Hemihydrate can be used instead of gypsum. 半水物硫酸钙可以用来代替石膏。
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。
Influence of Crystal Modifier on Morphology and Strength of α-Hemihydrate Gypsum Prepared by Desulfurization Gypsum 转晶剂对脱硫石膏制备α-半水石膏形貌及强度的影响
Stable hemihydrate agglomerates with good filtering properties were obtained. 获得具有优良过滤性能的稳定的半水物晶团。
An organic wetting agent or foam suppressant is quite helpful in the formation of filterable hemihydrate. 某种有机的润湿剂或消泡剂十分有助于形成可过滤的半水物。
A Discussion on the Concentration Assay for Hemihydrate Gypsum in Plaster of Paris Bandage-Viscose Form 粘胶型石膏绷带半水石膏含量测定方法的探讨
If we can vent the atmosphere, we can eliminate half the nanobots. An organic wetting agent or foam suppressant is quite helpful in the formation of filterable hemihydrate. 如果我们能使空气排出,我们可以消灭一半的微型机器人某种有机的润湿剂或消泡剂十分有助于形成可过滤的半水物。
Research on Preparation and Trans-crystal Technology of α-Hemihydrate Flue Gas Desulfurization Gypsum with the Hydrothermal Method 水热法α-半水脱硫石膏制备工艺及转晶技术研究
Excessively high temperature causes formation of hemihydrate. 过高温度导致生成半水物。
The results showed that the absorption state was different with additive amount varied and the crystallization course of hemihydrate calcium sulfate was greatly affected by sodium stearate. 结果表明:硬脂酸钠在晶须表面的吸附状态随其用量变化而变化;硬脂酸钠对半水硫酸钙晶体的形貌有较大影响;
Dehydration of α-calcium sulfate hemihydrate in potassium chloride solutions under atmospheric pressure 常压KCl溶液中α-半水石膏的脱水过程
Research on α-Hemihydrate Gypsum Used for Casting Mold 铸型用α半水石膏的研究
The additives containing alkalis oxide are not fit for hemihydrate gypsum-fly ash binder. 半水石膏粉煤灰胶结材中不宜使用含碱金属盐的外加剂。
A new technology characterized as Steaming Boiling Operation was developed for converting dihydrate gypsum lumps into α hemihydrate by combining the virtues of Aqueous Solution Process and Steam Pressurized Process. 本工艺将α-半水石膏生产中的水溶液法和蒸汽加压法的优点巧妙地结合起来,用于二水石膏块矿的加工生产,形成了具有特色的汽液结合法工艺。
The important factors of controlling the crystal granularity, morphology and strength of the alpha hemihydrate gypsum are the proportion of composition medium crystal agent and quantity, autoclave time. 结论复合转晶剂适当的比例和掺量、蒸压时间是控制α半水石膏晶体粒度、形貌及强度的关键因素。
A real_time XRD analysis was carried out on the phase_transformation of α-and β-hemihydrate gypsums during hydration. 对α半水石膏和β半水石膏水化过程中的物相变化进行了实时X射线衍射分析,结果表明两者的最终水化产物皆为二水石膏,但水化速度差异很大。
Adding crystal modifier in gypsum, a hemihydrate gypsum was prepared by autoclave technology under the optimum condition. 在此基础上,在二水石膏原料中加入转晶剂,采用蒸压法在最佳工艺下制备α型半水石膏。
According to the different preparing methods, it can change to α hemihydrate gypsum or β hemihydrate gypsum. 根据制备工艺的不同,可获得α型半水石膏或β型半水石膏。
Multifunction& high-accuracy gypsum block is one of new types of wall materials made of hemihydrate gypsum and fly ash, and it has unique structure and outstanding performance. 以半水石膏、粉煤灰为主要原材料的高精度、多功能石膏砌块是一种构造独特、性能优良的新型墙体材料。
α& Hemihydrate and Its Applying in the Mould for Ceramic α半水石膏及其在陶瓷模具中的应用
Identification of Mechanism and Investigation on the Kinetics of Thermal Dehydration of Barium Oxalate Hemihydrate 水合草酸钡脱水过程的机理判别和动力学研究
Study of secnidazole hemihydrate 塞克硝唑1/2水合物的研究
The Study and Development on α-Hemihydrate α型半水石膏的研究与发展
The Development of Surgical Grade α-hemihydrate Calcium Sulfate and Its Related Research 医用外科级α-半水硫酸钙的研制及其相关研究
The influences of retarders, admixtures and water retention agents on the performance of β-hemihydrate gypsum plaster were study by a series of experiments in this paper. 通过实验研究了缓凝剂、掺材及保水剂对β半水型粉刷石膏性能的影响。
A Research on the Properties and Microstructure of Hemihydrate Gypsum 半水石膏性能与微观结构的探讨
Adding crystal modifier to the reaction solution to change crystal morphology of α-hemihydrate gypsum from needle into short column was core technology in preparation of high-strength α-hemihydrate gypsum in liquid method. 在反应溶液中加入转晶剂,使α-半水石膏的晶体形貌由针状变为短柱状,是液相法制备高强α-半水石膏的核心技术。
On the basement of observing and analysing the process and mechanism of hemihydrate calcium sulfate whiskers 'hydration, adopting the integration mechanism of preparation and stabilization to study the stabilization of hemihydrate calcium sulfate whiskers. 在观察分析半水硫酸钙晶须的水化过程和水化机理的基础上,采用制备&稳定化一体化机制对半水硫酸钙晶须的稳定化问题进行了研究。
FGD gypsum which purity is high and the quality is stable is a wet powder because it forms in liquid. All the characteristics make FGD gypsum be appropriate for preparing α-hemihydrate gypsum with hydrothermal method in salt solution with atmospheric pressure. 脱硫石膏形成于液相环境中,具有纯度高、品质稳定、湿态粉体等特点,非常适合于用常压盐溶液法来制备α-半水脱硫石膏。
The compressive strength of composite materials decreased with decreasing calcium sulfate hemihydrate content and increasing biphasic calcium phosphate content. 随着BCP/CSH复合材料中半水硫酸钙含量的逐步减少,双相磷酸钙含量的逐渐增加,复合材料的抗压强度逐渐减低。