喷雾沉积是制取大体积快凝材料的一种新工艺。
Spray deposition is a new technique which can be used to manufacture rapid solidified materials in large dimensions.
拱顶的建造主体采用快凝石膏灰浆，并在边缘采用泥瓦。
The vaulting method used relies on fast-setting gypsum mortar and earth tiles laid on edge.
研究结果表明，制备的冷喷涂用ZA20、ZA27合金快凝粉末粒度分布均匀，组织为细小的等轴晶；
The results show that the grain size of produced ZA20, ZA27 alloy powder for cold spray is homogeneous, and the phase of the coat is equal axis crystal.
顶替效率高。介绍了国外常见的几种深水固井水泥浆技术，包括快凝石膏水泥浆体系、PSD水泥浆技术、高铝水泥、充气水泥浆技术和其他水泥浆技术。
The several conventional cementing technologies for deep sea abroad were reviewed which included rapid setting gypsum slurry, PSD slurry, high alumina slurry, aerated slurry and so on.
对絮凝过程的监测结果表明，高锰酸盐复合药剂强化了混凝过程，絮体形成快，絮体粒径大。
The monitoring results of flocculation process showed that potassium permanganate composite chemicals enhanced flocculation process, quickened floc forming and increased the floc size.
此法的显著特点是混凝沉降速度快，污泥体积小，处理废水费用低。
The remarkable characteristics of this method is a higher rate of settlement, a smaller volume of sludge, and a lower cost of treatment.
普通氯氧镁胶凝材料凝结硬化快，影响了制品的成型操作和表面质量，尤其是在夏天高温季节更为突出。
The common magnesium oxychloride cementing material sets and hardens very fast, thus affects the forming operation and surface quality of the product, especially in summer - high temperature season.
着重观测了快(闪)凝与正常凝的水泥熟料的结构和水化过程的显著差别。
A quick-setting (flash-setting) cement and a no (?) mal-setting cement were systematically studied for the difference in petrographic structure of clinker, their hydration and hardening of cements.
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.
具有快硬、早强、耐腐蚀、耐高温的水硬性胶凝材料；
With a rapid hardening, early strength, corrosion resistance, resistance to high temperature of the water rigid gelled material;
具有快硬、早强、耐腐蚀、耐高温的水硬性胶凝材料；
With a rapid hardening, early strength, corrosion resistance, resistance to high temperature of the water rigid gelled material;
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