Afterchloroform was evaporated , it was used as chelate complex chromatographic stationary phase to purify puerarin extractive.建立了采用配位色谱柱从葛根素浸膏中分离纯化葛根素的方法.The train was stationary for 90 minutes.火车停了 90 分钟。Electrostatics...
然而奋斗的结果只给他招来了更多的烦恼和更多的敌人.But his struggles only brought him more troubles and more enemies.不少穷人和新富起来的人都把他看成是个人奋斗的典范.He was idealized as an individualist by many poor or newly rich.他们奋斗的目标是消灭天花.Their goal was to eradicate...
Parallel lines will never meet no matter how far extended.无论延伸多长,平行线永不相交。How far did the film tell the truth about Barnes Wallis?影片讲述的巴恩斯·沃利斯的故事有多少真实的成分?"If we pay players, how far do we go?" Gresson asked pertinently.“如...