It was proved that the modified PVA has ortho-nitrogen radicals by molecular structure analysis through infrared spectrum.
通过红外光谱分析了改性多元醇防塌剂的分子结构，证明阳离子化反应引入了正氮基团；
Under the protection of nitrogen the reaction system does not induce polymerization of acrylamide indicating no generation of free radicals.
在氮气保护下，反应不能引发丙烯酰胺聚合，说明在反应中没有自由基产生。
Under the protection of nitrogen, the reaction system does not induce polymerization of acrylamide, indicating the generation of no free radicals.
在氮气保护下，反应不能引发丙烯酰胺聚合，说明在反应中没有自由基产生。
Ozone can reacts with unsaturated hydrocarbons or nitrogen oxides, and generates numerous free radicals.
臭氧能与不饱和烃及氮氧化物反应，并产生大量自由基和官能团。
The synthesis process of the present invention includes using polymerizing template reagent with several reactive nitrogen-containing radicals, especially diamine reagent.
本发明的合成方法包括使用具有多个反应性含氮基团的聚合模板试剂，特别是二胺试剂。
The synthesis process of the present invention includes using polymerizing template reagent with several reactive nitrogen-containing radicals, especially diamine reagent.
本发明的合成方法包括使用具有多个反应性含氮基团的聚合模板试剂，特别是二胺试剂。
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