STUDY OF CrF_3/ AlF_3 CATALYST FOR SYNTHESIZING HFC 134a AS A SUBSTITUTE FOR CFC 12 ⅵ. Multifunctional Catalyst for Synthesis of Fluorohydrocarbon 合成CFC-12替代物HFC-134a的CrF3/AlF3催化剂的研究Ⅵ.合成氟代烃的多功能催化剂
Cruces of nursing acute fluorohydrocarbon poisoning 急性有机氟中毒护理要点