光度

The contents of Zn, Cu, Fe and Ni in three kinds of Yingpingwanbixiao and a kind Yingpingwanbitong were determined by FAAS .

采用火焰原子吸收分光光度法测定3种英平顽痹消和1种英平顽痹通中锌、铜、铁、镍的含量，结果表明，该类药物中4种微量元素的含量均较丰富。

Following the discovery of high-altitude air discharges by accidentin 1989,there has been a robust effortof experiment-based and theory-based study of these mysterious phenomenaabove thundercloud,which leads to the formation of a new branch field of atmospheric electricity.

1989年美国Minnesota大学的一个研究组用低光度电视摄像机捕捉到了首张中高层大气放电的图像，这一偶然发现激发了随后的中高层大气放电现象的观测研究高潮，并导致了一个全新且充满活力的大气电学新分支领域的诞生。

The low concentration of chlorine dioxide in water was determined by spectrophotometry according to the characteristic of decoloration of thymol blue by using chlorine dioxide as oxidant in this paper.

根据二氧化氯可氧化百里香酚兰使其褪色的特性，可用示差分光光度法测定水中低浓度二氧化氯的含量。

The absorption of NH + 4 was lowered by t he i ndophenol method because of the similar structure of thymol and phenol.

由于百里酚与苯酚结构相似，造成靛酚法的铵离子分析中吸光度有所降低。

Using thymol -sodium hypobromite as chromogenic reagent,and extracting the colour formed with butanol,a spectrophotometric method for the determination of arginine in fermentation broth was studied.

以百里酚的次溴酸钠溶液为显色剂，用正丁醇萃取显色产物，以分光光度计比色测定有机相的吸光度值。

Methods After extracting the samples, the reaction between thymol and nitrate produced nitrothymol in the presence of sulphuric acid; then nitrothymol was made to react with sodium hydroxide; determination was made on the concentration of nitrate by spectrophotometry at 412 nm.

样品经提取，其中的硝酸盐在硫酸酸性条件下，与麝香草酚生成硝基化合物，再与氢氧化钠作用，生成黄色化合物，在波长412nm处用分光光度法测定食品中硝酸盐含量。

This paper deals with the best experimebtal condition of the determinationof the hardness of water by spectrophotometry with Methyl Thymol Blue Complexon as chlorophosphosphonsazo, and the concrete formula of Lambert-Beer's Law inthe mixed system of Ca-MTB is calculated.

研究了以甲基百里香酚兰络合剂为显色剂，用分光光度法测定水硬度的最佳试验条件，导出了朗伯─比尔定律在Ca—MTB与Mg—MTB二元混合体系中的具体形式。

In this article the catalytic spectrophotometric back titrimetry for determining trace manganese was studied,best experimental conditions were selected and experimental method was established.

本文研究了催化光度返滴定法测定微量锰的原理，找到最佳实验条件，确立了实验方法。

Nevertheless, the more classical methods based on titrimetry, colorimetry, spectrophotometry, single or multiple partitions, or changes in physical constants lose none of their previous validities.

但无论怎样，以滴定法、比色法、分光光度法基础的比较经典的方法，单个或多个分类、或物理常数方面的改变（或任何其他形式的检测或分析），并未失去它们原有的有效性。

The preparation method of sulfide standard solution was studied with improved elthylene blue method and total differential spectrophotometric method .

用改进的乙基蓝法和用全差示光度法，研究了硫化物标准溶液的配制方法。

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。