The process of chlorine leaching - purification - electrowinning for nickel extractioncopper residue is investigated.研究通过氯气浸出 - 净化 - 不溶阳极电积法生产电镍的工艺过程.The research results of recovering copper by electrowinning from conce...
That caused considerable mirth amongst pupils and sports masters alike...那个举动引得学生和体育老师大笑不止。For once Dimbleby lost his composure. It was all he could do to stop tears of mirth falling down his cheeks.这一次丁布尔比没能控制住自己的感情。他唯一...
Using vacuum adsorb style fix up paper.固定纸张方式采用真空吸附方式.The cobalt oxide is produced from cobalt catalyst waste by using acidolysis precipitate method.用含钴催化剂废料作原料,采用酸溶-沉淀法工艺制取氧化钴.The Afghan air force was using helicopters ...
Disney will retain a 51 percent controlling interest in the venture.迪斯尼将保留该项目51%的控股权。They live in fantasy worlds which make Euro Disney seem uninventive.他们生活在幻想的世界里，相形之下连欧洲迪士尼乐园都显得毫无创意。Shares in Euro Disney jumped 17p.欧洲...