光度测定

Methods The methods of spectrophotography and chromaticity were used to test the efficiency of two kinds of denture detergent.

采用分光光度法和色度测定法分析了上海牙膏厂有限公司提供的两种假牙清洁剂的有效性。

The objective of the study was to explore the effect of trace chromium in feed by spectrophotometry.

目的］探索分光光度法测定饲料中微量铬的效果。

A new catalytic kinetic spectrophotometric method for the determination of trace cobalt was studied.

研究了催化动力学光度法测定痕量钴的方法。

The ocular extravasation of the colorant was determined by 620 nm absorbance spectrophotometry.

眼部外渗的着色剂以620nm吸收率分光光度法测定。

Nutrient release characteristics of coated potassium sulfate were estimated at different temperatures in water, by means of conductometer and flame photometer.

以山东农业大学"控释肥料中试车间"制作的包膜控释钾肥为材料，用静水浸泡法评价其在不同温度下的养分释放特性，分别采用电导率法和火焰光度法测定其养分释放速率。

To establish a method of high performance capillary electrophoresis for content determination of ursolic acid in Cornus officinalis Sieb.et Zucc..

结果表明，高效毛细管电泳法简便、快速，准确度和灵敏度均明显高于紫外分光光度法，并建立了高效毛细管电泳法测定山茱萸中熊果酸含量的方法。

By means of electric hydrogenation -atomic absorption spectrophotometer, the seleniumcontets have been determined,analysed and evaluated in 204 samples of twelve grain and grain by-products such as rice, wheat, corn , barley, rape seed cake, cotton seed cake , soybean cake, sesame seed cake, soybean, rice bran, wheat bran and peanut oil cake, etc.

本文运用电热氢化—原子吸收分光光度法，对湖北省产稻谷、小麦、玉米、大麦、菜子饼、棉子饼、大豆饼、芝麻饼、大豆、米糠、小麦麸皮、花生饼十二种粮食及其副产品204个试样中硒元素的含量进行了测定、分析和评价。

The method was based on the inhibition effect of iodine on the nitrite catalyzed oxidation of cresol red by potassium bromate catalyzed by nitrite in dolute sulfuric acid medium.

研究了在稀硫酸介质中，痕量碘离子对亚硝酸根催化溴酸钾氧化甲酚红的阻抑作用，建立了测定痕量碘离子的阻抑动力学光度分析的新方法。

Methods: The effects of initial and mature biofilms were measured by crystal violet assay under various concentrations of ampicillin and moxifloxacin.

通过结晶紫染色测定吸光度值的变化，观察不同浓度下两种抗生素对早期及成熟生物被膜的影响。

The color reaction of Zn(superscript 2+)-SCN(superscript -)-crystal violet in the presence of β-cyclodextrin and arabic gum has been studied and a new spectrophotometric method has been developed for the determination of zinc in water.

研究了在β-环糊精和阿拉伯树胶存在下，锌与硫氰酸盐和结晶紫的显色反应，建立了光度法测定水中微量锌的新方法。

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。