本文借助最大重叠杂化轨道理论，研究了卤代甲烷系列分子的红外伸缩频率，基团电负性和质子酸度等分子性质与结构的关系。
The maximum overlap method was used to study the relationships the C-H stretching frequencies, group electronegativities and proton acidity properties and the molecular structure in the halomethanes.
本文对自来水中三卤代甲烷的形成原因进行了研究，提出了自来水中三卤代甲烷污染的防治途径和三卤代甲烷的几种清除方法。
Studying the reason of forming Trihalogenated Methane in water supply, this paper presents some methods of preventing pollution and clearing off Trihalosenated Methane.
但事实上是已知汇远远大于已知源，且各个源汇的通量在不同研究中结果差异较大，归其原因是卤代甲烷释放与吸收机制的不确定性。
In fact, identified sinks outweigh known sources and fluxes of each source and sink have great discrepancy in different results, this is due to uncertainty of gas production and degradation mechanism.
但事实上是已知汇远远大于已知源，且各个源汇的通量在不同研究中结果差异较大，归其原因是卤代甲烷释放与吸收机制的不确定性。
In fact, identified sinks outweigh known sources and fluxes of each source and sink have great discrepancy in different results, this is due to uncertainty of gas production and degradation mechanism.
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