the monovalent group -OH in such compounds as bases and some acids and alcohols

the result of research indicated that the main products of benzene reacting with hydroxyl radical is phenol.

研究结果表明苯在大气中的演化产物主要是苯酚。

in recent years, oxidative damaged dna by hydroxyl radical ( ·oh) has been received much attention.

近年来，羟自由基（ ·oh）对dna氧化损伤已受到广泛关注。

the interaction between bilirubin and copper ions was studied by fluorescence method using 2,2′-bipyridyl as a hydroxyl radical trapper through the hydroxylation of the aromatic compound.

基于2，2’-联吡啶芳环羟基化法，采用荧光光谱研究了胆红素与铜离子相互作用。

on this condition, hydroxyl radical reaction is the most important mechanism in ozonation which contributes to 78.7% particulate cod release rate.

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%。

astronomers have found the hydroxyl radical in the venusian atmosphere.

天文学家已经发现在金星大气中存在羟基。

scavenging effects to hydroxyl radical (·oh) had the best concentration. the scavenging effects would be weakened without it.

对羟自由基（·oh）的清除作用有一个最佳浓度值，高于或低于此值时清除作用均减弱；

strongly hydroxyl radical scavenging ability, and higher than vc.

莱菔多糖还具有很强的羟自由基清除能力，强于vc。

glycoprotein on the organic free radical (dpph) and hydroxyl radical scavenging effect significantly, and with the increase of concentration of pdgp, scavenging ability increased.

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。

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.

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。

hydroxyl radical (oh) initiated photooxidation of toluene was carried out in a home-made smog chamber.

在烟雾腔内进行了羟基自由基启动的甲苯光氧化生成二次有机气溶胶的实验。

hydroxyl radical has the advantages of strong oxidation, rapidly reaction, strong killing effect on oceanic microorganisms, and no second pollution for oceanic environment.

羟基自由基氧化能力强、反应速度快，对海洋微生物具有很强的杀灭效果，反应彻底、无有害残留物。

new research revealed how one class of drugs, the aminoglycosides, unleashes the hydroxyl radical cell death pathway by binding to its target inside the cell.

新的研究揭示氨基糖苷类通过与细胞内部的靶位结合而激活羟基致死细胞路径。

scavenging capability to hydroxyl radical of polysaccharides was lower than vc.

多糖对羟自由基的清除能力较抗坏血酸来说较弱；

hydroxyl radical was trapped by depmpo in embryos for the first time.

首次用depmpo在小鼠早期胚胎牛捕捉到了羟基自由基。

at last, using the hydroxyl radical system, superoxide radical system, the antioxidation activities of crocetin and crocetin dimethyl ester were studied and compared with bht.

采用羟基自由基体系和超氧阴离子自由基体系对藏红花酸及藏红花酸二甲酯的体外抗氧化活性进行研究，并与bht进行比较。

there are close connection between the hydroxyl radical scavenging activity and flavonoids content or polyphenols content.

提取物中总黄酮和多酚类物质的含量与清除羟自由基能力有密切关系。

hydroxyl radical scavenging capacity of different polarity position shows as n-butanol> water phase> ethyl acetate> petroleum ether> dichloromethane;

羟基自由基清除能力大小次序为正丁醇相>水相>乙酸乙酯相>石油醚相>二氯甲烷相；

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.

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。

since the new results suggest that large hydroxyl radical changes are unlikely, such projections become more reliable.

因此，新研究建议，大氢氧化物的彻底改变是不可能发生的，而这样的排放效果也变得更加可信。

the chemical reaction of hydroxyl radical is free radical reaction, whose reaction speed is very high.

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。

finally, the antioxidant activities (superoxide radical and hydroxyl radical scavenging activities) of the free ligand and its complexes were determined in vitro.

最后，研究了配体、配合物清除活性氧自由基（超氧自由基和羟基自由基）的性能。