Gypsum cement can be mixed with Portland cements.
石膏水泥可与波特兰水泥混合。
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。
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。
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。
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。
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。
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。
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。
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。
Effect of the substitution of gypsum with limestone on the hydration process and performance of C3S, C3A and Portland cement was explored.
研究了用石灰石替代石膏对单矿物c3s、C3A及硅酸盐水泥水化过程及性能的影响。
Different mixture ratios of desulphurized ash, cement, aggregate, gypsum and lime were tested according to the orthogonal testing method.
采用正交试验方法，设计了脱硫灰、水泥、集料、石膏、石灰的不同配比。
Cement prepared with solidified phosphogypsum as retarder had similar setting time as cement prepared with natural gypsum and higher strength than them.
固化磷石膏磨制的水泥和天然二水石膏磨制水泥相比，二者的凝结时间最接近，强度有一定的提高。
The gypsum formation causes the expansion of materials based on cement exposed to sulfate bearing solutions.
石膏的形成导致硫酸盐侵蚀水泥基材料产生膨胀开裂。
Results 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.
结果表明：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。
Phosphorous gypsum makes cement condensation time prolonged, while give no evidence influence on cement strength.
在水泥中加入磷石膏做缓凝剂，对凝结时间影响较大，但对强度影响不太明显；
Substitute anhydrous gypsum for dihydrate gypsum in Potland cement production to study the effect of anhydrous gypsum on performance of Potland cement.
研究了在硅酸盐水泥中使用硬石膏完全代替二水石膏对硅酸盐水泥性能的影响。
The cement gelatin material with fly-ash, clinker, lime, gypsum and a few excitant is studied and produced.
利用粉煤灰、水泥熟料、石灰、石膏辅助少量的粉煤灰活性激发剂研究生产高掺量粉煤灰水泥。
The study is made on the influence of clinker admixture, complex stimulator, gypsum admixture and cement particle size distribution on highway fly ash cement.
文中研究了熟料掺量、复合激发剂、石膏掺量、水泥颗粒粒度对公路粉煤灰水泥的影响。
The influences of adding calcined gypsum instead of dihydrate gypsum and adding a little limestone on the physical properties of cement were investigated.
研究了用烧石膏代替二水石膏并掺入少量石灰石对水泥物理性能的影响。
The effect of type and adding amount of gypsum and additive on the properties of the cement has been also analyzed.
探讨了石膏的选择和用量，以及外加剂对水泥性能的影响。
The property of the cement from some of the clinker with an addition of 4% gypsum is similar to a Portland cement of 52.5R grade.
部分熟料中加入4%的石膏制得水泥，其性能符合强度等级52.5R的硅酸盐水泥标准要求。
The properties of cement with titanium gypsum are similar to those of Portland cement with natural gypsum.
杂质对水泥性能影响不大，不经预处理作水泥缓凝剂，其性能与采用天然石膏的水泥相当。
This paper investigated expansion property that common Portland cement was as basic body and cement Q phase - C2S - C4AF - C12A7 as expansion age nt with a little addition of gypsum.
采用普通硅酸盐水泥作为基体、Q相-C2S -C4AF - C 12a7水泥作为膨胀剂、加入少量石膏的条件下进行试验研究。
Suitable content of gypsum will be helpful to improve the strength of the soft soil solidified by the cement.
适量的石膏掺入也有利于窑灰水泥固化土强度的提高。
The FGD gypsum similar to the natural gypsum in common characteristics, and is adequately used as cement retarder.
热电厂脱硫石膏与天然二水石膏相似，适合作水泥缓凝剂。
Radon from building materials such as granite, brick sand, cement and gypsum and the like, in particular, contain elements of natural stone and easy to release radon.
氡主要来自建筑材料，如花岗岩、砖砂、水泥及石膏之类，特别是含有放射性元素的天然石材，易释放出氡。
Laboratory research work was introduced for the development of new cement by the use of industrial waste such as chemical waste gypsum, etc.
介绍了利用化工废石膏等工业废渣研制新型复合胶凝材料的实验室研究工作。
The performance of the slag cement blended with desulphurization gypsum is studied.
本文研究了脱硫石膏对矿渣水泥物理性能的影响。
It is composed with barite, zeolite, quick lime, gypsum, and cement grog.
它是由重晶石、沸石、生石灰、石膏、水泥熟料组成。
It is composed with barite, zeolite, quick lime, gypsum, and cement grog.
它是由重晶石、沸石、生石灰、石膏、水泥熟料组成。
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