这可能与锡离子的电子效应和烷基的空间效应有关。
It is probable that the electronic effect of tin ion and the space effect of alkyl availed to form the unsaturated alcohol.
电子效应,空间效应,溶剂效应对紫外光谱的影响。
The influence of Electronic Effect, Three-dimensional Effect and Solvent Effect on Ultraviolet Spectrum;
所研究化合物的生物降解性主要与取代基的电子效应有关。
It is also shown that the biodegradability of studied compounds is mainly related to the electronic effect of substitute groups.
酸量过小的催化剂抗硫性差则与金属中心缺电子效应较小有关。
The low sulfur tolerance of the catalyst with a low acid amount was attributed to the insignificance of the electron deficiency of the metal particles.
讨论了电子效应对有机化学反应方向、活性及历程等方面的影响。
It discusses how electronic effect affects the orientation, activity and principle of organic reactions.
介绍了能带混合量子阱中的多能谷混合和异质谷间转移电子效应。
The multi valley mixing in band mixing quantum well and the heterostructure intervalley transferred electron effect are described in this paper.
推证了反应历程,研究了原料及产物的分子结构与电子效应关系。
The mechanism of this reaction and the relationship between electron effect and molecular structure of the raw material and the products were investigated.
利用无规相近似,讨论了长波极限强磁场条件下垒D-心的多电子效应。
The many electron effects on the barrier D - center in a strong magnetic field are investigated in the framework of static random phase and long wave limit approximation.
所以oseen力推以“发现光电子效应”的名义给爱因斯坦颁发诺贝尔奖。
So Oseen pushed hard to give the prize to Einstein for "the discovery of the law of the photoelectric effect."
压的大小以及隧道电子效应与建立的界面态所占比例的不同影响器件的恢复率。
It shows that the bias in the post-irradiation recovery period and the ratio of the interface state to the electron tunneling influence the recovery rate.
本文通过对孤对电子效应的研究来阐明孤对电子在分子结构和化学反应上的重要性。
In this paper, importance of the lone pair electrons in molecular structure and chemical reaction is expounded by effect of the lone pair electrons.
从配体间的电子效应、疏水效应和氢键作用等方面对配合物的额外稳定性进行了讨论。
The extra stability was studied based on electronic effect, hydrophobic effect and hydrogen bonding of ligands.
同时,我们还研究了取代基团的电子效应和位阻效应对反应产率和区域选择性的影响。
At the same time, we have also investigated the influence of the electric effect and steric hindrance effect of the substituents to the yields and regioselectivity.
本文根据实验数据和电子效应理论,解释了取代苯甲酸三个同分异构体之间酸性强弱的原因。
This article is based on the experimental datas and electron effects. In this paper, we discussed which acidity of three substitutional benzoic acids were stronger and the reason of that.
中心金属离子周围的电子效应和空间效应影响着催化剂的反应性能和所得聚合物的微观结构。
The steric and electronic configuration around the center metals has profound effect on the polymerization activity and the stereo - and regio-selectivity of the resulting polymers.
本文主要从电负性的大小,离解能、杂化以及电子效应与空间效应等方面对酸碱强度进行了讨论。
This article deals with the influence of electro-negativity, dissociation energy, hybridization, electron effect and size of space effect of the principal elements on the acid-base intensity.
主要从有机化合物的结构出发,分析和判断了电子效应、杂化方式及空间效应等因素对有机分子酸碱性的影响。
From structure of organic compounds, this paper analyses and discusses impact of acids basing activity of organic molecules about electronic effect, hybrid method and steric effect.
研究表明水杨醛亚胺镍配合物中苯环上取代基的电子效应和空间位阻对乙烯聚合活性和聚合物的分子量有所影响。
With increasing the electron withdrawing substituents in the phenoxy ring, the catalytic activity was increased, and the molecular weight of polyethylene decreased.
运用本发明,可有效地降低公知低温多晶硅薄膜晶体管的热电子效应,使得低温多晶硅薄膜晶体管在工作时的稳定性能够有明显的改善。
The present invention can reduce the hot electron effect in low-temperature polysilicon film transistor effectively and raise the stability of low-temperature polysilicon film transistor obviously.
运用本发明,可有效地降低公知低温多晶硅薄膜晶体管的热电子效应,使得低温多晶硅薄膜晶体管在工作时的稳定性能够有明显的改善。
The present invention can reduce the hot electron effect in low-temperature polysilicon film transistor effectively and raise the stability of low-temperature polysilicon film transistor obviously.
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