1)  Calcium chloride dihydrate
二水氯化钙
2)  calcium chloride dehydrate
二水氯化钙
1.
Technology of pharmaceutical grade calcium chloride dehydrate;
医药级二水氯化钙工艺研究
3)  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。
4)  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。
5)  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。
6)  dihydrate process
二水法
参考词条
补充资料:二水氯化钙
CaCl2·H20    分子量147.00
    性状  白色颗粒或熔融块状物,密度1.835g/cm3。加热到260℃成无水物,味苦而涩,有强吸湿性。易溶于水、醇,不溶于醚,水溶液呈中性或微碱性。有腐蚀性。
    应用领域  化工生产中用于制造防冻剂、致冷剂、灭火剂、胶粘剂,以及制取金属钙。橡胶工业用作凝析剂。淀粉工业用作混合淀粉糊的上胶剂。冶金工业用于有色金属冶炼。还被用作木材防护剂、织物防火剂、锅炉水处理剂和汽车防冻液。也用作分析化学试剂。此外,还用于制冰、熔冰及熔雪等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。