整个这个反应称为电子亲合。
从绝对硬度与离子半径的关系导出一个高价离子电子亲合能的计算模型。
A new calculating model was derived from the relation of absolute hardness to the radii of polyvalent ions.
这些负离子对应元素的电子亲合势大部分接近或小于零,负离子难以形成。
The formation of negative ions from these elements is difficult dut to electron affinity of these negative ions is near to or less than zero.
讨论了芴酮衍生物的电子亲合势、脂肪胺的电离势及其空间位阻对相互作用的影响。
The influence of electron affinity of nitrofluorenone derivatives, ionization potential of aliphatic amines and ste-ic hindrance on their interreactions have been discussed.
没有比氟更适于此要求的了。 不过,OH、CN和CCH也都是带有高电子亲合性的小配体。
Of course, this requires a small electronegative coligand, of which F has no superior; but OH, CN, and CCH are also small ligands with high electron affinities.
探讨碱性、溶剂极性、离去基团、吸电子基团、亲核试剂的亲核性对反应影响。
There are impact factor to be discussed such as solvent polarity, nucleofuge, attract electron group the nunucleophilicity of nucleophilic reagent.
结论具有亲电子集团的GMA能与DNA带负电荷中心反应形成GMA - DNA加合物。
Conclusions GMA with electrophilic group could react with negatively charged centers on DNA and form GMA DNA adducts.
并且对亲核试剂的体积效应、溶剂效应对亲核性影响,底物上吸电子基团的数目、吸电子能力对亲电性的影响,以及亲核取代反应的发生部位受哪些因素影响进行探讨。
At the same time, discuss about the impact factor to nucleophilicity such as the number of attract electron group, ability of attract electron and the nucleophilic substitution reaction part.
利用甲醇等离子体对硅橡胶进行表面亲水改性,并利用光电子能谱和接触角测量研究了表面亲水改性效果和表面动力学性质。
In this paper, surface modification of silicone rubber by methanol plasma was studied by the aid of XPS and contact Angle technique.
结论:四逆汤能诱导GST基因的表达,GST能催化谷胱甘肽与亲电子物质发生结合反应。
CONCLUSION :Sini decoction can promote the expression of GST gene, which may be related to its protective effect on ischemic myocardium.
大部分的遗传毒性致癌物是与DNA结合的亲电子试剂,它们直接与DNA相互作用,形成共价键,从而形成DNA -致癌物复合体,或称之为dna加合物。
Most of Genotoxic carcinogens are electrophiles that bind with DNA, and they interact directly with DNA and form covalent bond, resulting in DNA-carcinogen complexes, or DNA adducts.
大部分的遗传毒性致癌物是与DNA结合的亲电子试剂,它们直接与DNA相互作用,形成共价键,从而形成DNA -致癌物复合体,或称之为dna加合物。
Most of Genotoxic carcinogens are electrophiles that bind with DNA, and they interact directly with DNA and form covalent bond, resulting in DNA-carcinogen complexes, or DNA adducts.
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