查询词典 oxidation-reduction

The electrochemical oxidation of hypophosphite anions on platinum electrodes has been investigated by cyclic voltammetry and the electrooxidation mechanism has also been discussed.

用循环伏安法研究H2PO2-在铂电极上的电氧化行为，并讨论电氧化的机理。

The metallomicelles made of Co complexes containing imidazole groups and different surfactants has been employed to catalyze the oxidation of phenol by H〓O〓, and the satisfactory results have been obtained.

探索了将金属胶束模拟过氧化物酶的可行性，本文用一种Co单核配合物与不同类型的表面活性剂形成的金属胶束催化过氧化氢对苯酚氧化反应，得到了较为满意的结果。

The synthesis process comprises using chiral phosphorus acid as catalysis, synthesizing 2-(4, 7-indoline) compound in high efficiency and highly enantioselective by using sulfur imide and 4, 7-indoline compound, and products can be used to prepare several 2-dimethylamino indoline compounds with high optical activity through oxidation reaction.

以手性磷酸作为催化剂，由磺酰亚胺和4，7-二氢吲哚化合物可以高效率高对映选择性的合成2-甲氨基(4，7-二氢吲哚)化合物；产物可以经过氧化反应用于制备多种高光学活性的2-甲氨基吲哚化合化合物。

Main product: Ion implanter, Diffusion/Oxidation furnace, Plasma etching system, PECVD, High temperature sintering furnace ,MOCVD, Vaccum furnace, Silicon crystal growing furnace, Electronics industry kiln and furnace ,Solar cell, Pressure sensor.

主要产品：离子注入机，扩散/氧化炉，等离子刻蚀机，PECVD，高温烧结炉，MOCVD，真空炉单晶炉，电子工业窑炉，压力传感器等。

Existing staff 320 people, many years experience in the employment of expert guidance oxidation.

现有员工320人，长年聘用有氧化经验的专家指导。

Although be in short-term inside , the United States can offer the benefit in be more than the condition that seek from the inventory of primary tungsten product such as acid of concentrate , tungsten and oxidation tungsten as before many , but should realise , get primary tungsten incontinently to taste inventory from other area , then have a change of luck goes to the United States such the market puts in in order to sell a system of fixed quotas for grain production in the country , as a result changes the practice that supply and demand balances , give the place inevitably of all kinds the industry related to tungsten brings menace .

虽然在短期内，美国依旧能够从精矿，钨酸与氧化钨等初级钨制品库存供大于求的形势中获益不少，但是应该熟悉到，从其它地区无节制地获取初级钨品库存，进而转运到美国这样的以销定产国家中并投放市场，以致改变供需平衡的作法，将不可避免地给该处各类与钨相关的行业带来威胁。

Comparison of the thermogra- vimetric curves of these three catalysts showed that the ignition temperature, the peak temperature and the burn-off temperature of carbon black's catalytic oxidation over each catalyst can be listed in increasing sequence as: KVO3

比较3种催化剂的热重曲线发现，在相同的升温速率下，碳黑催化氧化的起燃温度、峰值温度和燃尽温度由低到高排列顺序均为：KVO3

The backbone of sugar residues chain in LBP-4a were contained l-6 indican bond according to periodate oxidation and the results of -elimination reaction indicated that the chain of polysaccharides and protein were connected by O-linked chemical bond.

腑实验证明用含有LBP一4 50 mg一1、100 mg·L-l、200mg.L'，和400mg·L-l的培养液培养人肝癌细胞邻Y一7703可显著抑制其增殖；细胞形态学观察发现LBP一4可诱导那Y一7703细胞发生凋亡，使细胞凋亡指数显著提高。

The monosaccharides in LBP-4 identified by GC were xylose , galactose , mannose , Rhamnose , glucose and arabinose with the molar ratio of 4. 45: 1. 20: 1. 0: 0.98: 0.90: 0.85. The content of calcium, magnesium, zinc and iron in LBP-4a were 127. 9070mg·g〓, 32. 3953mg·g〓, 0.3845mg·g〓 and 0.2930mg·g〓, respectively. The content of galacturnic acid in LBP-4a was 55. 45% while the content of protein is 3. 80%. According to IR spectra, it contains -COOH group,-NH- roup,-OH group,-NH〓 group and β-D-glucose. The backbone of sugar residues chain in LBP-4a were contained 1→6 indican bond according to periodate oxidation and the results of β-elimination reaction indicated that the chain of polysaccharides and protein were connected by O-linked chemical bond. The photograph of LBP-4a got by laser scanning confocal microscope and scanning electron microscope showed that the LBP-4a combined both with each other and with itself in its crystalloid. The crystalloid was flake and anisotropic.

由LBP-4a的红外光谱图知：LBP-4a中含有-COOH、-OH和-NH〓或-NH-基团，糖链中含有β-D-吡喃葡萄糖；高碘酸氧化实验知LBP-4a糖链中不具有连二羟基和连三羟基结构的单糖残基：具有连二羟基结构的单糖残基：具有连三羟基结构的单糖残基=57.0：16.2：1，六碳糖残基的连接中含有1→6连接的糖苷键；通过β消去反应证明LBP-4a中多糖链和氨基酸间为-O-型连接；由激光扫描共聚焦显微镜和扫描电镜对LBP-4a结晶观察结果推测：LBP-4a结晶中同时存在分子间和分子内结合的现象，LBP-4a分子相互结合时，并不是无规则的相互缠绕形成无规线团结构，而是形成片层结构，并且LBP-4a结晶可能具有各向异性的性质。

The new mutant was able to catalyze the oxidation of 6-benzyloxyindole (6-OBzl-indole) to form colored indigoid dimers as analyzed with mass spectrometry.

该突变体具有比野生型和已报道的其它突变体更广泛的底物适应性，能够催化氧化大位阻底物6-苄氧基吲哚(6-OBzl-indole)生成蓝绿色物质。

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。