苯甲酸类光催化降解和羟基自由基反应的关系。
Relationship between photocatalytic degradation of benzoic acids and reaction with hydroxyl radical.
在水溶剂中用PBN自旋捕捉到了羟基自由基。
The hydroxyl radicals could be trapped by PBN in aqueous solution.
酿酒酵母BD101菌株的金属硫蛋白能清除羟基自由基。
The Cu-metallothionein of Saccharomyces cerevisiae BD101 can scavenge hydroxyl radicals.
利用荧光光度分析法研究了黑色素对羟基自由基的清除活性。
The scavenging of melanin to hydroxyl free radicals was studied by fluorometry.
首次用DEPMPO在小鼠早期胚胎牛捕捉到了羟基自由基。
Hydroxyl radical was trapped by DEPMPO in embryos for the first time.
羟基自由基参与的化学反应属于游离基反应,化学反应速度极快。
The chemical reaction of hydroxyl radical is free radical reaction, whose reaction speed is very high.
同时评价了其对羟基自由基介导的2-脱氧核糖裂解的保护作用。
And the scavenging effects of extracts on hydroxyl radical-mediated 2-deoxyribose degradation were studied.
过氧化氢、臭氧都是比较强的氧化剂,他们都能产生大量的羟基自由基?
Hydrogen or ozone is one of the most strongest oxidants, because they can generate much of hydroxyl radical?
研究了半枝莲多糖的脱色的最佳条件及多糖体外清除羟基自由基的作用。
To find out the best condition for the de-coloration and study of the scavenging effects on hydroxide free radicals in vitro of Scutellaria barbata D.
对有机物的降解机理分析表明,羟基自由基是促使有机物降解的主要活性物质。
The hydroxyl radical was the main active species that promote the organic degradation by studying the mechanism of 4-CP degradation.
研究证明氢气水能通过降低羟基自由基减少全身放射线暴露导致的骨髓干细胞损伤。
Zhang J, Xue X, Han X, et al. Hydrogen-Rich Water Ameliorates Total Body Irradiation-Induced HematopoieticStem Cell Injury by Reducing Hydroxyl radical[J].
羟基自由基(·OH)在废水处理中的应用近年来引起了越来越多研究者的浓厚兴趣。
The application of electrogenerated free hydroxyl radical (·OH)in organic wastewater treatment has aroused wide interest from more and more investigators in the last decades.
经降解得到的羧甲基壳聚糖均具有一定的羟基自由基清除活性,且分子量越小,其抗氧化性能越强。
All degraded carboxymethyl chitosans show certain hydroxyl radical scavenging activity, but the antioxidant activity is stronger at lower molecular weight.
超氧阴离子自由基、羟基自由基的清除能力和还原能力强于胰凝乳蛋白酶酶解物和胃蛋白酶酶解物。
The scavenging capacities of the hydrolysates of WPI catalysted by papain and trypsin on DPPH free radical, superoxide and hydroxyl free radical are stronger than those of the hydrolysates of chymo…
目的研究人红细胞保护蛋白(HRPRP)在体外对羟基自由基(·oh)的清除作用并探讨其抗氧化机制。
PurposeTo study the removal of hydroxyl radicals (· OH) by human red blood cell protect protein (HRPRP) in vitro.
能带弯曲是一种有效杀死病毒的方法,因为这种技术使得电子由紫外线中解脱出来,向前来游荡与水反应产生羟基自由基。
Band bending is an effective way to kill viruses because the technique allows electrons, which were freed by the UV, to travel forward and create hydroxyl radicals by reacting with water.
在中性条件下,羟基自由基间接反应为污泥臭氧破解的主要作用途径,对固相COD释放率的贡献比例为78.7%。
On this condition, hydroxyl radical reaction is the most important mechanism in ozonation which contributes to 78.7% particulate COD release rate.
结果表明,在电解过程中能够产生氧化能力极强的羟基自由基(HO· ) ,使有机污染物以间接氧化的方式降解。
The results show that HO· with very strong oxidizing power can be produced in electrolysis and make organic pollutants degraded in indirect way.
并做了简单的机理探讨,研究表明,染色助剂对催化剂分散性,羟基自由基形成等影响是体系脱色率不高的主要因素。
The dyeing assistants has negative influence on the dispersity of TiO2 particles and the formation of HO, resulting in low decoloring efficiency.
皂甙溶液在较低浓度时对羟基自由基与氧自由基就有一定的清除作用,自由基的清除效果与皂甙的浓度呈显著正相关性。
Low concentration saponins solution can eliminate hydroxy and oxygen free radicel, the effect of eliminating free radicel submits positive pertinence with saponins concentration.
在羟基自由基浓度较高的体系,抗氧剂表现出抗氧化作用;而在羟基自由基浓度较低的体系,抗氧剂反而表现出促氧化性。
In the high hydroxyl radical concentration system, these antioxidants may show antioxidant effect, but in the low hydroxyl radical concentration system, they may promote oxidation.
玉竹糖蛋白对有机自由基(DPPH)和羟基自由基有明显的清除作用,并且随着PDGP质量浓度的增加,清除能力增强。
Glycoprotein on the organic free radical (DPPH) and hydroxyl radical scavenging effect significantly, and with the increase of concentration of PDGP, scavenging ability increased.
高压脉冲气液混合放电利用气相和液相共同放电产生臭氧、双氧水、羟基自由基等活性物质,提高污染物去除效率和电源能量利用率。
Pulsed high voltage gas-liquid hybrid discharge could combine gas phase and liquid phase discharge to produce plenty of active species, such as ozone, hydrogen peroxide, hydroxyl radical etc.
榛子壳棕色素的体外抗氧化性实验表明:其对羟基自由基、超氧阴离子自由基有很好的清除效果,对脂质体过氧化也具有一定的抑制作用。
Hazelnut shell brown pigment oxidation in vitro experiments showed that the pigment had scavenging effects on hydroxyl radical, superoxide anion radical and aliphatic radicals on lipid-per oxidation.
在酸性废水中主要发生臭氧与4 -氯酚分子和4 -氯酚盐离子的反应,而臭氧在水溶液中分解形成的羟基自由基的氧化作用可以忽略。
The main reactions taking place in the acid aqueous solution were those between ozone and 4-chlorophenol and 4-chlorophenol salt ion.
采用密度泛函(DFT)理论中B3LYP方法在6—31G基组水平上对鸟嘌呤(G)受羟基自由基进攻形成的各种可能产物自由基进行几何全优化。
Ab initio DFT/B3LYP calculations at 6—31G basis set level were carried out for the possible product radicals of guanine attacked by·OH.
研究表明,由于具有多酚羟基结构,茶多酚复合体及其单体儿茶素可以有效消除自由基。
Research have shown that the structure of phenolic hydroxyl can effectively dispelling the free radical.
研究2-乙基-3-羟基-6-苯硫基-4(1H)-吡啶酮(HPP)对羟自由基和超氧阴离子自由基的影响。
The effects of 2-ethyl-3-hydroxy-6-phenylthio-4(1H)-pyridinone (HPP) on hydroxyl radical and superoxide anion radical scavenging activity was studied.
研究2-乙基-3-羟基-6-苯硫基-4(1H)-吡啶酮(HPP)对羟自由基和超氧阴离子自由基的影响。
The effects of 2-ethyl-3-hydroxy-6-phenylthio-4(1H)-pyridinone (HPP) on hydroxyl radical and superoxide anion radical scavenging activity was studied.
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