燃烧煤矸石的火山灰活性煅烧石膏对粉煤灰-石灰体系火山灰反应的影响
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the fact that coal mine refuse of yongcheng is sandy mudstone was confirmed by xrd.
经XRD证实永城煤矸石是砂质泥岩。
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Serious ecological destruction is caused by the discharge of plenty of sulfide and mine refuse.
大量硫化物排放及矿渣污染造成严重的生态破坏.
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Feasibility studies on coal-fly-ash application in refuse dump of coal mine for soil improvement
用粉煤灰对煤矿排土场土壤改良可行性研究
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本文采用盆栽试验通过测定排土场土壤中菌剂与肥料配施对紫花苜蓿生长发育的影响，进而探索菌根剂与肥料的配施对矿区土壤的改良作用。
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本文介绍从南桐矿务局干坝子选煤厂洗选尾矸中回收黄铁矿的工业性试验生产流程。
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提出了3种矸石充填开采对提高资源采出率、延长矿井服务年限的重大意义及推广应用价值。
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The entire village was engulfed in the mud refuse from an mine collapse collapsed.
铁矿的尾矿库溃坝,将整个村庄完全淹没在泥浆中.
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Feasibility analysis on hollow brick made of coal refuse from West Open Pit Mine
利用露天矿煤矸石制空心砖可行性分析
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