calcium sulphate

1. Calcium unites with sulphur and oxygen to form calcium sulphate, and phosphors and oxygen to form calcium phosphate, sodium and potassium unite with oxygen and nitrogen to form sodium to potassium nitrates.
   钙、硫和氧形成硫酸钙，钙、磷和氧形成磷酸钙，钠、钾和氧、氮结合生成硝酸钠和硝酸钾。
2. The crystallization course of dihydrate calcium sulphate affected by APA was also researched.
   另外还研究了添加不同类型的活化疏松剂对二水硫酸钙结晶过程的影响。
3. A surface of gesso. a common white or colorless mineral ( hydrated calcium sulphate) used to make cements and plasters ( especially plaster of Paris).
   涂有混合石膏粉的表面一种白色或无色的矿物（含水硫酸钙），用作胶合材料（尤其是烧石膏）。
4. Study on the crystallization course of dihydrate calcium sulphate and the effect of APA on its crystallization;
   对影响钙离子向硫酸钙转化的各种因素及反应后产物二水硫酸钙的纯化处理进行了研究。
5. Bone density of rabbit femoral cancellous bone defect after calcium sulphate implantation osteochondrosis of capitular epiphysis of femur
   硫酸钙植入兔股骨髁包容性骨缺损骨密度分析
6. Calcium sulphate whisker was prepared by hydrothermal method using seawater or brine as raw material.
   以海水卤水为原料，采用水热法制备了硫酸钙晶须。
7. Research on Calcium Sulphate Scale Inhibition Performance of PASP/ EDTMP Compound Scale Inhibitor
   PASP/EDTMP复配阻垢剂对硫酸钙阻垢性能的研究
8. A reaction model was developed relevantly for the whiskers and surfactant, and a conclusion drawn from that plays a role of guidance in the industrialized surface modification of calcium sulphate whiskers as a theoretic reference offered for their applications.
   得出的结论对硫酸钙晶须表面改性的工业化生产具有重要的指导意义，并为硫酸钙晶须的应用研究奠定了理论基础。
9. The scale inhibition performance of the compound scale inhibitor and the copolymer scale inhibitor with the same group against calcium sulphate, and the scale inhibition performance of the copolymer scale inhibitor with different composition against calcium sulphate were studied under the same condition.
   研究了在相同条件下，所含相同基团的共聚物阻垢剂与复配型阻垢剂对硫酸钙的阻垢性能，以及不同组成的共聚物阻垢剂对硫酸钙的阻垢性能。
10. On the Surface Modification of Calcium Sulphate Whiskers
    硫酸钙晶须的表面改性研究
11. Results show, this flyash has high content of CaO and SO 3, but lower of f-CaO, its mineral constitution, besides vitreous body and inert crystal, still contains a few of cementing mineral, calcium sulphate and calcium carbonate.
    结果表明高钙固硫粉煤灰的CaO和SO3含量都较高，但f-CaO含量并不高；矿物成分除玻璃体和惰性晶体外，还含有少量的胶凝矿物以及硫酸钙和碳酸钙；
12. Facile Synthesis and Photoluminescence of Calcium Sulphate Nanorods
    硫酸钙纳米棒的简易合成与光致发光特性
13. Properties of Potassium Titanate Whiskers and Calcium Sulphate Whiskers Modified Epoxy Resin
    钛酸钾晶须及硫酸钙晶须改性环氧树脂
14. Research of the preparation of ultrafine calcium sulphate whiskers using gypsum
    用石膏合成超细硫酸钙晶须的研究
15. Experimental Study on Apply microwave to preparation of Calcium Sulphate Crystal
    微波能应用于硫酸钙晶体制备的实验研究
16. Study on β-tricalcium phosphate/ calcium sulphate bioceramics
    β-磷酸三钙/硫酸钙生物陶瓷的研究
17. Modified calcium sulphate whiskers are characterized with active exponent, contact angle, SEM, X-ray diffraction and IR respectively.
    改性硫酸钙晶须产品采用活化指数、接触角、扫描电子显微镜、X射线衍射和红外光谱分析进行表征。
18. Effect of citrated calcium sulphate on osteoblasts proliferation and differentiation
    柠檬酸化硫酸钙对鼠成骨细胞增殖、分化的影响
19. Safety and biocompatibility of citrated calcium sulphate hemihydrate as substitute of bone transplantation
    柠檬酸化半水硫酸钙作为骨移植替代材料的安全性及生物相容性评价
20. Preparation of Semi-water Plaster Stone Using Calcium Sulphate Waste Residue from the Citric Acid Plant
    柠檬酸厂硫酸钙废渣制半水石膏
21. Study of calcium sulphate whiskers modified bismaleimide resin by friction and wear properties
    硫酸钙晶须改性双马来酰亚胺树脂摩擦磨损性能的研究
22. Biological Security of A New Nano-hydroxyapatite/ Calcium Sulphate Composited Bone Substitute
    纳米羟基磷灰石/硫酸钙复合人工骨的生物安全性研究
23. Study on Calcium Sulphate Whisker-Modified Epoxy Resin Adhesive
    硫酸钙晶须改性环氧胶粘剂的研究
24. Objective: To study the effects of Citrated Calcium Sulphate ( CCaS) on osteoblasts function and explore the possibility of this biomaterial as bone graft substitutes.
    目的：观察柠檬酸化硫酸钙对成骨细胞功能的影响，探讨该材料作为骨移植替代材料的可行性。
25. The result of these experiments shows that the α-half water calcium sulphate with fewer impurity and better chroma can be got in solution of 2% HCI and the proper technological parameters should be: temperature 160 ℃, time 60 and solid-liquid ratio 1 ∶ 3.
    结果表明，在2%的盐酸体系中能获得杂质含量较少、色度较好的α-半水硫酸钙，适宜工艺参数：水热温度160℃，水热时间60min，固液比1∶3。
26. Calcium sulphate whisker is a new nonmetal material prepared from gypsum.
    硫酸钙晶须是由生石膏制备而成的新型非金属材料。
27. The friction and wear behaviors of calcium sulphate whiskers modified bismaleimide resin under different friction load, coupling agent, and whisker content were investigated.
    研究了载荷、偶联剂及硫酸钙晶须用量对双马来酰亚胺树脂摩擦磨损性能的影响及材料的磨损机制。
28. β-tricalcium phoshate/ calcium sulphate composite powders were synthesized by wet precipitation and then evaporation drying process.
    采用液相沉淀和蒸发干燥工艺制备了β磷酸三钙/硫酸钙（βTCP/CSA）复合粉体。
29. Physico-chemical property and biocompatibility: The chitosan coats the calcium sulphate dehydrate thoroughly and the material has good biocompatibility and has no affection of the value of PH of the surrounding tissue.
    理化性质和生物相容性：壳聚糖包衣硫酸钙后包衣膜完整，具有良好的生物相容性，降解过程中对周围组织酸碱度无影响。
30. Calcium sulphate, another bone substitute, is desirable for injection and absorption.
    而另一种具有悠久历史的成骨材料&硫酸钙，则在注射性和吸收性方面具有良好的表现。

noun

1. a white salt (CaSO4)

   Synonym:    calcium sulfate