由脂肪醇、甲胺一步催化法制取烷基二甲基胺.Alkyl dimethylamine is made from fatly alcohol and dimethyla - mine by one stage catalysis.二手甲胺回收装置和工艺, 成套甲胺装置和工艺可以在世界各地重新安装.Used Methylamines Plant and Process, complete Methylamines Plant and Proce...
Baby ball pythons will feed readily on half - grown mice.小球蟒愿意吃半大老鼠.The pythons have even been known to devour the odd alligator.这些大蟒已经因吞噬稀有的短吻鳄而被尽人皆知.Old World boas: pythons; in some classifications considered a separat...
First, they have used considerable imagination in defining what Chevron calls the " precise question at issue. "首先, 法院运用了相当的想象来界定“切弗伦”案所称的 “ 有争议的确切问题 ”.The extra chevron must add a new distance calculation to the existin...