查询词典 oxidative

An oxidative halogenation process involving contacting a reactant hydrocarbon selected from methane, a halogenated C1 hydrocarbon, or a mixture thereof with a source of halogen and, preferably, a source of oxygen in the presence of a rare earth halide or rare earth oxyhalide catalyst, so as to form a halogenated C1 hydrocarbon having a greater number of halogen substituents as compared with the reactant hydrocarbon.

一种氧化卤化方法，包括使一种选自甲烷、卤代C1烃、或其混合物的反应剂烃与卤素源和优选的氧源，在稀土卤化物或稀土卤氧化物催化剂存在下，进行接触，从而形成一种卤代C1烃产物，它较所述反应剂烃具有更多数目的卤素取代基。

Fenvalerate could cause certain oxidative damage on pakchoi, and cause SOD, CAT, POD activities change in different degrees.

氰戊菊酯可对小白菜产生一定的氧化损伤，导致SOD、CAT、POD活性发生不同程度的变化。

This review briefed the relation between apoptosis and acute pancreatitis, investigated the influence of apoptosis on acute pancreatitic organ damage, and analyzed the relation between apoptosis and inflammatory cytokines, oxidative stress, endoplasmic reticulum stress, Notch factor, aiming at revealing the mechanism of apoptosis in acute pancreatitis.

本文简述细胞凋亡与急性胰腺炎之间的关系，探讨细胞凋亡对急性胰腺炎器官损伤的影响，分析细胞凋亡与炎症因子、氧化应激、内质网应激、Notch因子的关系，从而揭示急性胰腺炎细胞凋亡的发生机制。

Anthocyanins are plant unique phenolic compounds derived from flavonoid biosynthetic pathway. The red cyanidins, orange pelargonidin, and purple-blue delphinidin are three major anthocyanins, which are reported to have anti-oxidative activity on lipid and scavenge activity on removing free radical.

花青素是植物所特有的多酚类化合物，也是类黄酮代谢路径所衍生的化合物，植物主要的花青素有紫红色的矢车菊素、橘红色的天竺葵素及蓝紫色的飞燕草素等三种，均为抗氧化物，可抑制脂质过氧化，并具有清除自由基的能力。

Oxidative stress and lipid peroxidation may play an important role in the formation of liver inflammation cell infiltration.

氧应激和脂质过氧化在肝组织脂肪变性后炎症的过程中发挥重要作用。

The order is TRs〓＞extraction of black tea＞TB＞TRs〓＞TFs＞ECG＞EGC＞TP＞EGC＞EC. Comparing with catechins, peroxyl radical scavenging activities of their oxidative products were stronger.

儿茶素及其氧化产物对羟自由基有明显的清除作用，其清除·OH作用强弱顺序依次为TR〓＞红茶水提物＞TB＞TR〓＞TFs＞ECG＞EGC＞TP＞EGC＞EC。

Several types of ligand reactions observed under hydrothermal condition were summed up:(1) hydrolysis of pyridine nitrile, aldehyde and ester in mixed water and alcohol into pyridine-carboxylate;(2) replacement of carboxylate group with sulfonic group;(3) coupling of phenanthroline by dehydrogen;(4) oxidative coupling of methanol into oxalic acid;(5) hydroxylation of isophthalate.

总结了以往在水热条件下观察到的几类配体反应：（1）吡啶腈、醛和酯在醇和水混合溶液中水解成吡啶羧酸；（2）磺基取代羧基反应；（3）邻菲啰啉的脱氢的聚合：（4）甲醇被氧化偶合生成草酸：（5）间苯二甲酸的羟基化反应。

Determination of Phenylenediamine in Oxidative-type Hair Dyes by Capillary Column Gas Chromatography;2. The production condition and technology of m-phenylenediamine are introduced.

介绍了我国间苯二胺的生产现状及工艺，指出采用粗品混合二硝基苯直接加氢是制备间苯二胺最好的方法，具有成本低、污染小等优点。

With chromium phosphomolybdate as catalyst and H2O2 as oxidant,catalytic oxidative removing of dibenzothiophene in n-octane under microwave irradiation was studied.

以磷钼酸铬盐为催化剂、过氧化氢为氧化剂，研究了微波辐射加热下模拟汽油中二苯并噻吩的氧化脱除。

It Probed into the effect of concentration explosive limit s caused by the nature of explosive gases, the damping effect of polybasic Gas caused by CO, as well as the conjunct oxidative and inductive effect .

探索了可燃性气体本性对浓度爆炸极限的影响、CO对多元瓦斯气体的阻尼效应以及C2H4与CO间的协同氧化诱导效应。

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。