Both the free hydroxyl groups readily undergo esterification.
两个自由羟基，都容易酯化。
The free hydroxyl ion is involved in a further reaction with the silica network.
游离的氢氧离子会进一步和硅氧网路反应。
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。
These compounds are soluble in water, and contains the hemiacetal hydroxyl free, so in alkaline solution can reduce silver ions and copper ions.
这些化合物能溶于水，并含有游离的半缩醛羟基，所以在碱溶液中能还原银离子和铜离子。
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。
Aim To establish the method of simultaneous measurement of hydroxyl free radical and monoamines neurotransmitters and their metabolites from brain dialysates of rats.
目的建立同时监测脑透析液中羟自由基和单胺类递质及其代谢产物水平的方法。
The striatum, hippocampus hydroxyl free radical(OH ·), ATP content and DA were determined by high performance liquid chromatography(HPLC).
应用高效液相色谱测定纹状体和海马羟自由基（OH· ）、三磷酸腺苷（ATP）和多巴胺（DA ）含量。
Abstract: This paper researched the clearing ability of different extracts of zinc-rich mushroom mycelium on oxygen free radicals and hydroxyl radicals and on T-SOD activity.
摘要：本文就富锌香菇菌丝体的不同溶剂提取物对氧自由基、羟自由基的抑制能力和T - SOD活力进行了测定。
The scavenging of melanin to hydroxyl free radicals was studied by fluorometry.
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。
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。
About activity of scavenging hydroxyl free radical, distilled liquid by using methanol is observably higher than that getting by using ethanol or ddH20.
在清除羟自由基的活性上，类黄酮化合物甲醇提取液要明显的高于乙醇和水提取液的清除活性。
Compared with polyethylene as a standard sample, GAP has higher surface free energy because there are many hydroxyl groups and azide group in the surface of the GAP molecule.
与聚乙烯相比，GAP的总表面的自由能较高，这主要是因为GAP表面含有羟基和叠氮基团。
Research have shown that the structure of phenolic hydroxyl can effectively dispelling the free radical.
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。
ObjectiveTo study the extraction and identification of total flavonoids from Eriocaulon buergerianum Koern and its Scavenging activity on hydroxyl free radical.
目的探讨谷精草总黄酮的提取、鉴别及对羟自由基的清除作用。
Effect of PRL on red blood cell hemolysis and lipid peroxidation induced by hydroxyl free radical were analysed by colorimetric assay.
比色法测定prl对羟自由基诱导红细胞溶血、脂质过氧化反应的影响。
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…
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 high quality high-solids hydroxyl acrylic resins with low viscosity were prepared by free radical polymerization.
合成的改性物对羟基树脂有极好的相容性，可以与羟基丙烯酸树脂配成涂料。
The dehydration of laterite could be divided into steps of removing free water, crystal water and hydroxyl group at different temperature.
在升温过程中，得到了原矿主要矿物中自由水、结晶水和羟基的脱除温度区间。
This thesis primarily concerns whether ultraviolet radiation can induce the cross-linking DNA inter-strands and whether by hydroxyl free radical, HO.
本论文主要研究紫外光是否能引发DNA股间交联和是否由通过活性氧化物——自由基所引发。
It applied hydroxyl silicone oil to improve the toughness of the system due to obvious decrease of the impact strength of halogen-free fire-retardant system.
针对无卤阻燃体系韧性下降很大的缺点，采用羟基硅油进行改性。
RESULTS: Hydroxyl free radical increased the content of MDA, decreased membrane fluidity, alleviated blocking degree, and caused lipid peroxidation of erythrocyte ghost.
而红细胞膜经一定量橙皮苷预先处理后，膜MDA含量明显减少；膜脂流动性和膜重封闭能力可显著提高。
RESULTS: Hydroxyl free radical increased the content of MDA, decreased membrane fluidity, alleviated blocking degree, and caused lipid peroxidation of erythrocyte ghost.
而红细胞膜经一定量橙皮苷预先处理后，膜MDA含量明显减少；膜脂流动性和膜重封闭能力可显著提高。
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