本文介绍了聚合级乙烯和丙烯中烃杂质的分析方法。
The paper describes the analytical methods of trace level hydrocarbon impurities in pure ethene and propene.
本课题通过选择合理的分散聚合体系，制备出单分散微米级非交联和交联的聚苯乙烯微球。
This paper was aimed at preparing the micro-size mono-disperse PS particles and mono-size crosslinked polystyrene microspheres (CPS) by dispersion polymerization.
采用无皂乳液聚合法制备了具有单分散性的微米级聚苯乙烯微球。
The monodisperse micron-size polystyrene particles were prepared by emulsifier-free emulsion polymerization.
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