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...
Stationary cars in traffic jams cause a great deal of pollution.交通堵塞中静止不动的汽车产生了大量污染。The train was stationary for 90 minutes.火车停了90分钟。The car collided with a stationary vehicle.小汽车撞到一辆停着的车上。...