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。
Experiment on Using Fluorine Gypsum as Retarder Instead of Natural Gypsum;
利用氟石膏代替天然石膏作水泥缓凝剂的试验
Study on Hydration and Hardening of Natural Anhydrite and Its Activation
天然硬石膏水化硬化及活性激发研究
On Christmas day, the man still had his right leg in plaster.
圣诞节那天，这人的右腿仍然绑着石膏。
Study on Improving Activity of Natural Anhydrite and Making Cementation;
天然硬石膏活性激发及胶结材的制备
This paper has studied the influence of fineness and activating agent on hydration and character of hard body for natural anhydrite.
本文研究了细度与激发剂对天然硬石膏的水化及其硬化体性能的影响。
Practice taking impression for plaster models two pairs,?
练习取印模、灌石膏模型二付，装石膏托。
Manufacture Artificial Marble with Silane Coupling Agent Modified Dihydrate Gypsum Powder and UP Resin
硅烷偶联剂改性二水石膏粉填充树脂基人造大理石的应用研究
It also discussed the fineness and activating agent in modification of natural anhydrite.
本中还对细度与激发剂对天然硬石膏的改性机理进行了探讨。
Surface Coating of Superfine Powders of Natural Anhydrite and Orthogonal Analysis on Its Effective Factors
天然硬石膏超微粉体表面多层包覆改性影响因素正交分析
artificial fruit of natural stone (non-precious)
人造蜡制水果,天然石料（非宝石）制
MODIFICATION AND HYDROTHERMAL STABILITY OF NATURAL CXN ZEOLITE
天然CXN沸石水热改性及水热稳定性
Production of road Portland cement using anhydrite in stead of gypsum
硬石膏代替石膏生产道路硅酸盐水泥工艺
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
The New Technology of Manufacture Artificial Marble with Modified Dihydrate Gypsum/Quartz Composition Filler and UP Resin;
改性二水石膏/二氧化硅复合材料在树脂基人造大理石中的应用研究
The Hydration Products of Clinker-anhydrite System and Fly Ash-lime-anhydrite System
熟料-无水石膏系统与粉煤灰-石灰-无水石膏系统的水化产物
Calculation of Ecological Water Requirement of Natural Vegetation in Shiyang River Basin
石羊河流域天然植被生态需水量计算
a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings.
石灰或石膏、沙子和水的混合物，变硬后成为光滑的固体，用来涂墙壁和天花板。