预直炼法,dephosphorization pretreatment and direct steel-making process
direct lead-smelting process直接炼铅法
1.On the basis of comparing several kinds of newdirect lead-smelting processes,the principles,technologies and their advantages of basicdirect lead-smelting processes were described briefly,and the advances in the treatment of silver concentrate was also reported.在比较了几种最新的直接炼铅法的基础上，着重地介绍了碱性直接炼铅法的原理、工艺流程及其特点，并报道了该法在银精矿处理中的应用研究情况。
3)direct melting mehtod直接熔炼法
4)direct iron process直接炼铁法
5)Direct Steel Process直接炼钢法;一步炼钢法
6)hyl process海尔直接炼铁法
延伸阅读
设备安装前的准备工作——设备的预装配与预调整设备安装前的准备工作——设备的预装配与预调整文章编辑：moji 文章来源：
