释义 |
trimethylammonium 英traɪmiːθɪlæ'məʊnjəm美traɪmiːθɪlæ'məʊnjəm BNC²³⁶²¹³⁺¹ 基本例句 n.三甲铵¹⁰⁰ A high substitution cationic starch was prepared by a damp- dry process from starch and 2,3-epoxy propyl- trimethylammonium chlorideEPTMAC. 以2,3环-氧丙基三甲基氯化铵为阳离子化试剂,采用半干法合成了季铵型阳离子淀粉。 cnki In the reaction, methods of temperature subsection reaction were adopted, and epichlorohydrin was continuously dropped to the solution of trimethylammonium. 采用分段升温的反应和环氧氯丙烷向三甲铵盐酸盐水溶液中连续滴加的反应方式。 dictall |