Cuprous oxide is a type of material called a semiconductor.氧化亚铜是一种所谓的半导体材料.Tin free , polishing antifouling composition with cuprous oxide.含氧化亚铜的无锡自抛光防污涂料.Cuprous oxide and zinc oxide can be recovered from waste copper c...
外源性雌激素:长期暴露与无拮抗的雌激素环境下可导致内膜增生过长.Exogenous estrogen . Continuous exposure to unopposed estrogen results in endometrial hyperplasia.摘要支抗的控制一直是正畸领域的难点.The control of anchorage has been a difficult question orthodontics.把稀缺资...