a white crystalline insecticide that has low toxicity for mammals; is used in home gardens; extracted from the roots of derris and cube
双语例句
用作名词 (n.)
The process for preparation of isorotenone from rotenone by catalyst AlCl3 is feasible, and the reaction condition was mild. 实验结果表明，三氯化铝催化鱼藤酮异构化的方法可行，反应条件温和。
The effects of some physical factors and chemical substances on the induction, growth and biosynthesis of rotenone of calli were investigated. 目前，市场上鱼藤酮的主要来源是通过栽培鱼藤根获得，占用大量的耕地，生产时间长，生产成本过大，在推广应用时受到一定的限制。
