optically active atom 光激活原子
surface-active atom bi 表面活化原子bi
active atom Tin 活化锡原子
active hydrogen atom 活性氢原子
active F atom 活性F原子
optically active carbon atom 光学活性碳原子
active chlorine atom 活性氯原子
active nitrogen atom 活性氮原子
Moreover, diffusing thickness in unit time of active atom tin increased with the temperature firstly and then decreased with the time at the same temperature.
而单位时间内锡原子扩散厚度随温度升高增长较快，同一温度下单位时间内锡原子扩散层随时间增加呈现先增加后减小的趋势。
To explore the role of the bridged N atom for a possible proton transfer in the active site of hydrogenase, we tried to introduce a hydrogen bond into a couple of designed molecules.
为研究氢化酶活性中心氮桥结构中氮原子是否起到质子摆渡的作用，设计了在分子内引入氢键的结构。
The number of active hydrogen atoms attached to nitrogen atom of different classes of amine determine their effectiveness in extraction of metals by solvation.
根据与氮相连结的活性氢原子的多寡与有无，讨论了伯、仲、叔胺类溶剂化能力的强弱。
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