利用含砷废酸制备亚砷酸铜,并将所得亚砷酸铜应用到铜电解液的净化.Copper arsenite prepared from waste acid containing arsenic was applied in copper electrolyte purification.探讨职业性接触氯丹、含砷化合物灭蚁药物对作业人员肝功能水平的影响.To explore the level of liver function damage in...
你等着, 枪指着安全的方向, 因为引信还在烧着.You wait, with your weapon pointed in a safe direction, cos the primer burns slow.首先介绍了被动式静电引信的工作原理.This paper first presents the working principle of passive detection electrostatic fuze.激光引信抗悬浮粒...