农药中文名称： 丁呋喃 农药英文名称： Carbosulfan 限量生效日期： 残留限量值： 食品相关限量： (英国)其他根和块茎类蔬菜中西维因的使用限量规定 (英国)其他根和块茎类蔬菜中克菌丹的使用限量规定
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考察了大孔强酸性树脂对1，4 丁二醇脱水制四氢呋喃的催化作用。
The catalysis of big pore strong acid resin for 1,4-butanediol dehydration to tetrahydrofuran is investigated.
采用丙酮、四氢呋喃、乙酸丁酯和四氯化碳等有机溶剂对双酚a聚碳酸酯(BAPC)进行诱导结晶。
Acetone, tetrahydrofuran, butyl acetate and carbon tetrachloride in liquid state were used to induce the crystallization of bisphenol-A polycarbonate (BAPC) film.
表明该杂多酸盐是一种合成呋喃丙烯酸丁酯的良好催化剂。
Bi-capped Keggin heteropolychromovanadophosphate was synthesized and used as catalyst for the synthesis of butyl furancrylate.
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