdd182c32d20.jpg" title=" 修正9.png" alt=" 修正9.png" width=" 450" height=" 376" border=" 0" vspace=" 0" / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: center box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 图 /span 6 span class=" Apple-converted-space" & nbsp /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 酒精浸泡前后 /span /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 口罩 /span 舒 /span /strong /span strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 14px " 适层内表面 /span /strong span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " 扫描电镜图片 /span br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /p section data-style-id=" 25841" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section data-style-id=" 25649" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /section /section section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section data-style-id=" 25863" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 10px 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: center " section style=" margin: 0px padding: 3px 25px 5px max-width: 100% box-sizing: border-box word-wrap: break-word !important border-style: solid border-width: 2px border-color: rgb(95, 147, 233) display: inline-block " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(217, 33, 66) " 第一部分得出的结论 /span /p /section /section /section section data-style-id=" 25805" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 10px 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: center " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex justify-content: center align-items: center " section style=" margin: 0px padding: 0px 5px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 50px background-color: rgb(160, 187, 246) border-radius: 30px 30px 0px 0px transform: rotateZ(0deg) " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% color: rgb(255, 255, 255) box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-size: 22px box-sizing: border-box !important overflow-wrap: break-word !important " 01 /span /strong /span /p /section section style=" margin: 0px padding: 0px 15px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 " 熔喷无纺布层能起到很强的过滤作用 /span /strong /span /p /section /section section style=" margin: 0px padding: 5px 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important border-top: 2px solid rgb(160, 187, 246) border-bottom: 2px solid rgb(160, 187, 246) border-right-width: 2px border-left-width: 2px border-right-color: rgb(160, 187, 246) border-left-color: rgb(160, 187, 246) " section style=" margin: 0px padding: 15px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important background-color: rgb(160, 187, 246) " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 2em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-indent: 2em font-family: 宋体 font-size: 16px " 首先从原始参照组的扫描电镜图片中看, strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 口罩不同层中出现异物颗粒的概率顺序 /strong (对比所有扫描电镜图片的左侧图片): strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 口罩最外层的外表面 /strong (接触大气的那个面) strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 》 /strong strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 口罩最内层的内表面 /strong (接触口鼻的那个面)》 strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 中间层外表面 /strong ,其它三个表面均未找到明显的异物颗粒,对比不出来区别。异物颗粒出现概率最高的是口罩最外层的外表面,这应该是我们吸气时吸入的大气中的颗粒,口罩最内层的内表面上的异物颗粒应该来自于我们呼气时带出的颗粒或口腔内的异物,中间层外表面上的颗粒明显比口罩最外层的外表面上的异物颗粒少很多,说明大部分大颗粒被最外层的无纺布阻挡,只有一少部分穿透过来,中间层内表面和最内层外表面没有发现异物颗粒说明基本没有异物粒子通过中间熔喷无纺布层, /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(172, 57, 255) font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-indent: 2em " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " 从而证明了中间熔喷无纺布层的确能起到很强的过滤作用。 /span /strong /span /p /section /section /section /section section data-style-id=" 25805" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 10px 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: center " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex justify-content: center align-items: center " section style=" margin: 0px padding: 0px 5px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 50px background-color: rgb(160, 187, 246) border-radius: 30px 30px 0px 0px transform: rotateZ(0deg) " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% color: rgb(255, 255, 255) box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-size: 22px box-sizing: border-box !important overflow-wrap: break-word !important " 02 /span /strong /span /p /section section style=" margin: 0px padding: 0px 15px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 " 酒精浸泡没有破坏口罩结构完整性 /span /strong /span /p /section /section section style=" margin: 0px padding: 5px 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important border-top: 2px solid rgb(160, 187, 246) border-bottom: 2px solid rgb(160, 187, 246) border-right-width: 2px border-left-width: 2px border-right-color: rgb(160, 187, 246) border-left-color: rgb(160, 187, 246) " section style=" margin: 0px padding: 15px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important background-color: rgb(160, 187, 246) " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 2em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 16px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 其次从浸泡前后口罩 /span 6 span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 组扫描电镜图片来看,75%酒精浸泡15分钟后,口罩最外层、中间层、最内层三层材质的形貌结构没有任何明显差异,没有出现纤维断裂、卷曲、拉伸变形、膜孔隙变大等情况, /span /span strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(172, 57, 255) font-size: 16px " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " 说明75%酒精浸泡没有破坏口罩各层的结构完整性。 /span /span /strong /p /section /section /section /section section data-style-id=" 25805" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 10px 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: center " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex justify-content: center align-items: center " section style=" margin: 0px padding: 0px 5px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 50px background-color: rgb(160, 187, 246) border-radius: 30px 30px 0px 0px transform: rotateZ(0deg) " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% color: rgb(255, 255, 255) box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-size: 22px box-sizing: border-box !important overflow-wrap: break-word !important " 03 /span /strong /span /p /section section style=" margin: 0px padding: 0px 15px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 " 酒精浸泡没有明显破坏纤维的吸附能力 /span /strong /span /p /section /section section style=" margin: 0px padding: 5px 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important border-top: 2px solid rgb(160, 187, 246) border-bottom: 2px solid rgb(160, 187, 246) border-right-width: 2px border-left-width: 2px border-right-color: rgb(160, 187, 246) border-left-color: rgb(160, 187, 246) " section style=" margin: 0px padding: 15px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important background-color: rgb(160, 187, 246) " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 2em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px font-family: 宋体 font-size: 16px " 另外从75%酒精浸泡后6组扫描电镜图片来看,在酒精浸泡后口罩最外层的外表面、最外层的内表面、中间层内外表面、最内层内表面仍吸附有比较多的颗粒( span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 特别是小颗粒 /span ), /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(172, 57, 255) font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " 说明口罩经过75%酒精浸泡处理后仍具有较强的吸附能力。 /span /strong /span /p /section /section /section /section section data-style-id=" 25805" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 10px 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: center " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex justify-content: center align-items: center " section style=" margin: 0px padding: 0px 5px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 50px background-color: rgb(160, 187, 246) border-radius: 30px 30px 0px 0px transform: rotateZ(0deg) " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% color: rgb(255, 255, 255) box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-size: 22px box-sizing: border-box !important overflow-wrap: break-word !important " 04 /span /strong /span /p /section section style=" margin: 0px padding: 0px 15px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " 酒精的溶剂作用,携带病毒的飞沫颗粒变的更小、更容易扩散 /span /strong /span /p /section /section section style=" margin: 0px padding: 5px 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important border-top: 2px solid rgb(160, 187, 246) border-bottom: 2px solid rgb(160, 187, 246) border-right-width: 2px border-left-width: 2px border-right-color: rgb(160, 187, 246) border-left-color: rgb(160, 187, 246) " section style=" margin: 0px padding: 15px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important background-color: rgb(160, 187, 246) " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 2em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px font-family: 宋体 font-size: 16px " 最后通过酒精浸泡前后口罩的高倍扫描电镜对比图来看,口罩在用75%酒精浸泡后,在很多层的内外表面上出现了 /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify color: rgb(255, 76, 65) text-indent: 28px font-family: 宋体 font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: Calibri box-sizing: border-box !important overflow-wrap: break-word !important " 1um /span 左右的小颗粒 /strong /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px font-family: 宋体 font-size: 16px " (图片中红色方框标记的位置),这种小颗粒在参照组里面基本没有,这种小颗粒在最外层内表面出现的概率最高,其次是最外层外表面和中间层内表面, /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(172, 57, 255) font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " 说明原始的一部分几微米、几十微米的大颗粒(图片中红色圆圈内标记的位置)在乙醇的作用下发生了分解,由以前的大颗粒团聚体变成了一个一个的小颗粒,并且这些小颗粒随着液体乙醇的流动在口罩不同层之间扩散。 /span /strong strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " /span /strong strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px " /strong strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px " /strong strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px " /strong strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px " /strong strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " 在口罩自然晾干以后由于这些颗粒变得更小,我们在使用时这些颗粒更容易通过口罩的防护而进入我们的呼吸道 /span /strong /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify color: rgb(0, 0, 0) text-indent: 28px font-family: 宋体 font-size: 16px " , /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify color: rgb(0, 0, 0) text-indent: 28px font-family: 宋体 font-size: 16px " 如果我们的口罩想在75%的酒精消毒之后重复使用,必须保证用酒精处理足够长的时间确保所有的病毒都被杀死,否则携带病毒的小颗粒更容易突破口罩防护进入我们的身体。 /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: justify text-indent: 28px font-family: 宋体 font-size: 16px " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /span /p /section /section /section /section p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-indent: 28px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 备注说明: /strong 为了确保病毒完全灭活我们实验用的方法是酒精浸泡,我们大家常用的方法可能是酒精喷雾,酒精喷雾很难渗透到口罩内部,只能在一定程度上杀死口罩前后两个表面上的病毒。然而我们也注意到最后一个结论,乙醇消毒之后会导致携带病毒的粒子变小,且随着乙醇进行流动扩散,这个结论和急救中心专家的建议是一致的。 /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% color: rgb(0, 0, 0) font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 因此虽然 /span 75% span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 酒精消毒之后不会改变口罩的微观结构,不会明显改变口罩的吸附能力,但是由于酒精的溶剂作用,飞沫颗粒更易扩散病毒。 /span /span /strong strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% color: rgb(0, 0, 0) font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " 我们不建议 span style=" margin: 0px padding: 0px max-width: 100% letter-spacing: normal box-sizing: border-box !important overflow-wrap: break-word !important " 口罩在 /span /span /strong strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% color: rgb(0, 0, 0) font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: Calibri " 75% /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 酒精消毒之后再重复使用口罩。 /span /span /strong strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " 同时为上一篇文章中的不严谨之处进行抱歉。 /span /strong /span /p section data-style-id=" 25843" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section data-style-id=" 25843" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 10px 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-align: center " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex justify-content: center align-items: center " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em width: 2.5em transform: rotateZ(0deg) box-sizing: border-box !important overflow-wrap: break-word !important " br/ /p section style=" margin: 0px 0px 0px -30px padding: 3px 8px max-width: 100% box-sizing: border-box word-wrap: break-word !important background-color: rgb(232, 207, 255) display: inline-block border-radius: 18px " section style=" margin: 0px 10px 0px 30px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " & nbsp /strong span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(172, 57, 255) " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 高温消毒对口罩影响的实验设计 /strong /span /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /p /section /section /section /section /section /section p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 16px " 实验目的: /span /strong span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 16px " 讨论高温消毒后口罩的微观结构是否改变、口罩是否可以继续使用。 /span /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 实验手段: /strong 通过手机照片观察口罩的宏观变化、通过扫描电镜观察口罩微观变化。 /span /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 16px " /span strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-family: 宋体 font-size: 16px " 实验方法如下: /span /strong br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /p /section /section /section /section section data-style-id=" 25473" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 10px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 10px 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important box-shadow: rgb(137, 152, 153) 0px 0px 3px " section style=" margin: 25px 0px 0px -10px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex justify-content: center align-items: flex-start " section data-width=" 8%" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 51.5208px " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important border-radius: 10px border: 2px solid rgb(177, 177, 177) width: 20px height: 10px background-color: rgb(254, 254, 254) " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /section /section section data-width=" 94%" style=" margin: -12px 0px 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 605.479px text-align: left " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex align-items: center " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 26px " 01 /span /p /section section style=" margin: 0px 0px 0px 5px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 微软雅黑 font-size: 16px " 将佩戴大约3个小时左右的KN90的口罩不做任何处理,分别取其最外层(隔离层)内外表面、中间层(过滤层)内外表面、最内层(舒适层)内外表面共6组样本作为参照组。 /span /p /section /section /section /section /section section style=" margin: 25px 0px 0px -10px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex justify-content: center align-items: flex-start " section data-width=" 8%" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 51.5208px " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important border-radius: 10px border: 2px solid rgb(177, 177, 177) width: 20px height: 10px background-color: rgb(254, 254, 254) " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /section /section section data-width=" 94%" style=" margin: -12px 0px 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 605.479px text-align: left " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex align-items: center " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 26px " 02 /span /p /section section style=" margin: 0px 0px 0px 5px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 微软雅黑 font-size: 16px " 将该口罩剪下一块放入60℃的恒温烘箱干燥30分钟后,分别取其最外层(隔离层)内外表面、中间层(过滤层)内外表面、最内层(舒适层)内外表面共6组样本作为实验组1。 /span /p /section /section /section /section /section section style=" margin: 25px 0px 0px -10px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex justify-content: center align-items: flex-start " section data-width=" 8%" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 51.5208px " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important border-radius: 10px border: 2px solid rgb(177, 177, 177) width: 20px height: 10px background-color: rgb(254, 254, 254) " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /section /section section data-width=" 94%" style=" margin: -12px 0px 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important width: 605.479px text-align: left " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex align-items: center " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em letter-spacing: 2px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 26px " 03 /span /p /section section style=" margin: 0px 0px 0px 5px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 微软雅黑 font-size: 16px " 将该口罩剪下一块放入100℃的恒温烘箱干燥30分钟后,分别取其最外层(隔离层)内外表面、中间层(过滤层)内外表面、最内层(舒适层)内外表面共6组样本作为实验组2。 /span /p /section /section /section /section /section /section /section /section p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: center box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 实验得到的数据如下: /strong /p p style=" text-align: center" img style=" max-width: 100% max-height: 100% width: 500px height: 316px " src=" https://img1.17img.cn/17img/images/202002/uepic/dacbf6f0-d76a-4d8f-85b1-1be0c5a92e76.jpg" title=" 10.jpg" alt=" 10.jpg" width=" 500" height=" 316" border=" 0" vspace=" 0" / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: center box-sizing: border-box !important overflow-wrap: break-word !important " span style=" color: rgb(0, 0, 0) letter-spacing: 0.544px " 图7 /span span class=" Apple-converted-space" style=" color: rgb(0, 0, 0) letter-spacing: 0.544px " & nbsp /span span style=" color: rgb(0, 0, 0) letter-spacing: 0.544px margin: 0px padding: 0px max-width: 100% font-family: 微软雅黑 font-size: 14px box-sizing: border-box !important overflow-wrap: break-word !important " 口罩热处理后的宏观光学图片 /span /p /section /section /section section data-style-id=" 25805" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important display: flex justify-content: center align-items: center " section data-style-id=" 205" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 20px 0px 0px padding: 5px max-width: 100% box-sizing: border-box word-wrap: break-word !important box-shadow: rgb(198, 198, 199) 5px 5px 3px background-color: rgb(250, 250, 250) " section style=" margin: -15px 0px 0px 20px padding: 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important width: auto color: inherit " section style=" margin: 0px padding: 4px 10px max-width: 100% box-sizing: border-box word-wrap: break-word !important border-radius: 0.2em 1.1em color: rgb(255, 255, 255) display: inline-block box-shadow: rgb(165, 165, 165) 4px 4px 2px background-color: rgb(30, 155, 232) " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " strong data-num=" 1" data-form=" 0" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 1 /strong /span strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 、 /strong span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 微软雅黑 " 口罩在100℃下会发生性质的改变 /span /strong /span /section section style=" margin: 10px 0px 0px padding: 0px 5px 5px max-width: 100% box-sizing: border-box word-wrap: break-word !important color: inherit " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-indent: 2em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 微软雅黑 font-size: 16px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 从口罩在不同热处理条件下的光学图片可以看出,KN90口罩在烘箱中恒温 /span 60℃加热30分钟后口罩的外观没有任何明显的变化,字迹轮廓很清晰,和参照组完全一样;口罩在烘箱中恒温100℃加热30分钟后口罩的宏观外表面发生了明显的改变,口罩外表面上的字体变的模糊不清,字迹在100℃热处理后开始在口罩的外表面层扩散、渗透, /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(172, 57, 255) font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 微软雅黑 box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 说明口罩在 /span 100℃热处理下会发生宏观性质的改变。 /span /strong /span br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /p /section /section /section section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important width: 0px height: 0px clear: both " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /section /section /section section style=" margin: 0px padding: 0px 15px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " br/ /section /section /section /section p style=" text-align: center" img style=" max-width: 100% max-height: 100% width: 450px height: 379px " src=" https://img1.17img.cn/17img/images/202002/uepic/d8df1a5a-e575-423a-88dd-f3848f95b88a.jpg" title=" 修正11.png" alt=" 修正11.png" width=" 450" height=" 379" border=" 0" vspace=" 0" / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: center box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 font-size: 14px " span style=" margin: 0px padding: 0px max-width: 100% color: rgb(0, 0, 0) letter-spacing: normal font-family: 微软雅黑 box-sizing: border-box !important overflow-wrap: break-word !important " 图8 口罩60℃高温处理后 /span span style=" margin: 0px padding: 0px max-width: 100% color: rgb(255, 76, 65) letter-spacing: normal font-family: 微软雅黑 box-sizing: border-box !important overflow-wrap: break-word !important " 最外层,最内层,中间层外表面 /span span style=" margin: 0px padding: 0px max-width: 100% color: rgb(0, 0, 0) letter-spacing: normal font-family: 微软雅黑 box-sizing: border-box !important overflow-wrap: break-word !important " 的扫描电镜图片 /span /span /p section data-style-id=" 205" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 20px 0px 0px padding: 5px max-width: 100% box-sizing: border-box word-wrap: break-word !important box-shadow: rgb(198, 198, 199) 5px 5px 3px background-color: rgb(250, 250, 250) " section style=" margin: -15px 0px 0px 20px padding: 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important width: auto color: inherit " section style=" margin: 0px padding: 4px 10px max-width: 100% box-sizing: border-box word-wrap: break-word !important border-radius: 0.2em 1.1em color: rgb(255, 255, 255) display: inline-block box-shadow: rgb(165, 165, 165) 4px 4px 2px background-color: rgb(30, 155, 232) " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " strong data-num=" 6" data-form=" 0" data-digit=" 1" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 2 /strong /span strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 、 span style=" margin: 0px padding: 0px max-width: 100% font-variant-numeric: normal box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 微软雅黑 " 60℃不会引起口罩微观结构的改变 /span /strong /span /strong /section section style=" margin: 10px 0px 0px padding: 0px 5px 5px max-width: 100% box-sizing: border-box word-wrap: break-word !important color: inherit " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em color: inherit text-indent: 2em box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 微软雅黑 font-size: 16px box-sizing: border-box !important overflow-wrap: break-word !important " 从口罩在60℃加热半个小时后的扫描图片可以看出,口罩在烘箱中恒温60℃加热30分钟后口罩的微观形貌基本没有变化,纤维表面光滑,没有出现纤维的断裂、粘连等情况, /span span style=" margin: 0px padding: 0px max-width: 100% color: rgb(172, 57, 255) font-family: 微软雅黑 font-size: 16px font-weight: 700 box-sizing: border-box !important overflow-wrap: break-word !important " 说明60℃的温度不会引起口罩微观结构的改变。 /span /p /section /section /section section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important width: 0px height: 0px clear: both " br style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " / /section /section /section p style=" text-align: center" img style=" max-width: 100% max-height: 100% width: 450px height: 375px " src=" https://img1.17img.cn/17img/images/202002/uepic/7afae35d-9bdc-463e-acf0-a93db8a50c6a.jpg" title=" 修正12.png" alt=" 修正12.png" width=" 450" height=" 375" border=" 0" vspace=" 0" / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: center letter-spacing: normal box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% color: rgb(0, 0, 0) font-family: 微软雅黑 font-size: 14px box-sizing: border-box !important overflow-wrap: break-word !important " 图9 口罩100℃高温处理后 /span span style=" margin: 0px padding: 0px max-width: 100% color: rgb(255, 76, 65) font-family: 微软雅黑 font-size: 14px box-sizing: border-box !important overflow-wrap: break-word !important " 最外层和最内层外表面 /span span style=" margin: 0px padding: 0px max-width: 100% color: rgb(0, 0, 0) font-family: 微软雅黑 font-size: 14px box-sizing: border-box !important overflow-wrap: break-word !important " 的扫描电镜图片 /span /p p style=" text-align: center" img style=" max-width: 100% max-height: 100% width: 450px height: 376px " src=" https://img1.17img.cn/17img/images/202002/uepic/7e670a62-bbbb-4126-965e-8d06c57cc305.jpg" title=" 修正13.png" alt=" 修正13.png" width=" 450" height=" 376" border=" 0" vspace=" 0" / /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: center letter-spacing: normal box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% color: rgb(0, 0, 0) font-family: 微软雅黑 font-size: 14px box-sizing: border-box !important overflow-wrap: break-word !important " 图10 口罩100℃高温处理后 /span span style=" margin: 0px padding: 0px max-width: 100% color: rgb(255, 76, 65) font-family: 微软雅黑 font-size: 14px box-sizing: border-box !important overflow-wrap: break-word !important " 中间层内外表面 /span span style=" margin: 0px padding: 0px max-width: 100% color: rgb(0, 0, 0) font-family: 微软雅黑 font-size: 14px box-sizing: border-box !important overflow-wrap: break-word !important " 的扫描电镜图片 /span /p section data-style-id=" 205" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 20px 0px 0px padding: 5px max-width: 100% box-sizing: border-box word-wrap: break-word !important box-shadow: rgb(198, 198, 199) 5px 5px 3px background-color: rgb(250, 250, 250) " section style=" margin: -15px 0px 0px 20px padding: 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important width: auto color: inherit " section style=" margin: 0px padding: 4px 10px max-width: 100% box-sizing: border-box word-wrap: break-word !important border-radius: 0.2em 1.1em color: rgb(255, 255, 255) display: inline-block box-shadow: rgb(165, 165, 165) 4px 4px 2px background-color: rgb(30, 155, 232) " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " strong data-num=" 4" data-form=" 0" data-digit=" 1" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 3 /strong /span strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " 、 /strong span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" margin: 0px padding: 0px max-width: 100% text-indent: 28px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 微软雅黑 " 100℃会引起口罩微观和宏观结构的改变 /span /strong /span /section section style=" margin: 10px 0px 0px padding: 0px 5px 5px max-width: 100% box-sizing: border-box word-wrap: break-word !important color: inherit " p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-indent: 28px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 微软雅黑 font-size: 16px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 从口罩在 /span 100℃加热处理后的扫描图片可以看出,口罩在烘箱中恒温100℃加热30分钟后口罩的 /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(172, 57, 255) font-family: 微软雅黑 font-size: 16px " 中间层内外表面处均能比较高概率的发现纤维粘结、粘连、断裂现象 /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 微软雅黑 font-size: 16px " (见下面图片中红色方框中的位置),而在最外层和最内层处没有发现明显的纤维之间的粘连、断裂情况,可能是由于最外层和最内层处的纤维比较粗,虽然发生了一定程度的形变或变化,但是在微观层次上看不到明显的区别,而在宏观层次上能表现出明显的变化, /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(172, 57, 255) font-size: 16px " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 微软雅黑 box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 说明 /span 100℃的温度处理会引起口罩微观和宏观结构的改变。 /span /strong /span /p /section /section /section /section /section section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important text-indent: 2em " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 16px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-family: 宋体 " 结合以上结论,我们得出: /span /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 16px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " 口罩可 /span /strong /span /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 16px " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 以在一定的温度(比如60度)下处理 /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 一定时间(比如30min)后使用 /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " ,但是 /span /span /strong strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " 100度沸水煮应该是不行的。 /span /strong /span /span /section section data-style-id=" 21922" data-support=" 96编辑器" style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " section style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important border-style: solid border-color: rgb(136, 136, 136) border-width: 2px " & lt section data-width=& quot 100%& quot style=& quot margin: 0px padding: 5px max-width: 100% box-sizing: border-box word-wrap: break-word !important width: 673px vertical-align: top background-image: url(& quot wx_fmt=& quot png& quot ) & quot background-position:=& quot & quot background-repeat:=& quot & quot background-size:=& quot & quot background-attachment:=& quot & quot & gt section style=" margin: 0px padding: 15px max-width: 100% box-sizing: border-box word-wrap: break-word !important border-style: dashed border-color: rgb(136, 136, 136) border-width: 2px text-align: center " strong style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important " —— —— span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important font-size: 20px " 最终结论 /span —— —— /strong section style=" margin: 9px 0px 0px padding: 0px max-width: 100% box-sizing: border-box word-wrap: break-word !important text-align: left " section style=" margin: 0px padding: 0px 1px max-width: 100% box-sizing: border-box word-wrap: break-word !important font-size: 15px text-align: justify line-height: 2 letter-spacing: 1px " section style=" margin: 0px padding: 4px 1em max-width: 100% box-sizing: border-box word-wrap: break-word !important color: rgb(75, 142, 226) font-size: 14px border-bottom: 1px dashed rgb(229, 229, 229) " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-size: 16px " ● /span strong style=" color: rgb(255, 76, 65) font-size: 16px margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " 口罩的物理化学稳定性是保持其防护作用的基本条件,任何消毒手段在一定范围内均有可能导致口罩变性,强烈建议口罩不要重复利用。但适当条件下,特殊情况下,可以重复使用。 /span /strong /section section style=" margin: 0px padding: 4px 1em max-width: 100% box-sizing: border-box word-wrap: break-word !important color: rgb(75, 142, 226) font-size: 14px border-bottom: 1px dashed rgb(229, 229, 229) " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-size: 16px " ● /span strong style=" color: rgb(255, 76, 65) font-size: 16px margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 我们不建议对口罩进行 /span 75% span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 的酒精消毒之后再次使用。 /span /span /strong /section section style=" margin: 0px padding: 4px 1em max-width: 100% box-sizing: border-box word-wrap: break-word !important color: rgb(75, 142, 226) font-size: 14px border-bottom: 1px dashed rgb(229, 229, 229) " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-size: 16px " ● /span strong style=" color: rgb(255, 76, 65) font-size: 16px margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 我们建议 /span 60-80 span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 度高温处理口罩 /span span style=" margin: 0px padding: 0px max-width: 100% font-family: Calibri box-sizing: border-box !important overflow-wrap: break-word !important " 30 /span span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 分钟,可以再次重复利用。 /span /span /strong /section section style=" margin: 0px padding: 4px 1em max-width: 100% box-sizing: border-box word-wrap: break-word !important color: rgb(75, 142, 226) font-size: 14px border-bottom: 1px dashed rgb(229, 229, 229) " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-size: 16px " ● /span strong style=" color: rgb(255, 76, 65) font-size: 16px margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 box-sizing: border-box !important overflow-wrap: break-word !important " 我们可以提供网上的可靠建议:如果口罩并非使用在危险环境下,且使用时间很短(比如出门倒个垃圾,收个快递),保存清洁和完整,可以将口罩放在干燥通风处,干净的地方静置一周,然后再次重复使用,当然不能多次重复使用。 /span /strong /section section style=" margin: 0px padding: 4px 1em max-width: 100% box-sizing: border-box word-wrap: break-word !important color: rgb(75, 142, 226) font-size: 14px border-bottom: 1px dashed rgb(229, 229, 229) " span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(255, 76, 65) font-size: 16px " ● /span strong style=" color: rgb(172, 57, 255) font-size: 16px margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 最后口罩的主要作用不是防止被别人传染,而是防止传染给别人, /strong strong style=" color: rgb(172, 57, 255) font-size: 16px margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 战胜疫情从我做起,出门带上口罩是保护自己,更是保护 /strong strong style=" color: rgb(172, 57, 255) font-size: 16px margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " 他人,带上口罩杜绝病毒传播,把病毒扼杀在摇篮里,打赢这场战争! /strong /section /section /section /section /section /section p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 28px box-sizing: border-box !important overflow-wrap: break-word !important " strong style=" letter-spacing: 0.544px margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 宋体 font-size: 14px box-sizing: border-box !important overflow-wrap: break-word !important " 以上所有结论均基于部分材料,部分实验设计得出结果,不同材料或者由于实验设计未涉及到部分或许有偏差。 /span /strong span style=" margin: 0px padding: 0px max-width: 100% box-sizing: border-box !important word-wrap: break-word !important color: rgb(136, 136, 136) " /span /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 24px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% background-image: initial background-position: initial background-size: initial background-repeat: initial background-attachment: initial background-origin: initial background-clip: initial color: rgb(26, 26, 26) letter-spacing: 0px font-family: 微软雅黑 font-size: 12px box-sizing: border-box !important overflow-wrap: break-word !important " 参考资料: /span /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 24px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 微软雅黑 color: rgb(26, 26, 26) letter-spacing: 0px font-size: 12px background-image: initial background-position: initial background-size: initial background-repeat: initial background-attachment: initial background-origin: initial background-clip: initial box-sizing: border-box !important overflow-wrap: break-word !important " 1 流感:真相、传播、疫苗、感冒药、口罩、空气和我们(已为“武汉肺炎”更新) - 知乎 /span /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 24px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 微软雅黑 color: rgb(26, 26, 26) letter-spacing: 0px font-size: 12px background-image: initial background-position: initial background-size: initial background-repeat: initial background-attachment: initial background-origin: initial background-clip: initial box-sizing: border-box !important overflow-wrap: break-word !important " 2 陈钢进 熔喷聚丙烯驻极体过滤材料对医用消毒剂的耐受性研究 /span /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 24px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 微软雅黑 color: rgb(26, 26, 26) letter-spacing: 0px font-size: 12px background-image: initial background-position: initial background-size: initial background-repeat: initial background-attachment: initial background-origin: initial background-clip: initial box-sizing: border-box !important overflow-wrap: break-word !important " 3 《新型冠状病毒感染的肺炎诊疗方案(试行第四版)》 /span /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 24px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 微软雅黑 color: rgb(26, 26, 26) letter-spacing: 0px font-size: 12px background-image: initial background-position: initial background-size: initial background-repeat: initial background-attachment: initial background-origin: initial background-clip: initial box-sizing: border-box !important overflow-wrap: break-word !important " 4 Recommended Guidance for Extended Use and Limited Reuse of N95 Filtering Facepiece Respirators in Healthcare Settings.美国CDC. /span /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 24px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 微软雅黑 color: rgb(26, 26, 26) letter-spacing: 0px font-size: 12px background-image: initial background-position: initial background-size: initial background-repeat: initial background-attachment: initial background-origin: initial background-clip: initial box-sizing: border-box !important overflow-wrap: break-word !important " 5 Xiao, H., Song, Y., and Chen, G. (2014). Correlation Between Charge Decay and Solvent Effect for Melt-Blown Polypropylene Electret Filter Fabrics. J. Electrost., 72:311–314. /span /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: left text-indent: 24px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 微软雅黑 color: rgb(26, 26, 26) letter-spacing: 0px font-size: 12px background-image: initial background-position: initial background-size: initial background-repeat: initial background-attachment: initial background-origin: initial background-clip: initial box-sizing: border-box !important overflow-wrap: break-word !important " br/ /span /p p style=" margin-top: 0px margin-bottom: 0px padding: 0px max-width: 100% clear: both min-height: 1em text-align: right text-indent: 24px box-sizing: border-box !important overflow-wrap: break-word !important " span style=" margin: 0px padding: 0px max-width: 100% font-family: 微软雅黑 color: rgb(26, 26, 26) letter-spacing: 0px background-image: initial background-position: initial background-size: initial background-repeat: initial background-attachment: initial background-origin: initial background-clip: initial font-size: 16px box-sizing: border-box !important overflow-wrap: break-word !important " 【中科百测供稿】 /span /p /div