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- The effects of desulphurize ash containing more CaSO3 on the setting time of cement clinker with various content of C3A and C4AF were studied. 研究了亚硫酸钙含量较多的脱硫灰对C_3A和C_4AF含量不同的水泥熟料凝结时间的影响。研究结果表明:亚硫酸钙对C_4AF有缓凝作用,而对C_3A基本不具缓凝作用;
- It shows that the shrinkage caused by the large content of cement can reduce by partial filling prewetting haydite in the high-strength and lightweight aggregate concrete. 结果表明,通过在高强混凝土中掺加部分提前用水浸泡过陶粒的办法,可以减少高强混凝土因水泥用量过大而引起的较大收缩。
- At the same time,the polymer latexes can affect the hydration of cement,reduce the content of calcium hvdroxide in thc composite,retard the corro-sion of glass... 同时还发现聚合物能影响水泥的水化反应，降低体系游离氢氧化钙含量，起了减缓玻纤被腐蚀的作用，从而改善了复合材料的耐久性。
- Concrete is made of cement, sand, stone and water. 混凝土是由水泥，砂子石头和水混合做的。
- The sack of cement hit the ground with a thump. 水泥袋砰的一声落在地上。
- The micro_expansive agent is made up of fly ash, CAS and FSL(content of gypsum range). The experiment has shown that the concrete incorporating fly ash, expansive agent (CAS and FSL) for substituting a part of cement can produce delayed expansion. 研究了以粉煤灰、氟石膏摊平剂FSL的适宜组分组成的微膨胀剂和石膏系膨胀剂CAS替代部分水泥使混凝土产生延时膨胀的作用 ,通过控制微膨胀剂对混凝土的延时膨胀 ,使其与混凝土的温度变形相匹配 ;
- In this paper, the effects of calcination temperature, holding time and content of dolomite on the strength and expansion rate of cement mixed with calcined dolomite were investigated. 研究了白云石的煅烧温度、保温时间以及掺量等因素对水泥物理性能和膨胀行为的影响.;结果发现;随着白云石煅烧温度的提高;水泥石的强度降低;膨胀率增大;
- In this paper, the effects of calcination temperature, holding time and content of dolomite on the strength and expansion rate of cement mixed with calcined dolomite are investigated. 研究了白云石的煅烧温度、保温时间以及掺量等对水泥物理性能和膨胀行为的影响规律。
- When keeping the constant W/B ratio and the content of cement pastes, superplasticizers can increase free shrinkage of mortars, but CLS can slightly decrease free shrinkage of mortars. 掺高效减水剂增大了砂浆的自由收缩值，且萘系比聚羧酸类减水剂更会增大砂浆自由收缩值，而掺木质素系减水剂能稍微降低砂浆自由收缩值。
- What about the removal of cement sub-gingivally? 如何清除龈下的粘固剂?
- In this paper, the early hydration processes of cement pastes including various contents of coal stone were studied by alternating current impedance spectroscopy. 摘要采用交流阻抗谱方法对掺加不同量煤矸石的水泥浆体的早期水化过程进行了研究。
- Concrete is made of cement,sand,stone and water. 混凝土是由水泥、砂子、石头和水混合做的。
- The builders poured a solid foundation of cement. 建筑工人浇注了坚实的水泥地基。
- The entire content of a book will be located on a single silicon chip. 整本书的内容只用一片硅芯片就可以装下。
- The sack of cement hit the grind with a thump. 水泥袋砰的一声落在地上。
- The cellars made of cement are used for census. 水泥建的地下室用来做人口普查。
- The thieves got away with the contents of the safe. 那些窃贼偷走了保险箱内的东西。
- Foundation Load Calculation of Cement Plant E.P. 水泥厂电收尘器基础负荷的计算。
- The bridge was constructed (out) of cement. 这座桥是用水泥建造的。
- A blackboard is painted layers of cement. 黑板就是涂上的一层层水泥。
