磷石膏为湿法生产磷酸排放的工业废渣，因含可溶磷杂质，不能直接使用。
Phosphor - gypsum is the industrial waste discharged from wet process phosphorous acid production.
用石膏模浇注法生产出了含碳化硅和粒状填料的耐热匣钵。
Thermoresistant saggers containing silicon carbide and granular filler were produced through slip casting in plaster mould.
介绍了石膏含量对含钡铁铝酸盐水泥的水化、抗压强度和凝结时间等性能的影响。
The effect of gypsum content on the hydration, compressive strength and setting time of Ba-bearing aluminoferriate cement was presented.
烟气中的飞灰既在液相膜表面结壳，阻碍石灰石的溶解，又影响脱硫系统含尘量排放指标，降低石膏品质。
Fly ash in flue gas not only crusts on the surface, stopping the dissolving of limestone, but also affects the dust discharge index, reducing the quality of gypsum.
由于石膏在酸液中的溶解度随酸液浓度而改变，酸化含石膏地层时将产生二次沉淀，严重影响酸化效果。
The solubility of gypsum will change as the concentration of acid solution changes. When acidizing treatment gypsum-containing formation, the secondary precipitation be produced.
在实验室电炉静置煅烧条件下，研究了硫酸钙和亚硫酸钙、含亚硫酸钙的脱硫灰和石膏在水泥熟料煅烧过程中硫的逸放。
The sulfur emissibility during burning cement clinker with calcium sulfate, calcium sulfite gypsum and desulphurize slag that consist of CaSO3 separately were studied in laboratory electric stove.
上部为中薄层状富泥的含石膏质夹层的泥质泥晶灰岩、微晶白云岩组成的旋回性清楚的似蒸发潮坪层序。
The upper part is a set of evaporite quasi-tidal sequence with clear cycles which is made up of middle-thin-bedded, gypsum-bearing muddy limestone and dolomicrite.
结果表明：以GB/T176—1996《水泥化学分析法》和GB/T5484—2000《石膏化学分析法》中的基准法即重量法不能准确测定含亚硫酸钙的脱硫灰中的硫含量；
The results showed that the gravimetric method commanded by GB/T176-1996 and GB/T5484-2000 was inaccurate to measure the sulfate content while the distillation method was comparatively accurate.
结果表明：以GB/T176—1996《水泥化学分析法》和GB/T5484—2000《石膏化学分析法》中的基准法即重量法不能准确测定含亚硫酸钙的脱硫灰中的硫含量；
The results showed that the gravimetric method commanded by GB/T176-1996 and GB/T5484-2000 was inaccurate to measure the sulfate content while the distillation method was comparatively accurate.
应用推荐