fine aggregate

The production line built up by taking this technology has proved that processed quartz fine sand is high & stable in quality and low in cost with great product value-added potential.

利用该技术建成的生产线的生产实践证明:经该法处理后的石英细砂质量优异、稳定,成本低廉,产品增值潜力巨大;尾泥利用途径广阔,有利于环境保护,从根本上解决了硅砂行业可持续发展的难题,实现了真正意义上的"清洁"生产。

The miscellaneous problems concerned in optimum design of sandstone daggregate yard of concrete dam were systematically analyzed,on the basis of full consideration of the quanlitative and quantitative index,from quantity,quality,technique,environment protection benefit index.

针对砂石骨料场方案优选中所涉及的因素多而繁琐的问题,进行系统的分析,充分考虑定性和定量指标,从数量、质量、技术、环保、效益指标出发,提出了料场方案选址的多目标模糊优选模型。