gypsum mold石膏铸模;石膏模;石膏型
calcined gypsum煅烧石膏;[化工] 烧石膏;煅石膏;建筑石膏
gypsum plank石膏板;石膏条板
gypsum tile石膏块材;石膏瓦
common gypsum[矿业] 普通石膏
gypsum block石膏块材;石膏块;石膏砌块
compact gypsum雪花石膏
gypsum ore[矿物] 石膏矿石;石膏矿
Gypsum syndrome石膏综合征;石膏分析征
The fast setting of most building gypsum is unfavourable for construction. So the retarding effect of impurities can be utilized positively.
对凝结非常迅速而不利于施工的半水石膏而言,杂质的缓凝具有利用价值。
参考来源 - 杂质对不同相磷石膏性能的影响Through XRD analysis on the single particles, main minerals of the air dust are quartz, felspar, dolomite, calcite, gypsum and barite.
用X射线衍射和能谱仪对单颗粒矿物作成份分析得知：大气尘的矿物成份主要是石英、长石、白云石、方解石、石膏、重晶石等矿物，以石英为主，其次是伊利石、石膏。
参考来源 - 成都市近地表大气尘的环境地球化学特征N-UNCOUNT（不可数名词） Gypsum is a soft white substance that looks like chalk and which is used to make plaster of Paris. 石膏