正电性的 meaning in English

electropositive

With 2 , 2 " - azobis - 2 ( amidineopropane ) dihydrochloride ( v5o ) and ammonium persulphate ( aps ) being used as initiator , the cationic and anionic nanoparticles polystyrene ( ps ) latex were synthesized via emulsion polymerization respectively
通过使用过硫酸铵和偶氮二异丁脒盐酸盐作引发剂，利用乳液聚合法制备了粒径约为100nm ，表面分别为负电性和正电性的ps (聚苯乙烯)乳胶粒。