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自由基化学
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  radical chemistry
     Organic Chemistry in Neurodegenerative Disorders Physical Organic Chemistry and Bioorganic Free Radical Chemistry of Prion Protein
     脑神经退行性疾病中的有机化学——朊病毒(疯牛病)中的蛋白物理有机化学和自由基化学
短句来源
     This review deals with the new progress and applications of perfluoroalkyl iodides in organometallic chemistry, radical chemistry and organic syntheses.
     本文讨论了全氟烷基碘化物在金属有机化学、自由基化学以及有机合成上的新进展与应用。 近来对全氟烷基腆化物的研究兴趣日增,主要因为由R班(全氟烷基碘化物)可以方便地获得各种全氟烷基的金属有机化合物和各种全氟烷基自由基.
短句来源
  free radical chemistry
     Organic Chemistry in Neurodegenerative Disorders Physical Organic Chemistry and Bioorganic Free Radical Chemistry of Prion Protein
     脑神经退行性疾病中的有机化学——朊病毒(疯牛病)中的蛋白物理有机化学和自由基化学
短句来源
  “自由基化学”译为未确定词的双语例句
     Investigation on the Radical Pair Mechanism of Chemically Induced Dynamic Electron Polarization of Photolyzed Radical
     光解自由基化学诱导动态电子极化的自由基对极化机理研究
短句来源
     The chemistry of free radicals is one of the advanced subjects of fundamental sciences such as biomedicine, environment protection, new energy sources and new material.
     自由基化学是生物医学、环境保护、新材料和新能源开发等基础学科的前沿课题之一。
短句来源
     Electroanalytical chemistry is one of the useful tools for the study of organic drugs, because of its obvious advantages in identifying the effective compositions, studying the metabolism kinetics and analyzing the clinical mechanism and effect of drugs.
     近几年来有机药物的极谱催化波得到了较为深入的研究,在提高分析灵敏度、研究电极过程以及自由基化学等方面发挥着重要的作用,已经成为电分析化学研究的一个重要分支。 开展这一方向的研究为生物医药研究提供了理论基础和实用依据,对于拓宽电分析化学的应用范围具有重要意义。
短句来源
     During the past two decade, hydroxyl radical (OH.) chemistry has attracted wide interest in oxidation technologies in wastewater treatment.
     在过去的二十年里,羟基自由基化学在污水处理氧化技术领域受到了广泛的重视。
短句来源
     During the past two decade, hydroxyl radical(·OH) chemistry has attracted wide interest in oxidation technologies in wastewater treatment.
     在过去的二十年里,羟基自由基化学在污水处理氧化技术领域受到了广泛的重视。
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  相似匹配句对
     The Chemistry of Addition Reaction of Organicthiyl Radieal
     有机硫自由基的加成反应化学
短句来源
     Chemical Functionalization of Carbon Nanotubes by Hydroxyl Radical
     羟基自由基对碳纳米管的化学改性
短句来源
     Electroless Copper Plating
     化学镀铜
短句来源
     The Chemistry of Retardation of Combustion
     阻燃化学
短句来源
     FREE RADICAL'S SCAVENGING
     自由基的清除
短句来源
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  radical chemistry
The history and modern problems of free radical chemistry.
      
The history and development of free radical chemistry and its derivatives in Russia and other countries are presented here.
      
Many edifying and amusing moments in free radical chemistry are recalled in this review.
      
The exceptional perspectives of free radical chemistry are shown.
      
Laser-spectroscopic laboratory studies of atmospheric aqueous phase free radical chemistry
      
更多          
  free radical chemistry
The history and modern problems of free radical chemistry.
      
The history and development of free radical chemistry and its derivatives in Russia and other countries are presented here.
      
Many edifying and amusing moments in free radical chemistry are recalled in this review.
      
The exceptional perspectives of free radical chemistry are shown.
      
Laser-spectroscopic laboratory studies of atmospheric aqueous phase free radical chemistry
      
更多          


This review deals with the new progress and applications of perfluoroalkyl iodides in organometallic chemistry, radical chemistry and organic syntheses.

本文讨论了全氟烷基碘化物在金属有机化学、自由基化学以及有机合成上的新进展与应用。近来对全氟烷基腆化物的研究兴趣日增,主要因为由R班(全氟烷基碘化物)可以方便地获得各种全氟烷基的金属有机化合物和各种全氟烷基自由基.R班也是一个重要的中间体,由它出发可以得到有各种官能团的含氟有机化合物,如一50:CI;一C00H;一poaH;一CF=CF:;一NO:;一Mgl;一X(X表示碘以外的其它卤素);一H;一SR等。另外,虽然在碳氟和碳氢碘化物中,碳

In order to investigate the oxygen free radicals which might be involved in the chemical pathology of human brain tumors, we have examined the activities of three antioxidant enzymes in human brain tumor tissues, taking the normal human brain tissues as controls.

为研究脑瘤的氧自由基化学病理,我们测定了正常人脑组织与脑瘤组织的抗氧化酶活性。结果表明抗氧化酶活性与肿瘤病理类型及恶性程度相关,呈明显规律性变化。脑膜瘤、低恶度及高恶度胶质瘤的超氧化物歧化酶(SOD)活性依次递降,而且线粒体Mn-SOD的降低更为突出;而高恶度、低恶度胶质瘤及脑膜瘤的过氧化氢酶(CAT)及谷胱甘肽过氧化物酶(GSH-px)活性则依次递增。

The CIDEP spectra of photolyzed p - benzosemiquinone radical in different media have been studied experimentally with the highly time resolved ESR spectrometer. In p - benzoquinone solution with ethylene glycol as solvent,emission lines from PBQH'and R(OH)2 were obtained. With ethylene glycol and water mixture as solvent, the spectrum mainly contained six lines from PBQH'. With the addition of some surfactants (TX - 100 and AOT) and increase of their concentration, the strength of PBQH lines decreased gradually...

The CIDEP spectra of photolyzed p - benzosemiquinone radical in different media have been studied experimentally with the highly time resolved ESR spectrometer. In p - benzoquinone solution with ethylene glycol as solvent,emission lines from PBQH'and R(OH)2 were obtained. With ethylene glycol and water mixture as solvent, the spectrum mainly contained six lines from PBQH'. With the addition of some surfactants (TX - 100 and AOT) and increase of their concentration, the strength of PBQH lines decreased gradually to such an extent as to disappear at last. At the same time,lines from PBQ- appeared in the spectrum and increased gradually. On the basis of special properties of the microenvironment in which radicals lied, a polarization transference mechanism and some related physical chemical properties were discussed to explain these experimental results.

用高时间分辨电子自旋共振(TRESR)波谱仪,研究对苯醌(PBQ)在不同的介质中光解苯半醌自由基的化学诱导动态电子自旋极化(CIDEP).实验结果指出,在乙二醇溶液中得到苯半醌自由基(PBQH)和以碳为中心的自由基(R)(OH)_2.在乙二醇/水溶液中,得到以PBQH的六条峰为主的谱线图,然后在该体系中随着加入表面活性剂TX-100,AOT的浓度增加,苯半醌负离子基(PBQ~-)的谱线强度增加,而PBQH的谱线减弱直至消失.本文从自由基所处微环境性质出发,讨论其极化传递机理和有关物理化学性质

 
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