过氧化反应

To study the performance of inorganic composite catalyst for the SPC oxidation of p-methyl anisole, Cu2-Co2-KBr is used as catalyst of sodium percarbonate oxidation for p-methyl anisole synthesized by paracresol methylating. Effect of reaction conditions, such as the factors of catalyst composition, catalyst quantity, solvent, reaction temperature and time on oxidation of p-methyl anisole, is investigated.

研究了无机复合催化剂催化SPC氧化对甲基苯甲醚的反应性能：以Cu2-Co2-KBr为催化剂，利用过碳酸钠氧化对甲酚甲基化产物对甲基苯甲醚，系统研究了催化剂组成比例、催化剂用量、溶剂、反应温度、反应时间等因素对反应的影响。

The effect of pH value, the concentration of oxidants, ultrasound and ultraviolet on oxidizing and degrading DDE was studied in detail.

方法］考查pH值、氧化剂浓度、超声和紫外光对过二硫酸钾氧化降解DDT反应的影响，并应用于淡水和海水中。

It was found that the condensation could be completed within 24 hours at 60°C in a solution containing 10mg CAWs, 20mg 2-aminoethyl mercaptan, 10mL CH2Cl2, 1 mL triethyl amine and 0.2g DCC (N, N'-dicyclohexyl carbodiimide).

实验结果表明：10mg经浓硝酸氧化处理过的碳原子线在含有20mg巯基乙胺、10mL CH2Cl2、1mLN3、0.2g DCC的液相反应体系中，60℃温度下作用24h可完成缩合反应，生成巯基化碳原子线。

In this invention polymer electrolyte membrane device is used to electrolyze organic compounds with low decomposition voltage and meanwhile air is input into the anode loop reduce the residence time of intermediate product on catalyst surface, reducing the over-potential in anode reaction, increasing the anodic oxidation rate and maintaining the electrolytic solution potential below 1V, which decreases the power consumption and provides considerable economic benefit.

本发明利用聚合物电解质膜装置电解具有低分解电压的有机化合物，同时，在阳极回路中加入空气，减少电化学反应中间产物在催化剂表面的停留时间，降低阳极反应的过电位，加速阳极氧化速度，使得电解电位始终在1V以下，大大降低了电解制氢的耗电量，节约了能源，预计会有可观的经济效益。

An alkaline solution containing mercaptides is regenerated in an improved process wherein the alkaline solution to be regenerated containing a suitable oxidation catalyst is contacted with an oxygen-containing solvent which is immiscible with said alkaline solution in a reaction zone comprising a plurality of fibers positioned longitudinally within a conduit, whereby the two liquids are in contact while concurrently flowing through said reaction zone during which the mercaptides contained in the alkaline solution are oxidized to disulfides and are simultaneously extracted from the alkaline solution into the solvent solution.

包含 mercaptides 的碱解决在一个改良的程序被再产生在何处碱的解决被再产生包含一个适当的氧化催化剂与被说反应的碱的解决组成一个纤维的多数地域纵观地放置在一个导管里面的对一个包含氧的溶剂感到不能相混合的一起连络，那里当协同地流动过说的反应地域的时候，这二种液体保持接触在哪一个期间包含在碱的解决 mercaptides 被使氧化到 disulfides 而且同时地从碱的解决到有偿付能力的解决被吸取。

Our data suggest that widely used oxidation measures, such as ex-vivo LDL oxidizability, do not reflect the degree of atherosclerosis; and long-term beneficial effects of relatively low doses of antioxidants may be outweighed by high levels of plasma cholesterol in WHHL rabbits.

研究表明：广泛应用的氧化检测，例如体外LDL氧化度并不能反应动脉粥样硬化的程度；WHHL家兔血浆胆固醇水平过高会抵消长期给药抗氧化剂的疗效。

This method measures the decay of fluorescence as the fluorescent probe is oxidized by the peroxy radicals generated from AAPH 2,2-Azobis(2-amidinopropane dihydrochloride.

它利用萤光探针被AAPH [2，2-Azobis(2-amidinopropane) dihydrochloride]产生之过氧自由基氧化失去萤光之反应作为侦测反应。

The optimal conditions for reaction were as follow:the initiator was ammonium persulphate with sodium pyrophosphate syste...

实验确定的最佳反应条件是：引发剂用过硫酸铵-焦磷酸钠氧化还原引发体系，其用量为单体总量的0.4%~0.5%；复合乳化剂选用非离子表面活性剂(TX-10)和混合阴离子表面活性剂复配的复合乳化剂，其最佳用量为单体总量的4.0%~5.0%；反应温度为85~90℃；单体预乳化液滴加时间为3 h左右。

Based on a thorough analysis of the experimental results, a coupling mechanism of the catalytic selective oxidation and non-catalytic partial oxidation in which the surface adsorbed 〓 species and the lattice 〓 species take part synergically.

在全面分析实验结果的基础上，提出了一个由表面吸附氧种〓和晶格氧种〓协同参与的甲烷催化选择氧化与气相非催化部分氧化相耦合的反应机理，催化剂的参与既在表面开辟了生成〓和HCHO的新途径，又可将气相反应中的强氧化型物种转移到催化剂表面，形成有利于选择氧化的表面活性氧种，同时避免了气相中强氧化型物种浓度过高而导致选择氧化产物深度氧化。

Papers in the experimental part of our literature considered on the basis of the experimental exploration, and podophyllotoxin intermediates with the structural characteristics of a simple pepper aldehyde as the starting material,α,β-unsaturated carbonyl compounds are selective reduction lithium aluminum hydrogen reduction reaction as the key steps to have the Knoevenagel condensation, peracetic acid epoxy between chlorine and alkaline hydrogen peroxide epoxy, DCC condensation esterification reaction of the three podophyllotoxin intermediates.

论文实验部分我们在综合考虑文献的基础上，经过实验摸索，并结合鬼臼毒素中间体的结构特点以简单的胡椒醛为起始原料，对α，β-不饱和羰基化合物具有选择性还原的锂铝氢还原反应为关键步骤，先后经过Knoevenagel缩合，间氯过氧苯甲酸环氧化，碱性过氧化氢环氧化，DCC缩合酯化等反应合成了3个鬼臼毒素中间体。

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。