This paper disscussed the permeating of sugar and quality of candied apple with several pretreating methords. 研究了不同预处理方法对苹果渗糖和质量的影响。
In this paper, the author proposes a method for the optimal design of pretreating industrial wastewater by distillation method. 提出用精馏法预处理工业废水的一种优化设计方法。