UCG is promoted as a relatively clean method of exploiting coal seams that are too deep or thin to be tapped economically using conventional mining.
相对于传统的采矿技术来说，煤炭地下气化技术在开采过深或过浅煤层时更为适用，这种技术不仅开采成本较低，而且开采过程较为清洁。
More than half of Appalachian coal mining is done by the wrenching mountaintop removal method.
阿帕拉契山脉一半多煤矿都采用山巅移除采矿的方法。
This paper analysis a variety of ventilating systems adopted in the coal face in mining coal of our country by using the method of statistics and compares their advantages and the range available.
本文用统计分析法介绍和分析了我国煤炭开采中，采煤工作面采用的各种通风系统并对比其优点和适用范围。
Taking Chenzhuang residential quarter of Pingdingshan Coal Mining Bureau for example, the evaluation method of foundation stability over goaf was systematically studied.
以平顶山矿务局陈庄住宅小区为实例，系统地研究了老采空区上方地基稳定性的评价方法。
Abstract: with the mine production mechanization degree unceasing enhancement, as a traditional method of coal blasting fall coal mining machinery has gradually be replaced.
摘要：随着煤矿生产机械化程度的不断提高，作为传统采煤方法的爆破落煤已逐渐被机械采煤所代替。
Based on achieved rock movement parameters and experience of mining coal under buildings, determine a kind of optimum method of mining coal under village and take a primary approach.
通过结合矿区已获得的岩石移动参数和已有建筑物下采煤的经验，确定出一种村庄下采煤的最优方法，并进行了初步探讨。
The main contents of the water prospection and dewatering design is presented. The mining method for down? Coal? Seam is discussed. Some safety measures are put forward.
介绍了积水区探放水设计的主要内容，讨论了下煤层开采的基本方法，提出了几点重要的安全措施。
The actual application of the irregular mining method "tree branch form" mining method in the coal pipe is introduced.
介绍了非正规采煤法“树枝状”采煤法在极薄煤层开采中的实际应用；
The paper researchs the principle of protective seam mining, hydraulic slotting method and executing-digging technology to avoid risk of coal-gas outburst, and its practices in coal mine.
通过分析近距离保护层开采、水力掏槽法及边抽边掘技术防治煤与瓦斯突出原理及实践应用，从而有利于煤与瓦斯突出矿井选择合理有效的防突技术。
On the basis of probability integration method for flat coal seam, the paper discusses surface subsidence random medium model for mining inclined seams with an Angle of a.
在水平煤层概率积分法的基础上，讨论了开采倾角为口的倾斜煤层的地表下沉随机介质模型。
The application of new mining method is benefic to avoiding mutual effect between steeply inclined near coal seams, improving production ability and recovery, forming canonical ventilation system.
新型采煤法的实施有利于避免急斜近距煤层开采的相互影响，提高生产能力和采出率，形成规范的通风系统。
A coal mining method with a combination of a slicing and caving, a double benefit in control of water conducted crack zone development and in reduction of coal production cost can be obtained.
对厚煤层采用分层与放顶煤相结合的采煤方法，既可控制导水裂缝带的发育高度，又可降低生产成本。
The impacts on the security of Xifeihe River left embankment under coal mining are evaluated with elastoplastic model, two-exponent rheological model and probability integral method.
然后利用数值模拟软件中的弹塑性模型和流变模型及概率积分法开展煤层开采对西淝河左大堤安全的影响评价。
The quick repairing method for the milling coal hole in the mining area is introduced.
简要介绍了在用的阶段溜煤眼的快速修复方法。
From the theoretical and experimental study, the paper made a brief analysis of the advancing coal mining method affected on coal and gas outbursts.
从理论和试验研究两方面浅析了前进式采煤法对煤与瓦斯突出的影响。
The method of plate and shall large deformation rotation analysis is used in Wangying coal mining district, Fuxin area to predict faults and fractures in coal seams.
用板壳大变形理论转动角计算方法，对阜新矿区王营井田煤层大变形断裂和破裂带进行分析和预测。
This paper introduces the advantages and disadvantages of each coal mining method in the thick seam, and connecting with the features of Wangjialing Mine, selects the appropriate coal mining method.
介绍了各种厚煤层采煤方法的优缺点，并结合王家岭矿井特点，选择了合适的采煤方法。
The method of wall mining without pillars was first used in coal mine. In the metal mine it has not been used yet.
壁式无矿柱采矿首先是在煤矿推行，金属矿还未实现壁式无矿柱采矿。
A numerical example shows that this method is effective and easily to come into use in the fields of top coal caving mining and coal mining under water bodies in future.
算例的计算结果表明，该方法简单、快速，有望在放顶煤开采和水体下采煤中得到应用。
This paper analyzed the problems of the belt deviation for belt conveyor of the underground coal-mining, and summarized the corrective method for preventing the belt deviation of the belt conveyor.
针对煤矿井下胶带输送机胶带跑偏问题进行了分析，总结出了输送机胶带防止跑偏的防治方法，对胶带输送机在现场的使用和维护具有一定的实用价值。
In solving the problem of deformation in surrounding rocks of the overlying coal entry caused by upper protective seam mining, reinforcing the surrounding rocks by grouting is a feasible method.
为了解决下保护层开采对上覆煤层巷道围岩变形的影响，采用注浆加固巷道围岩是一种可行的方法。
Analyses factors that affect cover caving ability of roof coal in sublevel caving mining method.
分析了放顶煤开采顶煤冒放性的影响因素。
The paper has quantitatively studied the evolution history of coalbed methane (CBM) of main coal seams in Liulin Mining Area of Hedong Coalfield by using numerical simulation method.
运用数值模拟方法对河东煤田柳林矿区主煤层煤层气地质演化史进行了定量模拟研究。
The method and measure to detect the fault and coal seam in construction of No 12 mining area in the Chen Mine, Yongcheng is introduced.
介绍了在永城车集矿12采区工程施工中，如何解决井下探测断层与煤层的方法与措施。
The paper studied the gateway layout, the sectional top coal height and the coal mining technology of the coal mining method. Then the gateway and pillar top coal caving technology was developed.
对该采煤方法的巷道布置、阶段顶煤高度以及回采工艺进行了研究，形成了巷柱式放顶煤开采技术。
With the fault tree analysis method, the paper analyzes belt faults of the coal mining belt conveyor such as deviation, slipping, tear and breakage, focusing on the conveyor belt fire accident.
采用故障树分析法对煤矿井下带式输送机输送带的跑偏、打滑、撕裂、断带故障进行分析，重点对输送带着火事故进行分析。
Optimization of mining ventilation system has been one of the critical issues for coal mine's safe production, and should be solved by scientific and reasonable method.
矿井通风系统优化已经成为煤矿安全生产的一个关键问题，对其应有科学、合理的选择方法。
Optimization of mining ventilation system has been one of the critical issues for coal mine's safe production, and should be solved by scientific and reasonable method.
矿井通风系统优化已经成为煤矿安全生产的一个关键问题，对其应有科学、合理的选择方法。
应用推荐