a mixture of lime or gypsum with sand and water
石灰或石膏、沙子和水的混合物
a mixture of lime or gypsum with sand and water
石灰或石膏、沙子和水的混合物
Penecontemporaneous or seepage-reflux dolomitization is the original mechanism for gypsum-bearing muddy dolomicrite.
准同生白云石化或卤水回流渗透白云石化是泥晶-微晶白云岩(含膏云岩)的形成机制。
There are not only illite, but also asphalt, microcrystalline quartz, dolomite, calcite, anorthite, gypsum, and such as potential damage materials.
储层不仅含伊利石,还发育沥青、微晶石英、白云石、方解石、钙长石和石膏等潜在损害物质。
The result of the test indicated that the aluminium sulfate and the sodium tartrate potassium bond was advantageous to prepare the short columnar alpha-hemihydrated gypsum crystal.
试验明,添加硫酸铝与酒石酸钠钾复合转晶剂,对制备短柱状α型半水石膏晶体有利;
The specific properties of gypsum and its slurry, the effect of different refractories on the properties of plaster molding, and how to control main process of gypseous mold are analyzed.
在大量试验研究的基础上,阐述了有关石膏型铸工艺的几个主要技术问题,分析了石膏及其浆料的特性,各种填加物对石膏型性能的影响,以及如何控制石膏型铸造的主要工艺过程
R esults show that the modified cement with good durability, small expansion and low alkality can be made by use of gypsum and zeolite modifying alumina cement.
明:以石膏和沸石对高铝水泥改性,可配制出耐久性良好、具有微膨胀性的低碱度改性水泥。
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