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- Enhancement mechanism of S-activator on high calcium PFA expansive cement was studied by means of DSC, XRD, SEM, etc. 采用DSC、XRD、SEM等微观分析方法研究了S-激发剂对高钙粉煤灰膨胀水泥的增强机理。
- The high expansion foam fire system (HEFF) is very effective to fire distinguishing due to the high output and speedily spreading of foam with advantages of low water consumption. 高倍数泡沫灭火系统具有用水量少、发泡量大、淹没速度快、灭火能力强的特点。
- The effect of ettringite structural transformation on expansive behavior of expansion cement was found. 研究低钙粉煤灰对氧化镁微膨胀水泥的膨胀性能与水泥石孔结构的影响。
- The flame retarding methods and flame retardant of high expansion PE were studied according to burning phenomenon of polymer and flame retarding mechanism. 根据聚合物燃烧现象和一般阻燃机理寻求研究高发泡聚乙烯的阻燃方法和阻燃剂。
- The long-term expansion of harden expansive cement paste should mainly attribute to the water absorption of gel-alike AFt. 膨胀水泥硬化浆体的后期膨胀主要依靠凝胶状aft吸水肿胀而形成驱动力。
- Abstract : The high expansion foam fire system (HEFF) is very effective to fire distinguishing due to the high output and speedily spreading of foam with advantages of low water consumption. 随着我国经济的迅速发展,各种潜在火灾危险的工商业和民用建筑日益增多,消防新技术、新设备的需求也越来越大。
- The relationships among properties, cold rolling process and stabilizing treatment had been investigated for the laterally welded bimetal strips of high expansion component alloy 304. 对彩管用横拼双金属材料中的高膨胀组元合金304钢带的性能与冷轧工艺、稳定化处理工艺之间的关系作了系统研究。
- The effect of low calcium fly ash on expansive property and pore structure characteristics of the MgO slight expansive cement paste were investigated. 研究低钙粉煤灰对氧化镁微膨胀水泥的膨胀性能与水泥石孔结构的影响。
- High Expansion Foam Riot Control System 高膨胀泡沫骚乱控制系统
- high expansion foam fire extinguishing system 高倍数泡沫系统
- On the roof of coal bed are consists of the mudstones in dark-gray or grizzle which will expand met water and wet air, with higher expansion stress and coefficient. 煤层顶板为深灰色和灰色泥岩,该岩石遇水和潮湿空气产生膨胀,膨胀应力和膨胀率大。
- high expansion coefficient alloy 高膨胀合金
- extinguisher with high expansion of foam 高倍数泡沫灭火器
- high expansion foam extinguisher 高爆塑性装药弹
- HXD( high expansion lamina dryer ) HXD(高膨胀叶丝干燥)
- expansive cement concrete pavement 膨胀水泥混凝土路面
- Due to the object oriented software engineering idea in this system,it has high expansibility and can fit for complicated client environment. 由于采用面向对象软件工程思想,该系统具有高可扩充性,能够适应复杂的客户环境。
- gypsum aluminate expansive cement 石膏矾土膨胀水泥
- The model is of several features, such as high expansibility and easy maintenance.And the realization process of this model is given at last. 该模型具有高扩展性、易维护的特点,最后给出其在实际系统中的实现。
- Expasivity of fly ash-double expansive cement gel 粉煤灰-双膨胀水泥胶材的膨胀性能