This article analyzes the reason for resistance rise in the first stage purification furnace. It puts forward some control methods and measures.
对一段炉阻力增大的原因进行分析，提出预防和处理阻力增大的控制方法和措施。
The process of lycopene extraction could be divided into extracting stage and purification stage.
番茄红素的提取过程可分为提取阶段和纯化阶段。
Brine purification is an important stage in the co-production of salt and Galubers' salt.
卤水净化是盐硝联产的一个重要生产环节。
应用推荐