base-exchange substance

• 阳离子交换剂； 盐基交换物质

base-exchange substance的用法和样例：

例句

1. A new method of producing comparatively pure potassium sulphate from seawater using inartificial zeolite as the medium of ion exchange was especially introduced.
   特别介绍了用天然沸石作为离子交换剂，从海水中制备较纯净的硫酸钾新工艺。