The drying agent should be changed when its color turns to pink.
干燥剂颜色变为粉红色时应进行更换。
The present invention relates to the preparation and usage of polyamine quick drying agent for water-thinned anionic latex paint.
本发明涉及用于水基阴离子乳胶涂料的聚胺快干剂的制备及使用方法。
Triisopropyl borate was synthesized with high yield from 2 propanol and boron oxide by using calcium hydride as drying agent to remove resultant water.
采用氢化钙作为脱水剂，以硼酐及异丙醇为原料合成了硼酸三异丙酯，该方法具有成本低、操作简便、条件温和、产率高的优点。
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。
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。
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