地恩梯

该分析方法使用到了氮吹仪。 摘要: [目的] 探讨固相萃取柱富集,气相色谱法定量测定水中六六六、滴滴涕的方法。[方法] 水中六六六、滴滴涕用ENVI2FLORISIL 固相萃取柱富集,9∶1 (V/ V) 正己烷2丙酮和正己烷洗脱,氮吹仪浓缩,正己烷定容。DB1701 毛细管柱分离,电子捕获检测器检测,以保留时间定性,峰面积定量。[结果] 最低检测浓度为01018～0116μg/ L ,8 种单体的回收率为88 %～108 % ,相对标准偏差为114 %～516 %。[结论] 该方法具有安全、快速、灵敏可靠的特点,能满足生活饮用水的检测要求。

Energy digestibility in dog and cat food can be predicted by the linear regression of the fiber content on a dry matter (DM) basis. Fiber is the independent variable and in vivo measured energy digestibility the dependent variable. This has been demonstrated for crude fiber (CF) in both species and in dogs for total fiber as analyzed by the Englyst and Cummings method (1,2). To date, however, few observations have been published measuring both total dietary fiber (TDF, according to the method of Prosky et al. [3]) and energy digestibility in dogs and cats. From the existing data points, it is thus not possible to 1) calculate a regression equation as for crude fiber or total fiber that is likely to predict digestibility more accurately in pet foods and 2) compare the accuracy of prediction of energy digestibility by CF and TDF methods.

水是人类和其他生物生存所不可或缺的资源。水体污染危及地球上大多数生物和人类自身的生存。当前，我国一些地区水环境质量差、水生态受损重、环境隐患多等问题十分突出，影响并危及人类健康，不利于经济社会持续发展。2015 年 4 月，国务院正式发布《水污染防治行动计划》（简称“水十条”），为当前和今后一个时期我国水污染防治指明了方向和奋斗目标。重点保护好饮水水源地、生态良好湖泊等高功能水体，消灭国控断面劣 V 类等污染严重水体。针对水体中痕量挥发性有机物 VOC 监测，安捷伦科技为您提供全面的自动进样装置和捕集产品，使您能够针对应用选择最有效的进样方法：无论您需要的是简单高效的静态顶空进样，还是灵敏的吹扫捕集进样，或者是便捷的固相微萃取 (SPME)进样。同时，安捷伦科技的气质联用系统以其稳定的分析性能以及低至 ppb 和 ppt 级别的高灵敏度，为低浓度下半挥发性有机物 SVOC 的准确定量提供了可靠的保证。

Thermo ScientificTM DionexTM ChromeleonTM 7.2 色谱数据系统（CDS）软件具有全新的智能运行控制（IRC）功能，可帮助您完全控制运行序列。该功能为标准功能，不需要额外许可。

Thermo ScientificTM DionexTM ChromeleonTM 7 色谱数据系统（CDS）软件提供必要的报告选项，以满足客户的需要。可使用提供的模板直接创建报告，也可以根据自身需要在电子表格中自定义报告。Chromeleon 7 CDS 可让您简便快捷地获取样品结果，从而全面提高实验室的工作效率。

Thermo ScientificTM DionexTM ChromeleonTM 7 色谱数据系统 (CDS) 软件采用CobraTM 峰检测算法、SmartPeaksTM 积分助手和动态交互数据处理，可节省您的宝贵时间。Cobra 检测算法可准确地检测峰起始和终止的时间，并正确地确定峰基线，无需输入一系列检测参数。独一无二的SmartPeaks 积分助手帮助用户快速、直观地确定基线。Chromeleon 7 CDS 帮助用户快速完成从样品到结果的过程，从而全面提高实验室的工作效率。

处理数据时，分析员往往面临显示过多或不足的数据，无法有效地分析样品。这导致在打开和关闭数据文件、元数据以及相关报告时耗时过长。将屏幕上的窗格与色谱图和/ 或所选的进样链接，Thermo ScientificTM DionexTM ChromeleonTM 7.2 色谱数据系统（CDS）软件向分析员提供处理数据所需的所有相关信息，从而使数据分析更快速、更简便。

人抗可提取核抗原抗体(ENA-Ab)检测试剂盒人抗可提取核抗原抗体(ENA-Ab)检测试剂盒使用说明书本试剂盒仅供研究使用。检测范围： 规格：96T/48T使用目的：本试剂盒用于测定人血清,血浆及相关液体样本中人抗可提取核抗原抗体(ENA-Ab)含量。实 验 原 理 本试剂盒应用双抗体夹心酶标免疫分析法测定标本中人抗可提取核抗原抗体(ENA-Ab)水平。用纯化的抗体包被微孔板，制成固相抗体，往包被单抗的微孔中依次加入人抗可提取核抗原抗体(ENA-Ab)抗原、生物素化的人抗可提取核抗原抗体(ENA-Ab)抗体、HRP标记的亲和素，经过彻底洗涤后用底物TMB显色。TMB在过氧化物酶的催化下转化成蓝色，并在酸的作用下转化成最终的黄色。颜色的深浅和样品中的人抗可提取核抗原抗体(ENA-Ab)呈正相关。 使用酶标仪在450nm波长下测定吸光度（OD值），计算样品浓度

Thermo Scientific™ Dionex™ Chromeleon™ 7.2色谱数据系统（CDS）是第一款CDS支持所有主要前端的质谱（MS）仪器控制和数据处理企业（客户/服务器）环境中的分离技术（GC，IC，LC）。 Chromeleon 7.2 CDS通过Thermo Scientific ISQ™ 单四极杆GC-MS的本地驱动程序提供完全控制系统和Thermo Scientific™ TSQ™ 8000三重串联四极杆GC-MS / MS系统，包括调谐和仪器校准。

Abstract—The palladium-catalyzed arylation of rac-(E)-3-acetoxy-1,3-diphenylprop-1-ene with arylboronic acids was studied under controlled microwave irradiation conditions. Avariety of different catalysts, bases, and solvents were explored in order to achieve optimum yields in the shortest possible reaction times. The best isolated yields were obtained using Pd2(dba)3$CHCl3/PPh3 as the catalytic system, potassium phosphate monohydrate as the base, and toluene/H2O as a solvent system. Microwave irradiation using 5 mol% of the palladium catalyst for 90 s (max. temp 170 C) generally afforded the cross-coupling products in good to excellent yields.

Thermo ScientificTM DionexTM ChromeleonTM 7 色谱数据系统（CDS）软件简化用户的分析过程，采用创新的eWorkflowTM 功能，只需点击几下鼠标，即可简化您的分析过程，且丝毫不失灵活性。Chromeleon 7 CDS帮助用户快速轻松完成从样品到结果的过程，从而全面提高实验室的工作效率。

New and practical acid-promoted domino bicyclization between 2,2-dihydroxyindene-1,3-dione and cyclic enaminones has been established for the formation of tetracyclic isochromeno[4,3-b]indoles under microwave heating. The present method simultaneously installs CeN, CeO, and CeC bonds, allowing direct assemble of functionalized isochromeno[4,3-b]indole skeleton with a wide diversity in substituents. The reaction features reliable scalability, flexibility of structural modification, and wide substratescope as well as operational simplicity, and it can avoid time-consuming and costly syntheses, tedious work-up, and isolation of intermediate.

人抗可提取核抗原抗体(ENA-Ab)ELISA试剂盒试验原理：本试剂盒是固相夹心法酶联免疫吸附实验（ELISA）.已知待测物质浓度的标准品、未知浓度的样品加入微孔酶标板内进行检测。先将待测物质和生物素标记的抗体同时温育。洗涤后，加入亲和素标记过的HRP。再经过温育和洗涤，去除未结合的酶结合物，然后加入底物A、B，和酶结合物同时作用。产生颜色。颜色的深浅和样品中指标的浓度呈比例关系。

Paddy soils in many regions of China have been seriously polluted by multiple heavy metals or metalloids,such as arsenic (As), cadmium (Cd) and lead (Pb). In order to ensure the safety of food and take fulladvantage of the limited farmland resources of China, exploring an effective technology to repaircontaminated soils is urgent and necessary.

"应用日本京都电子公司(KEM)[AT-510]自动电位滴定仪酸碱滴定测试水解蛋白中的甲醛氮_En 的应用资料实例En 。适用标准 "

To achieve the lowest detection limits, dilution is undesirable. The results show the HORIBA Scientific spectrometers are able to perform an excellent analysis, even with high dissolved solids. This enables the analysis to be performed to the best detection limits possible.

To achieve the lowest detection limits, dilution is undesirable. The results show the HORIBA Scientific spectrometers are able to perform an excellent analysis, even with high dissolved solids. This enables the analysis to be performed to the best detection limits possible.

应用日本京都电子公司(KEM) AT-510自动电位滴定仪测定生物柴油的酸值En 的应用资料实例。

实验采用 Thermo Scientific iCE3500 石墨炉原子吸收进行了保健品中镍、钒、钼、铬元素含量的测定，数据表明，Thermo Scientific iCE3500 石墨炉原子吸收可以对此四个原子化温度在 2500 ℃ 以上的高温元素进行测定，该方法分析定量下限低，满足检测含量低的高温元素要求，适用于保健品中镍、钒、钼、铬元素的快速测定。

实验采用 Thermo Scientific iCE3500 石墨炉原子吸收进行了保健品中镍、钒、钼、铬元素含量的测定，数据表明，Thermo Scientific iCE3500 石墨炉原子吸收可以对此四个原子化温度在 2500 ℃ 以上的高温元素进行测定，该方法分析定量下限低，满足检测含量低的高温元素要求，适用于保健品中镍、钒、钼、铬元素的快速测定。

The results presented here show that the accuracy, repeatability and reproducibility are very good for the routine analysis of stainless steel. No particular difficulties were encountered in the analysis of the samples.

To achieve the lowest detection limits, dilution is undesirable. The results show the HORIBA Scientific spectrometers are able to perform an excellent analysis, even with high dissolved solids. This enables the analysis to be performed to the best detection limits possible.

To achieve the lowest detection limits, dilution is undesirable. The results show the HORIBA Scientific spectrometers are able to perform an excellent analysis, even with high dissolved solids. This enables the analysis to be performed to the best detection limits possible.

To achieve the lowest detection limits, dilution is undesirable. The results show the HORIBA Scientific spectrometers are able to perform an excellent analysis, even with high dissolved solids. This enables the analysis to be performed to the best detection limits possible.

To achieve the lowest detection limits, dilution is undesirable. The results show the HORIBA Scientific spectrometers are able to perform an excellent analysis, even with high dissolved solids. This enables the analysis to be performed to the best detection limits possible.

To achieve the lowest detection limits, dilution is undesirable. The results show the HORIBA Scientific spectrometers are able to perform an excellent analysis, even with high dissolved solids. This enables the analysis to be performed to the best detection limits possible.

To achieve the lowest detection limits, dilution is undesirable. The results show the HORIBA Scientific spectrometers are able to perform an excellent analysis, even with high dissolved solids. This enables the analysis to be performed to the best detection limits possible.

To achieve the lowest detection limits, dilution is undesirable. The results show the HORIBA Scientific spectrometers are able to perform an excellent analysis, even with high dissolved solids. This enables the analysis to be performed to the best detection limits possible.

The European regulation UNI EN 14385:2004 is the reference norm for the Heavy Metals gravimetric sampling from the stack emissions:As, Cd, Cr, Co, Cu, Mn, Ni, Pb, Sb, TI and V

目标：按照 EN14078 方法测定柴油中 1% 至 6% (v/v) 的生物柴油浓度。样品：制备两种储备液，分别是生物柴油浓度为 20% (v/v) 和 4% (v/v) 的标准美国汽车柴油。将这些溶液进行稀释，得到生物柴油浓度为 0.8、1.2、3、4、6、8 和 10% (v/v) 的柴油溶液。本实验证实了使用配有 Tumbler 透射池的 Agilent 5500t FTIR 光谱仪按照欧洲标准 EN14078 方法能够对柴油中的生物柴油含量进行定量分析。配有 100 μ m 液体池的系统实现了目标浓度范围内（1.0 至 6.0% (v/v)）的理想吸收度。MicroLab 软件经过简单的配置即可用于计算柴油中生物柴油的体积百分比，并以一种易于理解的格式呈现数据。