重键

X3Si~+与具有三重键的小分子配位的量子化学研究

Quantum-Chemical Studies on Coordination Between X_3Si ~ + and AB Containing Triple Bond

Mo和Re（n-1）f轨道在双核四重键卤化物中的作用

The role of ( n-1 ) f orbitals of Mo and re atoms in the dinuclear quadruple bonded halides

对δ→δ~电子跃迁光谱的近似估算同样表明，在这些过渡金属双核卤化物中，金属（n&1）f轨道对四重键的形成起了重要作用。

In addition , calculations on the 6 - , 6 , electronic spectra also showed that the ( n - 1 ) f orbitals played an important role in the bond formation in these transition-metal dinuclear halides quadruply bonded .

合成多肽疫苗研究进展含硅重键化合物

Progress in Synthetic Peptide Vaccine Compounds with Sillcon Multipe Bond

含三重键有机小分子定域分子轨道的理论研究

A theoretical study of localized orbital of the molecules concerning triple bonds

因此，探索新的构筑碳碳重键的方法具有重要的理论和实际意义。

So it is academic and practical significance to explored new methods for constructing carbon-carbon multiple-bond .

我们看到3对成键电子所以这是一个三重键，它确实是多重键。

We see three bonding pairs so this is a triple bond , indeed a multiple bond .

由于这类化合物结构的特殊性，在有机合成领域，尤其是在重键化合物的合成方面起着非常重要的作用。

Because of their characteristic structure , they play very important roles in organic synthesis , especially in synthesis of double bond compounds .

以结构为基础，以电子效应为主线，讨论了碳碳重键自由基加成反应的特点，特别着重研究了自由基加成反应的定位规律以及定位效应指数的应用。

This essay , based on structure , electron effect as the main course , discusses the characters of alkene 's free redical addition reaction , especially studying the location laws of free redical and the practice of location effect index .

阿瑟再次按下重设键。

Arthur pushed the button again .

结果表明，音码输入法原评测结果中存在一些误差较大的数据，输入法的平均码长和重码字词键选率两个性能指标未能达到国家标准。

The average code length and coincident code key selecting rate of Chinese characters and words of this Pinyin encoding input method failed to meet the National standards .

预先形成的重链二硫键有助于HLA-A2-抗原肽复合物体外折叠

Improvement of refolding efficiency of HLA-A2-peptide complex in vitro by preformed disulfide bonds in heavy chain

简要综述了重主族多重键，尤其是重主族累积多烯化合物的合成及结构表征和理论研究方面的最新进展。

This paper briefly summarized the new progress of theoretical studies on synthesize and characterize the compounds with multiple bonds between heavier main group elements , especially heavy cumulenes .