Gases for electronic industry . boron trifluoride 电子工业用气体三氟化硼
Boron trifluoride proportional counter 三氟化硼正比计数管
Boron trifluoride catalyst 三氟化硼催化剂
Boron trifluoride counter 三氟化硼计数管
Bf4 counter tube 三氟化硼计数管
Using bf3 - et2o as a catalyst , the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization 烯丙醇和环氧氯丙烷在三氟化硼乙醚络合物的催化作用下进行加成和环化反应制得标题化合物。
Using bf3 - et2o as a catalyst , the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization 摘要烯丙醇和环氧氯丙烷在三氟化硼乙醚络合物的催化作用下进行加成和环化反应制得标题化合物。