本文对S型石膏缓凝剂的性能进行了研究。
In this paper, the study on the performance of s type retarder of plaster was made.
研究了骨胶蛋白质石膏缓凝剂对石膏凝结时间和强度的影响。
The effect of bone glue protein retarder on setting time and strength of gypsum is studied.
本研究采用四种不同初凝时间的建筑石膏，掺入S型石膏缓凝剂，进行了初凝时间的试验。
In this study, tests for initial setting time of plaster are conducted by adopting plaster with 4 different initial setting times and by adding s type retarder for plaster.
试验结果表明，所用建筑石膏的初凝时间愈快，掺有S型缓凝剂后其初凝时间差愈大。所以，初凝时间差不宜作为石膏缓凝剂的缓凝效果指标。
The test results show that the quicker the initial set of plaster the greater the difference between the initial setting times of the plaster with addition of s type retarder.
揭示了缓凝剂对建筑石膏水化进程、晶体形貌和孔结构的影响规律和作用机制。
The effecting law and action mechanism of retarders on hydration process of building gypsum, crystal morphology of dihydrate and pore structure have also been revealed.
缓凝剂对晶面的选择性吸附，改变了二水石膏晶体的生长习性和形貌。
The preferred adsorption of retarders on different faces of gypsum crystal changes growth habit of dihydrate crystal and its crystal morphology.
缓凝剂在二水石膏晶胚表面的吸附，使其晶体生长受阻，成为水化的控制过程。
The adsorption of retarders on the surface of nuclei newly produced inhibits the crystal growth of dihydrate and accordingly controls the hydration process of gypsum.
磷石膏用作水泥缓凝剂时，其中含有的杂质对水泥的性能产生不利影响，因此使其应用受到限制。
Impurities from phosphogypsum had deleterious effect on the property of cement when used as cement retarder, which caused limited application.
考察各种缓凝剂对建筑石膏凝结时间、硬化体强度以及结晶习性的影响。
The effect of retarder on setting time, strength of hardened paste and crystallization habit of building gypsum was studied.
采用自制的复合缓凝剂配制出脱硫粉刷石膏，并对脱硫粉刷石膏的凝结时间及力学性能进行了研究。
Desulphurization render gypsum can be prepared using composite retarder and some tests study on the setting time and mechanical property of desulphurization render gypsum.
本文着重研究了石膏的用量、水的用量、缓凝剂对石膏相似材料强度的影响，并找到了符合深部脆性岩体性能的石膏的优良配方。
And the effect on similar material's intensity is studied, such as the dosage of gypsum and water, retarder. A good formulation of gypsum for deep rock is found.
三聚磷酸钠是建筑石膏高效缓凝剂。
Sodium tripolyphosphate (STPP) is a highly efficient retardant, and is commonly used in building 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。
The properties of cement with titanium gypsum are similar to those of Portland cement with natural gypsum.
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；
Phosphorous gypsum makes cement condensation time prolonged, while give no evidence influence on cement strength.
建筑石膏中掺入S型缓凝剂可使凝结时间显著延缓，但强度略有降低。
When the s type retarder is added to the plaster, the setting time of plaster is delayed significantly and the strength is a little lower.
热电厂脱硫石膏与天然二水石膏相似，适合作水泥缓凝剂。
The FGD gypsum similar to the natural gypsum in common characteristics, and is adequately used as cement retarder.
简要叙述了磷石膏利用的基本概况，介绍了几种各具特色的磷石膏制水泥缓凝剂的生产工艺流程，以及作者的实验流程。
The application status of phosphogypsum is presented. Some processes of producing cement retarder by phosphogypsum including author's experimental process are introduced.
研究结果表明：用化工石膏作缓凝剂，水泥性能符合国家标准规定。
Results show that, as the chemical gypsum was used as retarder, the cement properties can meet the requirements of the national standard.
脱硫石膏作水泥缓凝剂必须低温烘干。
The FGD gypsum should be dried at low temperature for the use of cement retarder.
采用缓凝剂、纤维素醚、粘结剂改性，可以配制施工性、粘结性、耐候性良好的脱硫粉刷石膏。
By modification with retarders, HPMC and adhesive agents, FGD plastering gypsum can be prepared with good workability, adhesive capacity and climate resistant.
通过大量的化验室小磨配比试验，研究了脱硫石膏代替天然二水石膏作水泥缓凝剂对普通水泥、矿渣水泥各项性能的影响。
After many grinding mixture ratio tests in laboratories, the paper studies the effect on ordinary cement and slag cement of desulfurized gypsum as cement retarder, instead of raw gypsum.
这种固化石膏可以用于水泥缓凝剂和建筑石膏的原材料。
The cured gypsum can be used as the raw material of a cement retarder and building gypsum.
将多种缓凝剂、纤维素醚、憎水剂、粘结剂分别加入脱硫建筑石膏中进行相关性能的测试；
A variety of retarders, HPMC, waterproofing agent, adhesive agents were added to the FGD building gypsum respectively and tested for some relevant performance;
本文综述了国内外建筑石膏减水剂、缓凝剂、保水剂研究的现状，并对国内石膏外加剂研究与应用中存在的问题进行了分析。
In this paper, the status and development tendency of research on building gypsum admixtures such as water-reducing agents, retardants, and water-retention agents both at home and abroad a...
本文综述了国内外建筑石膏减水剂、缓凝剂、保水剂研究的现状，并对国内石膏外加剂研究与应用中存在的问题进行了分析。
In this paper, the status and development tendency of research on building gypsum admixtures such as water-reducing agents, retardants, and water-retention agents both at home and abroad a...
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