Deoxygenate was used to remove the remanent oxygen from gas for supplying the high purity gas.脱氧剂用于脱除气体中的微量氧气以提供含氧量极微的高纯气体.Objective : To explore the relation between specific rotation and purity of sorbitol.目的: 探讨山梨醇的比旋...
特里·皮尔为休斯敦太空人队率先击球。Terry Puhl leads off for the Houston Astros.所有太空人都应能承受加速度.All spacemen must be able to bear acceleration.我们都向英勇的苏联太空人致敬.All of us salute the brave cosmonauts of the Soviet Union....