RE-B相关论文
研究了粉末法 RE-B 共渗活性原子的产生、吸收和共渗层形成的机理,以及稀土元素在渗层中的迁移过程。结果表明,活性稀土元素原子可......
采用RE-B复合变质处理低合金白口铸铁取得了满意的效果。试验结果表明,在低合金白口铸铁中添加适量的RE-B复合变质剂,可使其网状碳化物呈孤立......
Predictors of re-bleeding after endoscopic hemostasis for delayed post-endoscopic sphincterotomy ble
AIM: To predict the re-bleeding after endoscopic hemostasis for delayed post-endoscopic sphincterotomy(ES) bleeding.METH......
介绍了2座6m焦炉的工程概况,分析了焦炉端部火道炉墙损坏的主要外因及采用熔融硅砖对端部火道进行揭顶翻修的优点。通过揭顶翻修解......