这些参数导致了特定固定相的分离行为.These parameters contribute to the chromatographic behaviour of a particular stationary phase.方法使用薄层色谱法, 以硅胶 GF254 为固定相.Methods: TLC method was applied , the stationary phase was GF _ ( 254 ).考察了一些手性化合物...
To minimize channeling effects, the GaAs target should be misaligned from the axis of the beam.为了使沟道效应最小, GaAs靶应稍偏离离子束的轴向.Such information includes clairvoyance, telepathy, and modalities of channeling soul through form....
He persisted that he did the work alone.他坚持他一个人做那件事。His parents tried to discourage his interest in music, but he persisted.他的父母设法打消他对音乐的兴趣，但他始终坚持。His parents tried to discourage his interest in music, but he persisted.....
A picture of his girlfriend Sheryl had been splashed in the previous weekend's tabloids.他的女友谢里尔的一张照片被刊登在前一周末各家通俗小报的显眼位置上。But there was something special about Sheryl from the start.只是从一开始,谢乐尔就表现出了不同常人之处.Tom thinks S...
The platoon made its way to the pre-arranged rendezvous in the desert.这个排向事先约定的沙漠中的会合点进发。In his platoon he had thirty-two men.在他的排里有32名士兵。Holding the mountain pass , our intercepting platoon blazed away at the enemy.我方狙击...
Their troops were hemmed in on three sides by enemy detachments.他们的军队被敌军三面包围.I can't stand the cool detachments from my antagonists!我不能忍受来自我那些反对者的冷眼!The detachments made use of diversionary tactics to stand the enem...