光度测定

In this study, a novel method based on the fading of isatin is proposed to determine the glucose oxidase activity.

利用靛蓝胭脂红褪色分光光度法测定葡萄糖氧化酶催化葡萄糖溶液产生的过氧化氢浓度，经过标准曲线转换得到葡萄糖氧化酶的活力。

The method was based on the inhibitory effect of oxalic acid on the oxidation of isatin by H 2O 2 enhanced by non-ionic surfactant-Triton X-100 in the HCl medium.

在稀盐酸介质中，微量草酸对H2 O2 氧化靛红的褪色反应有显著的阻抑作用，非离子表面活性剂TritonX 1 0 0对此体系有强烈的增敏作用，据此建立了表面活性剂增敏阻抑动力学光度分析测定微量草酸的新方法。

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。

In this paper, the direct spectroscopic kappa number testing method developed previously is simplified and improved.

摘 要：对卡伯值分光光度直接测定法进行了改进和简化。

The new technique reduced the distance ladder to three "rungs":(1) The distance to galaxy NGC4258 is measured using straightforward geometry and Kepler's laws;(2)Cepheids in six more distant galaxies are used to calibrate the luminosity of Type Ia supernovae;(3) The Hubble constant is measured by observing a brighter milepost marker, Type Ia supernovae, in more distant galaxies hundreds of millions of light-years away, embedded in the expanding universe.

这种新技巧简化了距离跳跃为三个"阶梯"：1、星系NGC 4258的距离采用开普勒定律和简单直接的几何方法精确测量；2、在6个更远的星系中的造父变星用来校准Ia超新星的光度；3、深嵌于数亿光年外的膨胀宇宙中的星系中的Ia超新星——一种遥远而明亮的量天尺，被用于精确测定哈勃常数。

Conclusion］ The method has higher sensitivity,accuracy and precision,could be applied to determine the contents of carboxylic ester,lactone and their complexes.

结论］分光光度法具有较高的灵敏度、准确度和精密度，适用于各种酯或内酯及混合酯总量的测定。

In this paper, we build an method of effective vitamin C in LAPP by UV-spectrometer.

建立了紫外分光光度法测定L-抗坏血酸多聚磷酸酯中有效维生素C含量的方法。

Objective:To develop an assay for the determination of phosphorus level in soya lecithin by spectrophotometry.

提要 目的：研究分光光度法测定大豆磷脂中磷的含量。

The crude extract rate was accounted for 2.62%. The antilipid-peroxidation of the extract on liver was assayed by the determination of malondialdehyde with TBA spectrometric method.

用分光光度法测定了芝麻饼粕提取物对DPPH的清除作用和对小鼠离体组织匀浆脂质过氧化及Fe(上标 2+)-VC体系诱导的脂质过氧化的抑制作用。

Luteolin a standard for the control, by ultraviolet spectrophotometry of luteolin extraction were determined.

以木犀草素标准品为对照，用紫外分光光度法对木犀草素提取量进行测定。

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。