查询词典 free radical

Results In the presence of hydrogen peroxide, SLO can catalyze the co-oxidation of guaiacol, benzidine, p-phenylenediamine and o-dianisidine. There are free radical intermediates to produce in the process of co-oxidation.

结果 在过氧化氢参与下，SLO可催化愈创木酚、联苯胺、对苯二胺和二甲氧联苯胺的协同氧化，氧化过程中可产生自由基中间产物。

Bromopropane is produced from hydrogen bromide and propene in the presence of catalyst by free radical addition process.

丙烯与溴化氢在催化剂作用下，进行自由基加成反应生产1-溴丙烷。

The hydrolyzate with 10 g/L had 61.68% of the eliminating activity of DPPH free radical.

试验表明，虾夷扇贝卵巢酶水解物有较好的抗氧化性。

Free Radical ion; Hyperfine coupling constants; Density Functional Theory

自由基离子；超精细偶合常数；密度泛函理论

Ebselen is able to sim2 ulate the G lutathione hyperoxide enzymatic activity and to inhibit free radical loss leaded from high2intensity endurance motion obvi2 ously , perhaps because it have the enzymatic activity simulating G lutathione hyperoxide.

Ebselen 对大强度耐力运动导致的自由基损伤有明显的抑制作用，原因可能与 Ebselen具有模拟谷胱甘肽过氧化物酶活性有关。

Antler velvet is one of the important tradition Chinese medicines with many active components and effects. From anti-aging aspect, that is preventing the oxidization of free radical, the yields of hypoxanthine and other anti-aging components extracted by supercritical CO2 were explored.

鹿茸是我国的传统中药，具有多种有效成份和药理药效，本文主要从抗衰老角度，即抗自由基氧化作用出发，考察了萃取条件对鹿茸中看抗衰老活性成分次黄嘌呤及其它有效成分的萃取收率的影响。

Product Efficacy: optimized feedstocks oxygenated spring water and the conservation of plant extract of ice cream to add an instant multi-layer skin moisture and nutrients directly to the dermis layer, transport skin metabolism of trace elements needed to improve the skin antioxidant capacity of blocking free radical synthesis, increased skin permeability to quickly resolve the skin dry and dull, from crumbs and other issues, rapidly form a protective film on the skin surface, effective in preventing aging of the skin dry.

产品功效：优化的精纯含氧冰泉水及涵养植物提取精华，瞬间多层补充肌肤的水分和养分直达真皮层，传输肌肤代谢所需微量元素，提高肌肤抗氧化能力阻断自由基合成，增强肌肤通透性，快速解决肌肤干涸，暗哑，起屑等问题，迅速在肌肤表面形成保护膜有效预防肌肤干燥老化。

Objectives:To study the the formation of free radical in vivo and in vitro.

目的：研究体内外自由基的形成及意义。

There are three categories of maturity indicators of organic matter in current petroleum industry to evaluate the degree of thermal evolution for source rocks, including: 1 optical indicators, i.e., vitrinite reflectance, bitumen reflectance, sporopollen color and thermal alteration index, conodont color alteration index, and reflectance of fossil fragments; 2 chemical indicators, i.e., the maximum temperature in pyrolysis of organic matter, methyl phenanthrene indicator, the atomic ratio of H/C, carbon isotope indicator, and biomarker indicators; 3 indicators of spectroscopy, i.e., the free radical concentration of kerogen, the average structural scale of aromatic nucleus of kerogen, and the laser-Raman spectrum of organic carbon.

摘 要：当前常用的有机质成熟度指标包括3大类：1 光学指标，包括镜质体反射率、沥青反射率、孢粉颜色、热变指数(thermal alteration index， TAI)、牙形石色变指数(color alteration index， CAI)和生物碎屑反射率；2 化学指标，包括有机质最大热解峰温度、甲基菲指数(methyl phenanthrene indicator， MPI)、H/C原子比值、碳同位素指标和生物标志物指标；3 谱学指标，包括干酪根的自由基浓度、干酪根芳核平均结构尺寸和有机碳激光拉曼光谱。

In order to discuss in front of the rat movement the replacement spleen to the liver,the hepatic glycogen content and the free radical metabolism inflience,stochastically divides into 18 SD ratQuite control group, trained control group,trained and reinforcing the spleen group,increases progressively the after 7 weeks to run the Taiwan training,after the examination quota load,examines the liver glycogen,the hepatic glycogen,the blood serum third the content and the blood serum superoxide diaorutase activeness as well as SOD/MDA value.

为了探讨补脾益气对慢性疲劳运动大鼠肝糖原、肌糖原含量和自由基代谢的影响，将24只SD大鼠随机分为安静对照组、训练对照组、训练补脾组，经7周递增负荷跑台训练建立动物模型，检测定量负荷后肝糖原、肌糖原、血清丙二醛含量和血清超氧化物歧化酶的活性以及SOD/MDA值。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。