对甲烷（CH4）、水蒸气（H2O）和正壬炕（n—C9H20）组成的混合气体建立了三相凝结流动数值模型，利用该模型对拉阀尔喷管内甲烷气体中含饱和水蒸......

A new bicyclic alkaloid, 3-phenyl-3-hydroxy-9-methyl-9-azabicyclo [4.2.1] nonane, has been synthesized from tropinone an......

This paper describes the synthesis and free radical ring-opening polymerization of 2-methyl-and 2-methyl-9-n-butyl （-7-me......