Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
环物,环硫
物和乙烯亚胺也可以按类似于环
?睦胱拥幕?理进行聚
。
Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
环物,环硫
物和乙烯亚胺也可以按类似于环
?睦胱拥幕?理进行聚
。
This paper discussed study on the development physi cal and chemical properties,crop safety,and application prospect of fosamine amm onium in China.
评述了调膦的开发、特性、安全性及其在中国的应用前景。
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