链转移氢、其它原子或反应种转移到反应体系的化合物中(单体、引发剂或溶剂),从而导致聚合物增长终止,这种情况称为链转移。
A growing polymer is terminated by the transferred of a hydrogen or other atom or species to it from some compound present in the system-the monomer, initiator, or solvent, as the case may be.
红外光谱分析表明,甲基丙烯酸单体在聚丙烯大分子链的叔碳原子上发生接枝共聚。
IR analysis shows that graft copolymerization takes place on the tertiary carbon atom of PP molecular chain.
提出平均场壳模型下原子核单体密度矩阵的一种计算方法,验证该方法的可靠性。
A method calculating one body density matrix of nucleus in the mean field shell model is proposed.
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