权威例句
About the Prevention and Cure of the Defects of the Quality of the Air Entraining Cement-brick WallCONCENTRATED REINFORCED CONCRETE BEAMS AND AIR ENTRAINING CEMENT BUILD COMPOUND FLOORSExperiences With Air-Entraining Cement in Central-Mixed ConcreteFreezing of air-entrained cement-based materials and specific actions of air-entraining agentsThe effect of superplasticizers and air-entraining agents on the Zeta potential of cement particlesMeasurement of adsorption of air-entraining admixture on fly ash in concrete and cementAir-entraining agent for flyash cement compositionAir-entraining agent and method of producing sameAir-entraining water-reducing agents for cement compositionCHEMICAL STRUCTURES AND PERFORMANCE OF NEW HIGH-RANGE WATER-REDUCING AND AIR-ENTRAINING AGENTS