With the all-round nationalization of hydro cracking catalyst in China, quick nationalization of hydrocracking pre-refining catalyst became an critical issue.
随着我国加氢裂化催化剂全面实现国产化，迅速实现加氢裂化预精制催化剂国产化成为当代一个重要课题。
Two categories of APC pre estimation methods are presented with examples relating to refining issues in this connection: statistical rules and the steady state gain optimization method.
为此列举炼油装置的示例，介绍了两类预估先进控制经济效益的方法，即统计分析法和静态增益优化法。
The measures of controlling aim carbon content and pre-deoxidation, consolidating refining deoxidation and light blow after steel tapping, protective casting, etc.
通过采用控制出钢终点碳和预脱氧，加强精炼脱氧和出钢软吹，做好保护浇注等措施，降低了钢中氧含量。
The process may further include pre-treating the fibers by high shear refining with impact to stress the fibers prior to low shear refining.
方法可以还包括由在低剪切匀料前把应力加到纤维的高剪切匀料预处理纤维。
The process may further include pre-treating the fibers by high shear refining with impact to stress the fibers prior to low shear refining.
方法可以还包括由在低剪切匀料前把应力加到纤维的高剪切匀料预处理纤维。
应用推荐