分光光度测定

Time and temperature of display colour has been studied on meterage absorbency.

采用分光光度法在540nm处进行烟草中的多酚总量测定实验。

While erthrocyte, hemoglobin and Hela cell were under oxidative damage induced by the hydrogen peroxide (H2O2) or tert-butyl hydroperoxide on different concentrations of dihydromyricetin, hemolysis rate of erythrocyte and methemoglobin converted from hemoglobin was estimated by ultraviolet-visible absorption spectroscopy. Whereas mmalondialdehyde from erythrocyte was measured by thiobarbituric acid colorimetry, the cellular viability of Hela cell was examined using MTT 3-(4, 5-dimethylthiazol-2-yl-2, 5-diphenyl tetrazolium bromide assay.

在不同的二氢杨梅素浓度下，用过氧化氢或过氧化特丁烷对红细胞、血红蛋白和Hela细胞进行氧化伤害，以紫外－可见光分光光度法检测红细胞溶血率和由正常血红蛋白生成的高铁血红蛋白，硫代巴比妥酸法测定红细胞中的丙二醛，MTT法检测Hela细胞的活力。

The incubation system of chicken hepatic microsome was successfully established. The activity of cytochrome P450 was determined by ultraviolet spectrophotometry.

在建立鸡肝微粒体体外孵育体系的基础上，采用紫外分光光度法测定细胞色素P450酶系的活性。

Methods: Liver microsome was preparated from normal rat and human liver, which was to he treated with a series of concentrations of CsA or coadministration with Flu or MP. The activities of CYP3A in the microsomes were detected by using erythromycin as substrate.

製备大鼠和人肝微粒体，用不同浓度的CsA作用、加或不加MP、Flu，以红霉素为底物，经过NADPH系统孵育后，利用分光光度法测定人和大鼠肝微粒体的红霉素N-脱甲基酶活性。

It uses ammonium molybdate spectrophotometric method determination of element phosphorus in waste water.

利用钼酸铵分光光度法测定了水样中的元素磷，发现该方法的灵敏度、准确度和稳定性都可以满足分析的要求，并且用元素磷标准样品进行了对比实验，分析误差在10%以内。

The content of aluminum in water was determined by the flow injection spectrophotometry using morin as chromogenic reagent.

以桑色素作显色剂，采用流动注射分光光度法测定水中铝的含量。

A new spectrophotometric method for the determination of chromium has been developed. In HCl medium, the chromium oxidizes hydroxylammonium chloride to form nitrite, which produces a pink azo dye when reacting with p-aminobenzene sulfonic acid and α-naphthylamine.

基于铬在稀盐酸介质中氧化盐酸羟胺产生亚硝酸根，而亚硝酸根与对氨基苯磺酸重氮化后可与α-萘胺偶联产生粉红色偶氮染料，提出了分光光度法测定铬的新方法。

In HCl medium, iodate oxidizes hydroxylammonium chloride to form nitrite, which can produce a red azo dye with the reaction of p nitroaniline and α naphthylamine.

基于碘酸根在稀盐酸介质中氧化盐酸羟胺产生亚硝酸根，而亚硝酸根和对硝基苯胺重氮化后可以与α-萘胺偶联产生红色偶氮染料，提出了分光光度法测定碘的新方法。

The capability of scavenging sodium nitrite and disconnecting nitrosamine synthesis with hawthorn extracts by microwave method were determined by spectrophotometry under simulated human gastric juice,and was compared with vitamin C.

通过微波法提取山楂的活性成分，在模拟人体胃液条件下，采用分光光度法测定了不同浓度的山楂提取液对亚硝酸钠的清除能力和对亚硝胺合成的阻断能力，并与Vc进行了比较。

Nonradioactive spectrophotometric HAT assay is an alternative method to the widespread radioactive assay but suffers from drawbacks as lack of sensitivity and accuracy.

非放射性分光光度HAT测定方法虽然可替代广泛使用的放射性检测方法，但缺乏灵敏度和准确性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。