查询词典 spectrophotometric

In this study, the antioxidant components, antioxidative activity of five species of Davalliaceae plants and two polypodiaceae plants were investigated first by microtiter spectrophotometric and fluorescent methods. Then the protective effects of these plants on 6-OHDA-induced neuronal damage in B35 cells were investigated.

本实验采用俗名为骨碎补的五种骨碎补科与两种水龙骨科之近源植物作为实验材料，进行抗氧化成分含量与活性评估，并以离体方式探讨其对6-OHDA所诱导神经细胞损伤之保护作用与机制。

In the present paper,the use of 8-hydroxyquinolinecomplexs in precipitate flotation to separate and preconcentrate Cu and Mn,using SDBS as collector,followed by AAS spectrophotometric determination is proposed.

提出了以8-羟基喹啉为沉淀剂，十二烷基苯磺酸钠为浮选剂，沉淀浮选预分离富集与火焰原子吸收光谱法联用测定痕量Cu和Mn的新方法。

The stability of the red pigment from Prunus tomentosa Thunb was investigated by spectrophotometric methods in this paper,in order to provide a theoretical basis for the comprehensive utilization.

利用分光光度法系统研究了毛樱桃果实红色素的稳定性，从而为该色素的开发和利用提供科学依据。

The sixth part: The spectrophotometric performance of the new type aresenoxylphenylazo rhodanine and carboxylphenylazo rhodanine ramifications was mainly studied.

第六部分：主要研究了几种新型含胂酸基、羧基若丹宁衍生物的分光光度性能。

A spectrophotometric method for the determination of raceanisodamine has been developed based on the charge transfer reaction. The reaction between raceanisodamine and Salicyl fluorone was completed in ethyl alcohol medium at 10 min at room temperature.

以消旋山莨菪碱作为电荷给体，水杨基荧光酮作为电荷受体，用分光光度法研究了它们之间形成电荷转移络合物的条件。

Based on the shortcomings of the COD determination method revised in National Standard, some improvement measures of the standard method, including improvement of slaking phrases, research of substitution catalysts and elimination of chlorine ion disturbance, are compared and discussed. Afterwards, some common substitution COD determination methods, such as correlation coefficient analysis method, electrochemistry analysis method, spectrophotometric analysis method and flow inject analysis method, are introduced.

在论述了国标中COD标准方法不足之处的基础上，本文就标准方法的众多改进措施分类进行了比较与探讨，包括消解方法的改进、替代催化剂的研究以及氯离子干扰的消除，然后介绍了相关系数法、电化学法、分光光度法和流动注射法等COD测定替代技术。

Methylene blue is reduced and faded by ascorbic acid in the medium of dilute hydrochloric acid（ pH=2） with sulfanilic acid as a catalyst.The optimal conditions of the fading reaction were investigated in detail.Based on this fading reaction a new spectrophotometric method for the determination of ascorbic acid was established.

确定了亚甲蓝与抗坏血酸褪色反应的最佳条件，在 pH=2的缓冲溶液和对氨基苯磺酸存在的条件下，抗坏血酸能够很快还原亚甲蓝并使之褪色，褪色反应的体系具有很好的稳定性。

We studied some new colour reactions for the first time. Amino-Gacid chlorophosphonazo, sulphonic acid amide chlorophosphonazo and phippuric acid chlorophosphonazo were used to establish flow injection spectrophotometric methods of Pd in ores.

我们首次探索了一些前人未研究过的新显色体系，使用氨基G酸偶氮氯膦，磺胺偶氮氯膦，对马尿酸偶氮氯膦建立了测定矿石中Pd的流动注射分光光度法。

METHODS Compare the assaying content of Inosine by using titrimetric method of periodic acid with spectrophotometric method.

用高碘酸滴定法测定肌苷的含量并与紫外分光光度法作对比。

A Spectrophotometric method for the determination of Flavone in the extract of Toona sinensis leaves was established.

建立了AlCl3显色分光光度法测定香椿叶提取液中总黄酮的测定方法。

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。