Dry Chemical Method

Method: Systematic solvent method is used to extract and silica gel dry column sheet gradation was used to separate the chemical composition.

方法：采用系统溶剂法提取，硅胶干柱层析法进行化学成分分离。

The method USES chemical drying agent to dry raw material in cement production, the additive amount depends upon the water content in raw material to be dried.

一种适用于干法、半干法水泥生产的物料烘干方法，是利用化学干燥剂，根据物料水分控制添加量达到干燥物料水分的目的。

Ozone sterilization method had no obvious influence on the chemical components of raw powders. Ozone had some advantages over dry-heating and circulating steam method in the sterilization efficiency.

对样品化学成分的影响较小，其优越性高于流通蒸汽灭菌法和干热灭菌法。