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1·Gypsum cement can be mixed with Portland cements.

石膏水泥可与波特兰水泥混合。

2·The resulting coal ash and gypsum are sold to the cement industry.

剩余的煤灰和石膏粉则出售给水泥行业。

3·The effects of gypsum, cooling method and additives on the performance of the new belite cement are studied.

研究了石膏、冷却制度及外加剂等因素对新型贝利特水泥性能的影响。

4·The effect of gypsum content on the hydration, compressive strength and setting time of Ba-bearing aluminoferriate cement was presented.

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。

5·We produce and sell cement, ready-mixed concrete, gypsum wallboard, aggregates, asphalt, and related products and services.

公司生产和销售水泥、预拌混凝土、石膏墙板、集料、沥青和相关的产品及服务。

6·XRD, SEM, and strength test, were employed to investigate the appropriate ratio and hydration mechanism of limestone-based cement consisted of limestone, stag, gypsum and a small amount of clinker.

运用XRD、SEM以及强度实验等方法，研究了由石灰石、矿渣、石膏和少量熟料组成的石灰石基水泥的适宜配比和水化机理。

7·Choosing potassium sulfate as an activator to stimulate the activity of natural anhydrite, and modified its properties by adding Portland cement and hemihydrate gypsum respectively.

选取硫酸钾作为激发剂对天然硬石膏进行活性激发，并分别掺入硅酸盐水泥与半水石膏进行改性。

8·The change of gypsum type and dosage was found through experiment to have large effect on the set accelerating and strength enhancement of cement.

试验结果表明，石膏品种和掺量的改变对水泥的促凝增强作用产生较大影响。

9·Based on the difference of dissolution rates of various gypsums, the choice of different types of gypsum for the production of different types of cement is proposed and discussed.

本文根据不同种类石膏溶解速度不同的特点，提出不同品种水泥应采用不同种类石膏，并进行了分析和讨论。

10·The white cement without clinker was prepared by metakaolinite, lime and gypsum as main raw materials.

以偏高岭土、石灰和石膏为主要原料制得无熟料白水泥。