The influence on propylene epoxide by lots of mechanical admixture and chemical admixture in carbide slag, and the instability factors in production control were introduced.
介绍了电石渣中的大量机械杂质和化学杂质对环氧丙烷生产的影响及由其所引起的生产控制方面的不稳定因素。
There are three important parts related with HPC admixture. They are leading functional group, hydrogen bond and special chemical structure.
主导官能团、氢键、特殊化学结构，是高性能外加剂三个重要问题。
This paper expounds mineral composition, physical and chemical characteristics, activity and its evaluation of natural volcanic ash which is used as concrete admixture.
论述了天然火山灰用作混凝土掺合料的矿物组成、物化性能；火山灰活性及其评定。
Steel slag is not better to produce cement or mineral admixture of concrete because of poor grindability, larger fluctuation of chemical and mineral components, poor stability and so on.
由于钢渣成份波动大、易磨性差以及稳定性不好，钢渣用作水泥混合材或混凝土掺合料均难以达到高效、高值化利用的目的。
Product Description: Crystalline waterproofing admixture protects against water intrusion, leakage, cracking, chemical attack, and corrosion of reinforcing steel.
产品描述：结晶型防水混合物，保护防治水侵入，渗漏，开裂，化学侵害，钢筋腐蚀。
Product Description: Crystalline waterproofing admixture protects against water intrusion, leakage, cracking, chemical attack, and corrosion of reinforcing steel.
产品描述：结晶型防水混合物，保护防治水侵入，渗漏，开裂，化学侵害，钢筋腐蚀。
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