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- In chapter 4, we report synthesis and ESR Spectrum study of C60-polystyrene by free radical reaction of polystyrene and C60 under UV photoinitiator. 用相同方法合成得C60或C70-苯乙烯-顺丁烯二酸酐，C60或C70-苯乙烯-丙烯酸三元共聚物，用1H NMR，UV-Vis及FTIR，GPC，DSC技术对三元共聚物作了表征，发现富勒烯-苯乙烯-丙烯酸共聚物分子量比空白二元共聚物高，它们均溶于THF，DMSO及水。
- The mechanism was probably related with the inhibitation of free radical reaction, increasing of antioxidase activity and clearing of aged products. 提示加味温胆汤具有抗衰老的作用，其作用机理可能与其抑制自由基反应，提高抗氧化酶活性及清除老化产物有关。
- The mechanisms contributed to ischemic brain injury involve excitotoxicity,calcium overload,free radical reaction,depolarization surrounding infarct,inflammation and apoptosis. 兴奋毒性、钙超载、自由基反应、梗死周围除极、炎症和凋亡是造成缺血性脑损伤的中心环节。
- The ligum in sesame not only has the antioxygenic activity that blocks the free radical reaction but also has been proved to have many physiological function. 芝麻中的木酚素类物质不但具有阻断自由基反应的抗氧化性能,而且已经证实具有很多生理功能。
- Cell membranes rich in EPA and DHA are, however, more susceptible to peroxidation by free radical reactions. *有证据表明鱼油还能治疗偏头痛、喘、皮癣、溃疡、症和某些与糖尿病相关的疾病。细胞膜虽然富含epa和DHA，然而也却容易遭到自由基的破坏。
- In chaper 4 and 5, the mechanism of double radical reaction CH_3S with HCS and ClO are surveyed. CH_3S的脱氢是以消去分子H_2的机理进行的，并非以逐级消去原子H机理进行；
- We have studied the regioselectivity of this new radical reaction and proposed the mechanism. 并且进行了不对称1，3-二酮自由基反应化学选择性的初步研究，提出了反应机理。
- The experimental results indicated that characteristics of organic in radical reaction directly affected degradation efficiency of catalytic ozonation. 结果表明，有机物在自由基链反应过程中的特性直接影响催化臭氧化的降解效率。
- On Free Radical Reaction and Influential Factors 论自由基反应及其影响因素
- When the target organic was formic acid (a promoter of radical reaction in ozonation), a radical initiation reaction could obviously enhance the ozoantion efficiency. 当目标有机物是对链反应具有促进作用的甲酸时，自由基引发反应可以明显提高甲酸的臭氧化效率。
- Radical reaction is an important tool in organic synthesis because of its moderate reaction condition, good regioselectivity and stereoselectivity.It has attracted many chemists research interest. 自由基反应具有反应条件温和、高的区域和立体选择性等优点，是有机合成中的重要工具，近年来受到学术界的广泛重视。
- The spectrum analysis of adduct,producced via the reaction between the in-termediates and phenyl N-tert-butylnitrone(PBN), showed that a radical reaction anddesulfonation mechanism have been proved. 通过中间产物与苯亚甲基叔丁基氮氧化物（PBN）加合物的波谱分析，证实了该反应为自由基反应并遵从脱磺酸基的反应机理。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- The polar concepts of the physical organic chemist are relevant to radical reactions. 物理有机化学家的极性概念能够适用于基反应。
- Keywords Bilirubin;Biliverdin;Hydroquinone;Free radical reaction; 胆红素;胆绿素;氢醌;自由基反应;
- Keywords CIDNP;benzodioxoles;benzoquinone;free radical reaction; 胡椒基类化合物;苯醌;自由基反应;
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- radiation-induced radical reaction 辐射诱导自由基反应
