光度

In this study, the UV-spectra of AITC and its thioureas , and kinetic properties of piperidine, morpholine and diethyl amine reacted with AITC were investigated.

AITC与胺反应转化为硫脲后，最大吸收峰强度有了极大的提高，摩尔吸光系数增加了十余倍；利用我们的发现，我们以光度法研究了该反应的动力学，证明该反应为二级反应，并求得了反应速率常数和反应活化能等参数；同时，讨论了反应机理。

For thesake of knowing mechanism of preparing nacreouspigment of mica titanium and adjusting pH with urea, we need to measure fast and exactly concentration of titanium to direct preparing top grade nacreous pigment of mica titanium.

为了更好地了解尿素中和法制备云母钛珠光颜料过程中钛水解的机理，指导高档次云母钛珠光颜料的制备，需要对该过程中钛的含量进行准确快速的测定，本文对过氧化氢分光光度法测定钛的方法进行了实验研究。

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。

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。

Air-segmented ; flow injection ; natural waters ; catalytically kinetic spectrophotometry ; vanadium

空气整段间隔；流动注射；催化动力学光度法；天然水；钒

Nephelometer method was used to measure A value of culture medium in the different incubation conditions.

采用比浊法测定不同培养条件下变形链球菌luxS基因缺陷株培养液的吸光度A值。

Age concentration of Ca , Mn , Fe and Zn which are believed to have close relation with the nephridium

采用电喷雾质谱技术、等离子体发射光谱技术以及紫外分光光度法分别对炮制前后朝鲜淫羊藿的化学成分进行了详细研究；结果表明，炮制后淫羊藿中与肾功能有密切关系的Ca、Mn、Fe、Mg、Zn等微量元素

The application of neural network in the multicomponent analysis is presented.

对神经网络在多组分光度分析法中的应用进行了研究。

Based on the above analysis, I have discussed the similarities between spectral and timing properties of neutron star and black hole X-ray binaries.

基于以上分析，我讨论了低光度下中子星和黑洞X射线双星的相似性和对未来研究的展望。

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。