1) natural gypsum
天然石膏
1.
Production practice of substitue desulfogypsum for natural gypsum as retardant;
脱硫石膏代替天然石膏作缓凝剂的生产实践
2.
The results show that though the waste gypsum used independent can affect the setting time and the strength of cement, the waste gypsum mixed with natural gypsum is used as cement eretarder, and the content of SO3 is controlled correctly, the qualified cement can be produced in inherent technology conditions, and the high performance concrete can be made with this cement.
研究结果表明,废石膏作为水泥缓凝剂单独使用时虽然可能会影响水泥的凝结时间和强度,但如果与天然石膏搭配使用,并控制适当的SO3掺量,就可以在原有生产工艺参数基本不变的条件下,生产出合格的水泥,而且可以配制出符合建筑工程要求的高性能混凝土。
2) natural anhydrite
天然硬石膏
1.
This paper introduces raw materials,manufacture technology,properties and application in construction of natural anhydrite plastering material,its economic benifits were preliminary analyzed on basis of the results of pilot_production at plant.
简介了天然硬石膏粉刷材料的原料、生产工艺、产品性能及工程应用，根据工业性试生产结果，进行了初步经济分析。
2.
Through measuring hydration rate of different age and the strength of a certain age,analysis and study the situation of activity stimulated that are from different areas of natural anhydrite add salt and alkaline activator.
通过测定不同龄期水化率以及一定龄期的强度,对加入盐类和碱性激发剂不同产地天然硬石膏的活性激发情况做了分析研究。
4) anhydrite
[英][æn'haidrait] [美][æn'haɪdraɪt]
硬石膏(无水);硬石膏[天然CaSO4]
5) natural amalgam
天然汞膏
6) natural silky cream
天然丝素膏
补充资料：石油天然气国际贸易(见石油市场与天然气市场)
石油天然气国际贸易(见石油市场与天然气市场)
石油天然气国际贸易(internotional tradeof011 and只as)见石油市场与天然气市场。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条