The paper studies on the principal technologies on coal desulfurization and retardant mechanism of cement retarder and active mechanism of cement mixed material.
The paper studies on the principal technologies on coal desulfurization and retardant mechanism of cement retarder and active mechanism of cement mixed material.
摘要介绍了煤炭脱硫产物和它们作水泥缓凝剂、水泥混合材的研究。