氧化测定法

In this article, a new analytical method for determination of the content of active manganese dioxide left in waste Zn-Mn battery was proposed by iodimetry combined with potential titration. The influence of reaction time, temperature and the quantity of potassium iodide were investigated.

本文提出结合电位滴定技术用碘量法测定废旧锌锰干电池锰粉中剩余活性二氧化锰含量的新方法，对方法中反应时间、温度、碘化钾用量等影响因素进行试验，确定了最优实验条件。

In this paper, the principle and process of the acidic potassium permanganate oxidation was analyzed, combined with years of practical experiences, the influencing factors were summarized, and put forward several matters to need attention.

文中通过对酸性高锰酸钾氧化法原理和过程的分析，并结合多年的实践经验，总结出在实际监测中，影响COD测定的几个因素，并针对各种影响因素提出了注意事项。

Based on the nitrite catalyzed oxidation of pyrocatechol violet by potassium bromate, a new catalytic spectrophotometric method for determination of trace nitrite has been developed.

基于在磷酸溶液中，亚硝酸根对溴酸钾氧化邻苯二酚紫的褪色反应具有催化作用，建立了催化光度法测定微量亚硝酸根的新方法。

A spectrophotometric determination of iodine by oxidation decoloration reaction of pyrocatechol violet by iodatein a strong acid medium is reported in this paper.

本文提出了在强酸性条件下，根据碘酸根氧化邻苯二酚紫使其褪色吸光光谱法测定加碘食盐中碘含量的分析方法。

The bioligical activities of all complexes were tested by means of modified pyrogallol autoxidation . The results indicates that V-SOD mimics present limited fine biological activities. This work opens up a new path for syntheizing new SOD mimics and studying the relationship between structure and biological activity of the mimics compounds.

利用改进的邻苯三酚自氧化法测定了所合成配合物的生物活性，结果显示钒的模型配合物具有较好的活性，为拓展研究SOD模型化学奠定了基础，开阔了思路。

A rapid and practical redox titration method for determination of vanadium in steel was proposed.

提出了一种快速的氧化还原滴定法测定钢铁中钒的实用方法。

Electrical conductivity relaxation method was used to determine the oxygen chemical diffusion coefficients .

采用电导弛豫法测定了样品的氧化学扩散系数。

Electrical conductivity relaxation method was used to determine the oxygen chemical diffusion coefficients D～.

采用电导弛豫法测定了样品的氧化学扩散系数。

Work has done:●Researched on inhibitory effects of the extraction and compounds on tyrosinase activities.●The method which was used for quantitating resveratrol from smilax glabra by RP-HPLC wasestablished.●Studied on antioxidant activity of smilax glabra with DPPH

考察了土茯苓总提取物及单体化合物的酪氨酸酶抑制活性●建立了土茯苓中白藜芦醇的高效液相检测方法●利用DPPH·法测定土茯苓的抗氧化活性

In this paper,that a series of sodium tungsten bronze crystals were prepared by electrolysis of molten salts containing sodium tungstic and tungstic oxide was reported.

文中采用熔盐电解法，电解钨酸钠与三氧化钨熔盐制备出系列钠钨青铜晶体，选用离子选择电极分析法快速、简便、可靠地测定了晶体中的钠含量，并通过X－射线粉末衍射确定了晶体的晶型结构及晶格常数a。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。