查询词典 oxidative

Other than conventional concept, the N→Rh bond, formed by rhodium in the complex and nitrogen at pyridine ring in the ligand, did not break in the course of the carbonylation reaction, but formed into new active species instead, i.e., the ligand and rhodium as a whole participated in the oxidative addition of CH3I and the formation of CH3COI.

配合物中铑与吡啶环上共轭N形成的N→Rh配键，在羰基化反应过程中并非通常认为的断裂而是形成新的活性物种，即配体与铑作为整体参与了CH3I的氧化加成及CH3COI的生成过程。

The indexes of oxidative stress had a closed correlation with the ratio of apoptosis,but occurred earlier than the latter.

SOD、MDA变化分别与细胞凋亡率的变化呈显著相关性，且时间上早于后者。

The biological oxidative ability on DNA of the standard quartziferous dust and crocidolite, which is the carrier of inhaled particles in air pollution, and over ten kinds of metals and those combine and competitive reactions with DNA and chelators have been studied in order to know the role of standard quarziferous dust, crocidolite and metals in the pollution systems.

并对重要的大气污染物可吸入颗粒物的载体石英粉尘和青石棉及其承载的十余种金属离子介导活性氧氧化核酸的作用，金属离子与DNA分子和螯合剂的结合作用与竞争反应，探讨了石英粉尘和金属在污染体系中的作用。

To investigate the prevention of anti-apoptosis drugs (sodium ferulate, SF; schisandrin B, Sch B; flos chrysanthemi, FC; semem planagines, SP) on lens epithelial cell damaged by oxidative stress, and to study the changes of intracellular-free calcium, cyclic adenosine monophosphate and cyclic guanine monophosphate, in order to disclose the mechanism of signal transduction in cellular and molecular level.

目的 本研究旨在探讨细胞凋亡抑制剂阿魏酸钠、五味子乙素、菊花、车前子对氧化损伤的晶状体上皮细胞内Ca2+、环磷酸腺苷、环磷酸鸟苷的影响，从细胞信号转导角度揭示天然药物防治白内障的细胞和分子学机制。

Discussion of the solvent effect on oxidative free radical cyclization reaction of hemiacetal compounds 96 and 97

最后，研究半缩醛化合物96、97进行自由基反应之溶剂效应。

We also discussed this unusual reaction process and proposed a reasonable "one method,two paths" mechanism.These novel iodine-mediated oxidative cycloadditions provide a rapid and efficient route to the preparation of a variety of spiro dihydrofuran and cyclopropane derivatives.

该反应不使用昂贵的催化剂；反应过程中不使用有毒有害的有机溶剂，对环境友好；反应时间短，收率高；在相同条件下得到不同结构的产物，这提供了一种新型的合成二氢呋喃和环丙烷结构的环化反应。

This paper analyzes the investigation results about the internal oxidative corrosion in over 100 fire-tube package boilers and water tube boilers with drums,as well as the causes of the corrosion.Some practical corrosion preventive measures in operation management and deaeration are recommended.

本文对一百多台烟火管快装炉和带锅筒水管锅炉内部氧腐蚀情况的调查结果进行了分析，分析了产生氧腐蚀的原因，从运行管理和采取除氧措施等方面提出了实用的防氧腐蚀的建议。

MATERIALS AND METHODS: Formaldehyde, an oxidative deamination product of methylamine, was examined by HPLC analysis.

本研究的目的是纯化兔血浆中的SSAO蛋白，并以甲胺为底物研究兔血浆中具有SSAO酶活性的蛋白组分的酶动力学参数。

MATERIALS AND METHODS: Formaldehyde, an oxidative deamination product of methylamine, was analyzed by HPLC.

材料与方法：利用弱阴离子交换柱层析分离兔血浆蛋白，测定各收集组分的SSAO酶活性；以甲胺为底物测定SSAO酶动力学参数。

In rabbit plasma, there were two kinds of SSAO, which could catalyze the oxidative deamination of methylamine into formaldehyde, had significantly different kinetic parameters.

兔血浆含有两种SSAO酶，均可以催化甲胺氧化脱氨生成甲醛；组分A、B动力学特征有所不同。关键词氨基脲敏感型胺氧化酶；甲胺；酶动力学

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。