查询词典 oxidation-reduction

In the second part of the paper , oxidation of phenanthrene for the preparation of phenanthrenequinone by using halogen compound was studied . The chief factors of this method was discussed , and the optimum processing condition was obtained . The mechanism of the reaction by potassium hydroxide-precipitated was discussed , and the reaction kinetic parameters was measured .

论文第二部分研究了卤素化合物作为氧化剂氧化菲合成菲醌的方法，探讨了这种氧化方法的主要影响因素，从中找出较佳的工艺条件，并对其反应机理进行了初步探讨，测定了氧化反应的一些动力学参数。

1 A mediator modified carbon glassy electrode (NMP-GC electrode) is made by immobilizing N-methyl phenazine sulfate as the mediator on the surfase of carbon glassy electrode, which successfully catalyzes the oxidation of NADH and reduce the over-potential of NADH almost 700mv.

采用N-甲基吩嗪硫酸酯作为氧化还原介体，制作了NMP修饰的玻碳电极，将该电极用于NADH的电催化，实现了NADH在NMP-GC上的可逆氧化还原，并且将NADH在电极上的过电位降低了700mv左右。

A kinetic spectrophotometric method for the determination of copper is established based on its catalytic effect on the oxidation of phenol red by hydrogen peroxide in H2SO4 medium.

发现在硫酸介质中，痕量铜催化过氧化氢氧化酚红褪色的指示反应，研究了催化褪色反应的最佳条件和动力学参数，建立了测定痕量铜的新方法。

The method is based on the inhibitory effect of citric acid on the oxidation of phenol red peroxide catalyzed by Fe in hydrochloric acid solution.

在稀硝酸介质中，柠檬酸能阻抑铁催化过氧化氢氧化酚红的褪色反应，据此建立了阻抑动力学光度法测定柠檬酸的新方法。

The stronger and more coordinate bonds between anionic phenolate groups and Fe ions in higher oxidation state prevented the dissociation of central ions.

这些基团的引入提高了中心金属Fe的价态，并增加了配体的电子云密度从而调节了Fe的氧化还原电位。

However, it is hard to prepare high valent Mn complexes with ligand with only neutral chelating nitrogen atom of two dpa arms in 〓. In order to get a Mn dimmer complex with high oxidation states of manganese to increase the possibility of storing more oxidizing equivalents necessary to oxidize water evolving oxygen, some N atoms are replaced by anionic phenolate groups.

本文以高价金属的稳定、氧化还原性能的改善、各金属离子之间联系的增强等作为主要研究内容，来改进以往模型中金属价态较低，氧化还原电位高，不利于形成氧化活性中间体；多核配合物的研究较少，且各金属活性中心相互协同作用弱等问题。

It is understood that three-way outlet selection of Aurora Phosphor Bronze material, not only has good conductivity of copper, and good elasticity, anti-fatigue, anti-corrosion, oxidation resistance is very superior.

据了解，三雄·极光插座选用的锡磷青铜材料，不仅具有铜的良好导电性能，而且弹性好，抗疲劳、耐腐蚀、抗氧化性能非常优越。

The terminal is made of imported phosphor bronze and processed with special technology free from oxidation,has high elasticity coefficient and is not distorted easily.

端子采用进口磷青铜经过特殊工艺处理，弹性系数高，不易变形。

Based on a great deal of tests, and through analysis of test result, experience on taming activated sludge was accumulated, operating parameters of integrated oxidation ditch which were best suitable for local condition were acquired. It was found that under the situation without solitude anaerobic zone, when the apparent anaerobic zone was absent, the strengthen biological phosphor removal phenomenon was really exist, and the phosphor removal efficiency was increasing with the increasing of BOD5/TP、 F/M.

在大量试验的基础上，通过对试验结果的分析，积累了培养活性污泥的经验，得出了最适合本地情况的一体化氧化沟的运行参数，发现了在没有单独设置厌氧区的情况下，在没有明显厌氧区段时，确实存在强化生物除磷现象，并且磷的去除率随BOD_5/TP、F/M的增大而增大。

The TiO2 synthesized by normal and reverse micelles as templated were applied for phot ocatalytic of Rhodamine B and organic toxic small molecule 2.4-dichlorophenol under ultraviolet irradiation. Oxidation species and photodegradation products in the photoreaction process were detected for studying their photocatalyst properties. The results showed that: the R-TiO2 had a better photocatalysis property under UV irradiation when photodegradation of RhB and DCP compared to the N-TiO2. After 160min, the mineralized rate of RhB can be 95%. And the oxidative species was mainly referred to OH radical.

利用正相和反相胶束介质模板制备的纳米TiO2为光催化剂，在紫外光照射下，对染料罗丹明B和有机有毒无色小分子2，4-二氯苯酚进行光催化降解，研究了其光催化性能，并对光催化过程中氧化物种及降解产物进行了跟踪测定，结果表明，反相胶束模板体系制备的纳米TiO2与正相胶束介质制备的纳米TiO2比较，在紫外照射下对RhB及DCP的降解有较好的光催化性能，对RhB在160min尤催化矿化率可达95%，光催化反应主要的氧化物种涉及在基自由基。

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。