光度测定

Based on the colour reaction of copper with sulfocyanate and crystal violet, a new spectrphotometric method for determination of copper in the presence of β-cyclodextrin and arabic gum is proposed. The factors such as acidity, reagent dosage, influence of surfactant and coexisting ions on the reaction were discussed and the optimal conditions were investigated.

研究了在β-环糊精和阿拉伯树胶存在下，在硫酸介质中，硫氰酸盐－结晶紫与铜的显色反应，建立了光度法测定铜的新方法；讨论了酸度、显色剂用量、表面活性剂和共存离子的影响，确定了最佳实验条件。

Determination of hydrogen chloride in air by ion chromatography was developed, the collection of sample and conditions of determination were investigated.

用离子色谱法测定环境空气样品中的氯化氢，建立了该空气样品的氯化氢采集和离子色谱分析的条件，并将该分析方法与常用的硫氰酸汞分光光度法相比，具有操作简便、快速、灵敏度高的特点。

A novel and simple spectrophotometric method for determination of hydroquinone with 1,2-naphthoquinone-4-sulfonate reagent was developed.

建立了用1，2-萘醌－4-磺酸钠分光光度法测定对苯二酚的新方法。

Based on the absorption property of glyoxime which can be formed by addition reaction of aldehyde group and hydroxylamine in the UV-spectral region,spectrophotometric determination of glyoxal in glyoxal solution was proposed.

利用醛基与羟胺在酸性条件下的成肟反应产物乙二醛二肟对紫外光的吸收特性，用紫外分光光度法测定乙二醛的含量。

Contents of TNF α and HYP in blood of 28 patients with APT and 17 normal subjects were determined with enzyme linked immunosorbent assay and ultraviolet spectrophotometer respectively.

方法用ELISA法和紫外分光光度法分别测定了28例进展期肺结核患者和17名正常人的血浆TNF－α和血清HYP含量。

This paper introduces a green light illuminant suitable for determining the speed o...

本文介绍一组绿色可见光，可适用于测定感绿医用X线胶片的感光度。

Methods: Based on the colorreaction of indophenol reagent and ammonia in meat with the presence of sodium nitroprusside in basic medium, react time, maximum absorption wavelength, react temperature and work curve were investigated; The precision and accuracy of analytical method were researched.

研究了靛酚蓝光度法测定的样品中氨的反应时间、反应温度、最大吸收波长，对试验条件进行了优化；对分析方法的精密度、准确度进行了研究。

Methods The cell growth inhibiting rate, LDLR activity in acute leukemia patients and the influence of HMG-CoA reduct ase inhibiter atorvastatin on leukemic cell proliferation were detected by MTT method. HMG-CoA reductase activities of leukemic cells were analysed by ultraviolet spectrophotometry.

用四氮甲唑蓝比色法检测AL患者的细胞生长抑制率、LDLR活性、HMG-CoA还原酶抑制剂阿托伐他汀对白血病细胞增殖作用的影响；紫外分光光度法测定白血病细胞HMG-CoA还原酶活性。

Based on the color reaction of iodate with p-phenylenediamine in dil.HCl medium,a FI-photometric method for determination of iodate in table salt was proposed.

基于在酸性介质中，碘酸根与对苯二胺发生显色反应，提出了流动注射-分光光度法测定碘酸盐态碘含量的方法。

The results show that the best buffer pH value is 4, the best temperature of water bath 100℃ and the isatin dosage 1.3 mL.

结果表明：利用靛蓝胭脂红褪色分光光度法测定葡萄糖氧化酶活力时，缓冲液最佳pH值为4、最佳水浴温度为100℃、靛蓝胭脂红最佳用量为1.3 mL。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。