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.
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.
为了控制其凝结时间，需加入2%的缓凝剂。
In order to control its coagulation time, 2% retarder should be added.
缓凝剂的缓凝效果，受环境温度的影响十分明显。
Circumstance temperature influences the function of retarder for concrete apperantly.
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.
SEM图像表明，掺超缓凝剂的水泥硬化结构更加致密。
SEM photographs indicate that the microstructure of hardening cement with super-retarding agent is more compact.
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.
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.
研究了数种缓凝剂对碱碳酸盐矿-矿渣灌浆材料工作性能的影响。
The effect of some setting retarders on the workability of alkali-activated carbonatite-slag grouting material(AACSGM for short) was investigated.
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.
葡萄糖酸钠作为一种良好的缓凝剂，对水泥也有较显著的塑化效果。
The sodium gluconate has served as one kind of good retarder, and also has the excellent plasticization effect to the cement.
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.
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.
研究了使用双快水泥和缓凝剂配制混凝土的凝结硬化性能和强度性能。
This paper studied the setting and hardening property and strength property of concrete prepared by fast setting and hardening cement and retarding admixture.
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.
为此，研制了一种在一定温度范围内对温度不太敏感的宽温带缓凝剂AS。
In this paper, a wideband retarder AS was developed which is insensitive to temperature within a certain temperature range.
对缓凝剂进行试验和分析，并配置缓凝型减水剂，对混凝土的性能进行分析。
Experiment and analysis were set for retarder, and retarding plasticizers were matched to analyze the concrete performance.
实验分析了不同电压、不同水泥品种、缓凝剂对电渗滤水混凝土性能的影响。
The experimental results indicate that ZnO retarder can increase the filtering velocity markedly, which ensures the strength and durability of filtering concrete effectively.
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.
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.
试验结果表明，复合使用高效减水剂和缓凝剂，能有效控制混凝土坍落度经时损失。
Experiment results showed that compound use of efficient water-reducing admixture and retarding agent can efficiently control the pumped concrete slump loses through time.
试验表明，该新工艺可生产出合格水泥缓凝剂产品，并且能耗低，成本低，无二次污染。
The trials show the cement retarder acceptable at lower energy consumption, lower cost and no secondary pollution.
试验表明，该新工艺可生产出合格水泥缓凝剂产品，并且能耗低，成本低，无二次污染。
The trials show the cement retarding agent acceptable at lower energy consumption, lower cost and no secondary pollution.
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.
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.
方法利用XRD和SEM等微观手段，对掺入超缓凝剂水泥砂浆的缓凝性能进行了测试和表征。
The retarding properties of cement paste with the super-retarding agent have been characterized and analyzed by means of XRD and SEM.
方法利用XRD和SEM等微观手段，对掺入超缓凝剂水泥砂浆的缓凝性能进行了测试和表征。
The retarding properties of cement paste with the super-retarding agent have been characterized and analyzed by means of XRD and SEM.
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