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- Groundwater Pollution Near Coal Waste Rock Dump 煤矸石山周围地下水污染状况
- Study on heavy metals in soil contaminated by coal waste rock pile 矿区煤矸石堆放引起土壤重金属污染研究
- Collapse treatment in a tunnel embedded in coal waste rock 煤矸石地层隧道塌方处理技术
- Effects of Weathering Degree on the Total Salt and pH of Weathering Coal Waste Rock 不同风化程度对煤矸石盐分与pH值的影响
- Study of Feasible Valuation on Comprehensive Utilization of Coal Waste Rock Resource 煤矸石资源综合利用可行性评价研究
- Coal waste rock agglomerated lacunaris bricks-constructing skills of a new wall material 煤矸石烧结多孔砖新型墙体材料施工技术
- Concrete construction of coal waste rock synthetically using bottom board of coal-storing tubular storehouse in power factory 煤矸石综合利用电厂储煤筒仓底板混凝土施工
- The miners muck the waste rock every other day. 矿工每隔一天清除一次矸石。
- coal waste rock pile 煤矸石堆
- Soil improved effect of vegetation restoration in Coal waste piles. 植被恢复下矸石山土壤改良效益研究。
- Large amount of poisonous gas,coal and waste rocks badly influence the safe product for coal mine,and also cause the economic loss to our country. 煤与瓦斯突出产生大量的煤与矸石和有毒的瓦斯气体,严重影响煤矿安全生产,给国家造成或大或小的经济损失。
- coal waste rock 煤矸石
- The mines have piled mountains of coal waste just next to the village. 村子旁边就是许多座煤渣山。
- Weathering of Copper Mine Waste Rock and Characteristics of Acid Wastewater. 铜矿废石风化及形成酸性废水特征
- It also gives the application of SRD in the mine winch of waste rock. 介绍了开关磁阻电机调速系统的构成、工作原理和特点,及其在煤矿矸石山绞车上的应用。
- Based on the characters of coal and waste rock diffuse reflections, the discriminating photoelectric system for selecting waste rock is manufactured and simulative test is made. 本文根据煤与矸石的漫反射特征，研制了光电选矸图像识别系统，并进行了现场模拟。
- The technology of roadway protection with coal waste residue concrete and application in thin coal seam are introduced. 介绍了煤矸渣混凝护巷技术及其在薄煤层中的应用。
- Robinia pseudoacacia is the best tree kind to improve soil of re-vegetation in the coal waste piles. 在同一植被恢复过的矸石山上刺槐林对土壤的改良作用最好。
- Powdery-ash to replace Portland cement in some concrete cement not only reduces the cost of coal waste can also reduce pollution and mitigate the fossil energy crisis. 粉煤灰掺入混凝土中取代部分水泥不仅可以降低混凝土成本,还可以减轻煤废料污染,缓解矿物能源危机。
- The mine debris flow is mostly caused by the illogically heaped waste rock and discard soil during exploiting mine resource. 矿山泥石流的形成与发生主要是因山区矿产资源开发过程中废石弃土不合理堆排造成的,以其物质来源亦称矿渣型泥石流。
