• In accordance with affect factor of big block coal and raise technical measures.

    针对大块煤影响因素提出技术措施

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  • Taking block coal as experimental coal sample, gas emission characteristics of block coal was tested and studied.

    块煤实验实验研究了大块煤瓦斯放散特性

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  • Accordingly, the distribution of abutment pressure on the block coal pillar is measured at working face with a steeply inclined seam of the12010 face, NO.

    据此原理,实测得到平煤集团十三矿12010大倾角综放开采工作面走向支承压力区段煤柱侧向支承压力分布

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  • Earthjustice, a nonprofit environmental law firm, is suing to block the lease of state-owned land in Otter Creek, Mont., to Arch Coal for mining to serve demand in Asia and elsewhere.

    地球公正一个非盈利环保律师事务所正在请求阻止租赁蒙大拿奥特·克里克国有土地和劝阻阿煤炭公司开采煤矿用于满足亚洲其它地区需求

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  • The new kid on the energy block, shale gas, may be worse in climate change terms than coal, a study concludes.

    一项研究指出:作为能源家族成员,页岩气候变化的影响高于煤炭

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  • We have got good economic benefit by adopting the apply of multiple ceiling coal mining in the Mine Block of Hegang.

    鹤岗矿业集团公司应用综采放顶煤采煤取得良好经济效益

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  • A block of compressed coal dust, charcoal, or sawdust and wood chips, used for fuel and kindling.

    煤砖,砖把煤灰,木炭木片压缩制成砖块状物,用作燃料点火

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  • Taking coal plough as control object and finding association condition influencing on lifting and falling of coal plough, it designed general PLC function block.

    控制对象通过找出影响其抬起落下关联条件设计出了通用PL C功能

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  • The system was successfully applied to guide the design of the site hydraulic fracturing operation for the coal bed methane well in Panzhuang Block of Qinshui Basin.

    这一系统成功地应用指导沁水盆地潘庄区块煤层气垂直现场水力压裂施工设计

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  • Yanma minefield, a block with large gas content, coal thickness variation in structure, is controlled by Fenghuangling Fault and Yuhe Fault.

    井田凤凰岭断层峪河断层控制的断瓦斯含量较高,构造变化

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  • Since the fact that the work condition under the shaft in coal mine is comparatively odiously , electric motor block rate is particularly tall.

    由于煤矿井下的工作条件比较恶劣,电动机故障率特别高。

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  • The manganese slags after pre-treated can replace coal cinder in producing hollow block.

    经过预处理可以代替煤渣生产空心砌块;

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  • In the process of its put into operation some problems were revealed, including coal block, difficult slag discharge, excessive output of fans and so on.

    投运过程暴露不少问题、排困难风机出力过大等。

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  • Based on observation of coal cores it is concluded that the coal core consists of different forms in shape, controlled by coal block texture.

    通过样品观察研究得出,煤心具有不同形状,此形状煤体结构制约,区分不同煤心形状,能确定煤层中不同的煤体结构

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  • This paper introduces the application of equi-block indexation method in geological condition evaluation of comprehensive mechanized coal mining.

    介绍了等块段指数矿井综采地质条件评价中的应用

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  • The direction of grid lines in the burner block is consistent with the direction of pulverized coal jet, which can reduce false diffusion in the simulation.

    燃烧器区域处使网格线煤粉射流方向基本一致有效地减小数值模拟中的扩散问题

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  • Within the north structure block, with the influence of the thin seam thickness, the thickness of the structure coal seam was relevantly thin.

    北部构造区内受煤层厚度影响,构造厚度相对薄。

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  • Said invention has good effect for preventing coal block from being broken, and its coal block breaking rate is low.

    发明防止煤块破碎效果,破碎低,且具有圆形立仓的防堵塞作用。

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  • It deals with the principles, mathematic model, block diagram, function of FVP-77 computer pro - gram, and possibility of calculating ventilation system in large coal mines.

    介绍FVP- 77电算程序原理、数模、框图功能。并说明了它解大型及特大型矿井通风系统可行性

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  • Polyurethane products mainly include: polyurethane block of coal plates, polyurethane scraper, etc., to meet different customer needs, special orders can be made as drawing and sample.

    聚氨酯系列产品主要包括:聚氨酯、聚氨酯刮刀满足不同客户需求根据图纸样品定做各种规格的产品。

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  • Polyurethane products mainly include: polyurethane block of coal plates, polyurethane scraper, etc., to meet different customer needs, special orders can be made as drawing and sample.

    聚氨酯系列产品主要包括:聚氨酯、聚氨酯刮刀满足不同客户需求根据图纸样品定做各种规格的产品。

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