Leaching of copper from chalcocite with acidic acetonitrilecopper sulphate system was studied.研究了用酸性乙腈硫酸铜体系从辉铜矿中提取铜.The paper discusses a new method for producing cupric feed copper sulfate by chalcocite and ehalcopyite....
戴利主教说他听到红衣主教去世的消息后感到极为震惊和难过。Bishop Daly said he was devastated by news of the Cardinal's death.他在一家养老院去世，享年87岁。He died in a nursing home at the age of 87.她老爸去世时留给了她好几百万。Her old man left her a few million when he die...
先将糖稍稍加热，以使其溶解得更快些。Warm the sugar slightly first to make it dissolve quicker.能溶解血栓的药物会有助于治疗心脏病。Drugs that dissolve blood clots can help people survive heart attacks.把盐放在温水里溶解。Dissolve the salt in the warm water....
你可以将收藏的全部CD保存在电脑硬盘上。You can store your entire CD collection on the computer's hard drive.米恩斯先生以卖计算机硬盘作为副业。Mr. Means sold computer disks as a sideline.40吉字节硬盘a 40GB hard disk...