以二羧酸和异丁醇为原料,用硫酸作催化剂,合成二羧酸二异丁酯.The diisobutyl dicarboxylate was prepared by using acid and isobutanol as material and acid as catalyst.以冰醋酸、异丁醇为原料,硫酸高铈为催化剂合成乙酸异丁酯.A method for synthesis of isobutyl acetate based on ceric ...
Isabelle placed a wine cup on the table within his reach.伊莎贝尔把酒杯放在桌上他伸手可及的地方。He placed the ball and tried a couple of feints.他把球放好，试着虚打了几下。We had kept its presence hidden with a strategically placed chair.我们用一张摆放得很巧妙的椅子将...
Today his programme is syndicated to 500 stations.今天他的节目将在500多家电视台播出。His column is syndicated throughout the world.他的专栏文章在世界各地的报刊发表。Myssi is well known in Finland for her quirky food column, which is syndicated across th...
Chichester正是因为对合恩角的恐惧才开始他的那次航行的.Chichester's voyage began because he was terrified of Cape Horn.证券公司的章程应当对合规总监的地位、职责 、 任免条件和程序等作出规定.Rule of Securites companies shall prescribe on position and responsibility, and rem...
Confabulation is an important type of false memory.虚构是虚假记忆的重要类型之一.But the psychological mechanisms and neural basis of confabulation are not understood yet.但是虚构的神经基础和心理学机制目前仍不十分明了....