free radical的例句大全

Tetrafunctional peroxide is a new type of initiator for free radical polymerization. The polymerization process initiated by tetrafunctional initiator is more complex since there are more than one active group in it.

四官能度过氧化物引发剂是一种新型的自由基聚合引发剂，其分子中含有四个过氧键，使聚合过程变得复杂。

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Aim To study the effects of 9 ( 4 ethoxycarbonylphenoxy) 6,7 dimethoxy 1,2,3,4 tetrahydro acridine ( EDT) on free radical induced injury in primary cultured rat cortical neuron and cerebral ischemia in mice.

目的考察9（4乙氧羰基苯氧基）6,7二甲氧基1,2,3,4四氢吖啶盐酸盐（EDT）对自由基致原代培养大鼠皮层神经毒及小鼠脑缺血损伤的影响。

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Experimental Study on Oxygen Free Radical Scavenging Effect of Glycyrrhizae Total Flavonoids

甘草总黄酮对氧自由基清除作用的实验研究

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Comparative Experiments on Free Radical Scavenging Activities of Extracts From Some Ground Drive Plants

几种地被植物清除自由基活性比较研究

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The free radical scavenging ability of the pepper extract was investigated.

研究了胡椒提取物的自由基清除能力，结果表明：胡椒提取物对过氧化氢的清除能力较强，随着胡椒提取物浓度的增加，其对过氧化氢的清除能力逐渐增强。

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The antioxidant mechanism was related to the scavenging activities to lipid free radical.

抗氧化机理与其对脂自由基清除活性有关。

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Study on Free Radical Scavenging Capacity by Cassia Seed Water Extract in vitro

决明子水提物体外清除自由基活性的研究

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2,2,6,6-Tetramethyl-1-piperidine-N-oxyl free radical was synthesized by two steps.

2,2,6,6-四甲基哌啶氮氧自由基的合成分为两步。

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Both EFF and EFY exhibited high SOD activity and free radical scavenge ability.

具有提高SOD活性，清除自由基的作用；

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Back-tracking simulation of constant temperature operation switch and dynamic problem of products design in free radical polymerization process is completed and validated in this simultaneous approach.

应用该求解方法进行了自由基聚合反应恒温操作切换的回溯模拟及产品设计动态优化，验证了方法的可行性。

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Addition of inhibitor on free radical ( tert-butyl alcohol) reduced ozone degradation of 2,4-D obviously, showing the importance of free radical reaction path on the 2,4-D degradation.

自由基抑制剂（叔丁醇）的加入，显著降低臭氧化反应去除2,4-D的效果，自由基参与的反应历程对于2,4-D的降解十分重要。

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In the section of summary, first from the reasons of senility, several theories were brought up ( including poisoning theory% immune theory~ endocrinic theOry~ crosslinking theory.~ genetic theory and free radical theory).

本研究在综述部分，首先从衰老的原因入手，提出了中毒学说、免疫学说、内分泌学说、交联学说、基因遗传学说及自由基学说。

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The stability of carbocation was quantified with the penetrating shielding constant SR' ( C) obtained basing on. the ionization energy Ip of carbon free radical.

用碳自由基的电离能计算其屏蔽一钻穿常数S（R（C））~′，可定量碳正离子的稳定性。

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The reaction of thermolysis of dibenzyl and phenyl benzyl ether are first Order and can he explained by free radical mechanism. Experimental rate constants are well consistent with the results of thermochemical kinetics CalCulation.

二苯乙烷和苯基苄基醚的热解有一级反应特征，其反应机理为自由基过程，反应速度方程和速度常数的理论计算与实验结果完全一致；

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Then comparing the variety of different free radical spin trapping agents' thermodynamic energy of the spin adduct, the reaction enthalpy is to determine a more stable structure among spin trapping agents, which is validated through experiments. 2.

并通过比较各种自旋捕捉剂不同自由基自旋加合物的热力学能量，反应焓变，生成热，确定了较稳定的自旋捕捉剂结构，并通过实验验证了这种结构的稳定性。

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Conclusion Attenuation of AGEs-induced TGF-β_1 and CTGF mRNA overexpression in renal fibroblasts through scavenging of free radical and inhibition of oxidative stress may be one of mechanisms underlying EGb in prevention and therapy of DN.

结论银杏叶提取物可能通过清除自由基，抑制氧化应激反应而拮抗肾间质成纤维细胞中AGEs诱导的TGF-β1和CTGF mRNA过表达，可能是EGb防治DN的作用机制之一。

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Currently it mainly used in the treatment of cerebral ischemia, and the study of the treatment of RA rarely carried out through its free radical scavenging.

目前主要应用于脑缺血的治疗，其通过清除自由基治疗RA的研究报道很少。

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The Studies of Free Radical Reactions by Using Time-resolved FTIR Emission Spectroscopy

时间分辨红外发射光谱法对自由基反应的研究

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Aging Changes of the Neuron and Neurotransmitter and Analysis of Free Radical in Hippocampus-Exploring Nervous Base of Senile Memory Deficit

海马神经元和神经递质的衰老性变化及自由基分析&探讨老年性记忆减退的神经基础

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It is concluded that a keto-enol tautomeric equilibrium of the amine radical anion existed in the solution, which is believed to be the first example of keto-enol tauto-merism concerning a stable free radical.

结果表明该自由基负离子在溶液中以酮-烯醇互变异构体存在，这可能是在稳定自由基中发现存在酮-烯醇互变异构平衡的首例。

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