Natural gas liquification involves both mixed - refrigerant cycle and nitrogen expander cycle.近几年国内天然气液化技术主要采用混合工质液化循环和氮膨胀液化循环.The Catalyst that is suitable for Shenhua coal liquification was found out through experiment...
采购产品火炉, 预热器, 泵, 旋转主要细胞, 喷嘴, 移动管, 喷嘴.Furnaces, Preheaters, Pumps, Turn Key Cell, Nozzles, Transfer Tubes, Nozzles.热管空气预热器是一种重要的余热回收装置.Heat pipe air heater is a important heat recovering equipment.介绍了无机传热技术在空气预热器上的应用及其技术的优...
There aren't many rape seeds left.下剩的油菜籽不多了....the boldness to pillage and rape.抢劫和强奸的胆子Rape or colza seeds, whether or not broken.油菜子, 不论是否破碎.This paper advances the preparation method of erucamide by direct ammono...