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- 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
- Waste rock resource 废石资源
- The miners muck the waste rock every other day. 矿工每隔一天清除一次矸石。
- 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。
- 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。
- Chian is serious short of potash resource bat explointing new type and develop and utilize potassium rich rock resource is a problen that can get solved resource. 中国钾矿资源严重不足,寻找钾矿新类型和富钾(岩石)资源,应成为解决中国钾资源紧缺的重要任务。中国西部钾矿资源分布很不平衡。青海与新疆是远景最大、质量最佳的成矿区。
- Taking an iron mine as example, the burden principles and methods for making the microcrystal glass from tailings and waste rock are described. 以某铁矿为例,阐述了利用尾矿废石制作微晶玻璃的配料原则和配料方法。
- Based on China's phosphate rock resources,the popularization of this proc... 从我国磷矿资源情况来看,推广应用这种流程对磷铵生产有非常大的现实意义。
- The structure working principle and characteristics of switched reluctance drive are introduced.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。
- Gangue (the following abbreviation is waste rock) belong to clay kind mineral, it basically is by the acidity of aluminous, iron, silicate mineral place is comprised. 煤矸石(以下简称为矸石)属于粘土类矿物质,它主要是由铝、铁、硅酸盐的酸性矿物质所组成。
- To date,the water and soil conservation engineering of mine,such as filling ditch and constructing dam using waste rock,reclaimation and stopping water have gained good benefits. 利用废石填沟筑坝，造地还田，而且实施堵水工程，取得了较好的水土保护效果。
- 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 compression property test method of coarse fraction hand sorting waste rock, smelter slag and their mixed filling materials had been introduced in this paper. 本文主要介绍粗粒级手选废石、冶炼炉渣及二者按不同比例混合料的压缩性能测定方法。
- Based on the data of radon eduction rate and meteorological parameters measured in field, this paper discussed the relationship between the meteorological paramters and the surface radon eduction rate of flat or hill type of uramium waste rock heap. 在实测氡析出率和气象参数的基础上,讨论了气象参数对平坦型、型铀废石场表面氡析出率的影响。
- With the waste rock adit system of Lanjian Iron Mine of Panzhihua Steel Co. as the object,various analytic calculation methods were used to work out the relation between the critical explosive dosage and the distance in production. 以攀钢兰尖铁矿废石平硐系统为对象 ,采用不同的分析计算方法 ,导出了生产临界爆破药量和距离的关系。
- In mining the extremely fractured thin ore body,the separation of waste rock in the conventional shrinkage stoping was replaced by the separation of the rich ore and retaining the lean ore. 对极破碎薄矿体的开采,采用了将常规的留矿法中分选废石改为分选富矿石留贫矿石的采矿方法。
- It has abundant rock resources. 山里有丰富的岩石资源。
- 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。
- In order to study mechanism and distribution state of waste rock fragmentation, a fractal model of self-similarity about waste rock fragmentation was set up in fractal geometry in this paper. 摘要为了探讨冒矸破碎的机理及分布状态，从分形几何学的角度建立了冒矸破碎统计自相似分形模型，并通过随机破碎个数与自相似比的数学期望，给出了冒矸破碎分形自相似维数的计算公式；
