在B3LYP/6-311G计算所得的平衡几何构型基础上，分别根据静电势和分子轨道计算研究了分子中-NH2和-N（CH3）2的亲核性，并与偏二甲基肼和卤代烃反应的实验结果进行了对比分析。
On the basis of equilibrated geometrical structure obtained by B3LYP/6-311G method, the nucleophilicity of-N(CH3)2 and-NH2 groups are investigated by electrostatic potential and MO calculations.
甲基多巴和肼屈嗪已经广泛应用于妊娠妇女，它们对胎儿的长期安全性也被证实，ACE抑制剂在怀孕时不应持续应用。
Methyldopa and hydralazine have been most widely used in pregnant women and their longterm safety for the fetus has been demonstrated. ACE inhibitors should not be continued in pregnancy.
常温磁力搅拌下，在十二烷基三甲基溴化铵(DTAB)体系中用水合肼还原硝酸银制备了颗粒细小均匀的纳米银粉。
Silver nanoparticles with uniform diameters were obtained in dodecyl trimethyl ammonium bromide (DTAB) solution at room temperature under magnetic stirring through hydrazine reducing AgNO3.
常温磁力搅拌下，在十二烷基三甲基溴化铵(DTAB)体系中用水合肼还原硝酸银制备了颗粒细小均匀的纳米银粉。
Silver nanoparticles with uniform diameters were obtained in dodecyl trimethyl ammonium bromide (DTAB) solution at room temperature under magnetic stirring through hydrazine reducing AgNO3.
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