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....
跑道两侧都是很陡的斜坡。On either side of the tracks the ground fell away sharply.人们只得在陡峭而泥泞的斜坡上艰难地行进。The men had to slog up a steep muddy incline.他抬头看了看屋后的斜坡。He looked up the slope of land that rose from the house....
他们已在临床试验中接受过这种药物的治疗。They have been treated with this drug in clinical trials.我对所有这些药物的危险性了如指掌。I've read up on the dangers of all these drugs.格里菲思教授解释了那种药物的工作原理。Professor Griffiths explained how the drug appears to w...
The conductor's eyes darted to Wilfred, then fixed on Michael again.乐队指挥飞快地扫了威尔弗雷德一眼，然后视线又落回到迈克尔身上。'Something to drink?' — 'No, thanks,' said Michael. He glanced at Wilfred. 'How about you?&...