硬石膏

SO3 is fixed in ashes at 850~900℃, and it exists in Ⅱ-CaSO4 and has different solubility with the natural anhydrite and the plaster calcined at 400℃.

SO3是在850~900℃的温度下形成的，是以Ⅱ-CaSO4形态存在，且具有与天然硬石膏和400℃煅烧石膏不一样的溶解特性。

The research showed that the modif ied anhydrite changed from polarity to nonpolarity.

研究了硬脂酸改性硬石膏的效果和机理，测试了改性硬石膏应用于型材的力学性能。

The content of anhydrite and calcite is lower. The content of anhydrite will increase with the addition of flux CA while the content of calcite will decrease.

煤中添加助熔剂CA后，煤灰中硬石膏含量增加，并且随着助熔剂CA量的不断增加，方解石含量在不断减少，硬石膏含量在不断增加。

The results indicate that anhydrite/PP composites is sensitive to the shear rate, not temperature ,and itrs the typical pseudo-plastic fluid in the experiment temperature range.

本研究中所选的填充材料是硬石膏，硬石膏是硫酸盐矿物，其主要成分是CaSO ，广泛分布于因蒸发作用所形成的盐湖沉积物中。

This paper used anhydrite associated with ferruginous mineral from Cheng Chao iron ore as primary raw material to develop successfully a new type of light wall material under the action of G N M J four compound excitation system and FX compound reinforcing fibre with suitable forming procedure.

本研究以武钢矿业公司程潮铁矿共生的硬石膏为主要原料，在广泛探索的基础上，筛选出G－N－M－J四元复合激发体系，有效地激发了硬石膏的活性，在FX复合纤维的增强作用下，采用合适的成型工艺条件，成功地研制出一种新型的轻质墙体材料—纸面硬石膏板，对试制样品的测试结果表明，各项性能达到或接近以半水石膏为主要原料的纸面石膏板的国家标准，为综合利用程潮铁矿的矿物资源开辟了新的途径，对硬石膏在新型建筑材料领域中的开发应用，更有着开拓性的意义。

Aim: To evaluate the surface hardness and abrasion resistance of die stone model with the application of a new gypsum surface hardener.

目的：测定涂布超硬石膏表面硬化剂有机硅树脂前后石膏模型的表面硬度和抗磨损性能，为该石膏表面硬化剂的临床应用提供依据。

After improving traditional productive technology of gypsum exploratively, to synthesize hemihydrated gypsum through controlling strictly pressure and temperature in the course of productive technology, and compare study gypsum"s physical and mechanical properties with Shanghai Heraeus superhard gypsum"s of control group.

在对传统石膏生产工艺探索改进后，严格控制生产工艺中压强和温度进行石膏模型材料的合成，并与对照组上海贺利氏超硬石膏主要物理机械性能对比。

The square-built dolomite flat containing karstenite and karstenite-dolomite flat in the Ordovician of middle-eastern Ordos Basin provide the favorable condition for the stratify development of pores and holes and the large acreage distributing.

鄂尔多斯盆地中东部奥陶系呈现出宽缓的盆缘含硬石膏白云岩坪与盆缘硬石膏白云岩坪相带，为孔洞型储层的成层发育、大面积展布创造了良好的条件。

The contents of anhydrites cements closely connected with that of the feldspar in reservoir rock. The content of anhydrites cements in quartzose sandstone is low,and the content of that in felspathic sandstone is high.

硬石膏胶结物的含量与储层岩石中长石矿物成分的含量密切相关，石英砂岩内硬石膏胶结物含量低，长石砂岩的硬石膏胶结物含量高。

The natural result of gypsum plaster and water containing dihydrate anhydrite, and contained chemical components, in particular the complex trace elements, it will cement additives do not have a different series of deep radical solution or condensate, and other phenomena.

而天然石膏因含有二水石膏和无水硬石膏，加上所含化学成分，特别是微量元素复杂，反而会对水泥外加剂不同系列产生不相深溶或急凝等现象。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。