granular bed meaning in Chinese

晶粒层
颗粒床层

Abstract : this paper analyzed the mechanism of solutes removal from water in a pa cked granular bed based on the principles of adsorption equilibrium and mass tra nsfer , put forward a numeric method to predict the treatment effects , and how to u se the method in actual situation
文摘:本文从对流传质和吸取平衡的基本原理出发，分析了颗粒填充床吸附溶质的机理，提出了用吸附模型的一种数值解来预测过滤处理的结果，以及如何在实际中应用该方法。