结果分离得到原百部碱化学单体作为含量测定对照品。
HPLC was used to determine protostemonine content in Radix Stemonae and the optimum condition was chosen.
ABS是由丙烯腈、丁二烯和苯乙烯三种化学单体合成。
ABS is produced by a combination of three monomers: acrylonitrile, butadiene, and styrene.
为了提高丝绸产品的质量，对蚕丝绸辐射接枝化学单体的原理和方法进行了更深入地研究。
In order to improve the properties of natural silk fabrics, the mechanism and method of the radiation induced graft copolymerization of monomers onto natural silk fabrics were more studied.
应用推荐