1)  calcium sulfate dihydrate powder
二水石膏粉
2)  dihydrate
二水合物
1.
It has been suggested that the dihydrate process be used in the place where power cost is cheap; semihydrate process be used in the place where factory is near to phosphorus mine; and simple and convenient operation is required; semi-dihydrate process be used in the place where both material and power are expensive.
主要介绍湿法磷酸生产的3种工艺——二水合物工艺、半水合物工艺及半水—二水合物工艺的特点、流程,并对这3种工艺进行技术经济比较。
3)  gypsum
二水石膏
1.
The change of gypsum type and dosage was found through experiment to have large effect on the set accelerating and strength enhancement of cement.
石膏掺量相同时,其效果依次为盐石膏≥磷石膏≥二水石膏≥硬石膏。
2.
The proportion, curing way and system, and properties of the gypsum fluidized furnace slag binder were studied in order to derect use gypsum and fluidized furnace slag in great quantity.
为直接大量利用二水石膏和沸腾炉渣等工业废渣,进行了二水石膏沸渣胶结材配比、养护方式与制度及材料性能的研究。
3.
The hydration and hardening of the gypsum fluidized furnace slag cement is analysed by XRD and mercury pressure porosous meter combining with macroscopic experimental results.
通过x射线衍射分析,孔结构分析,并结合宏观试验结果,分析了二水石膏沸渣胶结材水化与凝结硬化,并对外加剂、养护制度对材性的影响及耐水性提高的原因进行了阐述。
4)  dihydrate gypsum
二水石膏
1.
A new technology characterized as “Steaming Boiling Operation” was developed for converting dihydrate gypsum lumps into α hemihydrate by combining the virtues of “Aqueous Solution Process” and “Steam Pressurized Process”.
本工艺将α-半水石膏生产中的“水溶液法”和“蒸汽加压法”的优点巧妙地结合起来,用于二水石膏块矿的加工生产,形成了具有特色的“汽液结合法”工艺。
5)  dihydrate process
二水法
6)  second water source
二水源
1.
communications between tow water sources depand on broadband network and the second water source collects siganals in field via radio station,in this way,the system s’ stability and usability could be enhanced.
两水源之间采用宽带网络进行通讯,二水源通过无线电台进行野外信号采集,这样能够增强系统的稳定性与实用性。
参考词条
补充资料:石膏粉
CAS:10101-41-4
分子式:O4S·Ca·2H2O
分子质量:172.16
中文名称:二水硫酸钙;二水合硫酸钙;石膏;硫酸钙晶须;硫酸钙,二水;雪花石膏;石膏粉;纤维石(方解石,霰石或石膏的变种);亚硒酸盐,透石膏;白土,纯白生石膏,白色软粘土,制管土
英文名称:Calcium sulfate dihydrate;Sulfuric acid calcium salt , dihydrate;calcium(ii) sulfate, dihydrate (1:1:2);alabaster;annaline;ci 77231;ci pigment white 25;compactrol;gypse;gypsum stone;land plaster;light spar
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