查询词典 spectrophotometric

A catalytic kinetic spectrophotometric method for the determination Ni has been developed based on the enhancement of the catalytic effect of Ni on the oxidation fading reaction of isatin and sodium persulfate.

基于聚乙二醇对Ni(上标 2+)催化过硫酸钠(Na2S2O8)氧化靛红褪色反应的增敏效果，建立了一种新的测定Ni(上标 2+)的增敏动力学光度法。

An indirect spectrophotometric method was used to determine the content of lactide. The factors on the determination, such as the type of solvent, acid and alkali dosage, the time of aminolysis reaction and so on, were discussed.

采用间接光度法测定粗丙交酯中丙交酯的含量，讨论了溶剂类型、胺解反应时间、酸碱用量等因素对测定结果的影响。

The use of spectrophotometric method in determinate boron from magnesite ,because the Mg will disturb the content.

镁砂中三氧化二硼的含量一般在0.05%以下，含量较低且测定中易受镁的干扰。

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。

In the present study, direct ammonium molybdate spectrophotometric method was used to measure the phosphate uptake of unicellular M. aeruginosa.

采用了直接显色法对单细胞铜绿微囊藻蓄积正磷酸盐的浓度进行测定，并与传统测定方法进行比较。

A rapid and sensitive flow-injection spectrophotometric method was proposed for the determination of metoclopramide. This method was based on the diazotisation of metoclopramide with sodium nitrite in acidic medium and coupling with α-naphthylamine.

基于在盐酸介质中，利用甲氧氯普胺一亚硝酸钠-α-萘胺的重氮化-偶合反应，建立了流动注射光度法测定甲氧氯普胺的新方法。

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。

The method for the determination of nickel in stainless steel by rapid spectrophotometric with diacetyldioxime is set up.

建立测定不锈钢中镍的丁二酮肟快速光度法。

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。

Detection limits of improving GB/T 5009.34 method, pararosaniline hydrochloride spectrophotometric determination of sulfites in foods, is 1.00mg/kg.

本文首次报告用改进GB/T5009.34食品中亚硫酸盐盐酸副玫瑰苯胺法。

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。