资料摘要
资料下载In this study adsorption of Cd onto TiO2 nanoparticles and natural sediment particles (SP) were studied and the facilitated transports of Cd into carp by TiO2 nanoparticles and SP were assessed by bioaccumulation tests exposing carp (Cyprinus carpio) to Cd contaminated water in the presence of TiO2 and SP respectively. The results show that TiO2 nanoparticles had a significantly stronger adsorption capacity for Cd than SP. The presence of SP did not have significant influence on the accumulation of Cd in carp during the 25 d of exposure. However, the presence of TiO2 nanoparticles greatly enhanced the accumulation of Cd in carp. After 25 d of exposure Cd concentration in carp increased by 146%, and the value was 22.3 and 9.07 lg/g, respectively. And there is a positive correlation between Cd and TiO2 concentration. Considerable Cd and TiO2 accumulated in viscera and gills of the fish.
微波合成仪
简介:屹尧科技NOVA-2S单模微波合成仪: 基于矢量建模的单模腔体和微波馈入技术,可使微波以单一的形态聚集在样品区域,极大提高微波密度和均匀性,提升微波反应的可靠性和重现性。智能的图形界面设计,多样化的实验条件供您选择,最大程度上满足您的反应需求,实时记录和存储反应数据,并可根据需要导出使用。 应用领域:生物/环境/轻工/药物/有机物和聚合物/陶瓷和无机物类
氮吹仪
简介:屹尧科技N1全自动氮吹浓缩仪可以对大批量(最多50个)样品进行快速浓缩。专利的气体分配技术、独特的排风设计和涡旋氮吹,既保证了浓缩的均匀性又加快了蒸发速度。N1体积小巧、操作便捷,具备提醒功能等安全防护。可用于农药残留、兽药残留、食品添加剂、药物和司法检测等分析领域。
微波消解仪常见问题1
简介:微波消解的优势是什么? 微波消解仪的控温方式有哪些? 微波消解仪采用的测压方式有哪些? 什么是微波消解法? 微波消解仪主要应用有哪些? 。。。。
微波消解仪器指南
简介:详细阐述微波消解仪器结构,原理。 请访问下列网页: http://www.instrument.com.cn/bbs/shtml/20080603/1288345/
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