anhydrite gypsum中文什么意思

硬石膏质石膏

• anhydrite:    n. 【矿物】硬石膏，无水石膏。
• gypsum:    n. 1.【矿物】石膏。 2.【农业 ...
• gypsum and anhydrite:    石膏和硬石膏

例句与用法

1. The effects of gypsum on fluidity of cement mortar and setting time of cement paste are not significant when it used as retarder of cement . whereas , when 0 . 3 % ca - lignosulphonate or ca - solassate added in cement used anhydrite gypsum as retarder , loss of fluidity of cement mortar is rapid , quick setting is occurred
   但是，在硬石膏调凝水泥中掺加0 . 3的木钙和糖钙缓凝减水剂却能使水泥砂浆流动度经时损失加快，净浆表现出促凝现象，发生外加剂与水泥的不相容问题。