查询词典 coal mining

Through methane simulation experiment on ignition and blasting due to seam roof rock friction in Qinshui Coal Mining District of Yangcheng, it is shown that sparks will be generated through friction while caving ,causing gas and water mixture to fire, it is big hidden sources which cause methane blasting accident in goaf.

通过对阳城沁水矿区煤层顶板岩石相互摩擦引燃引爆瓦斯模拟实验，得出&岩石在冒落过程中相互撞击摩擦产生火花，可能引起瓦斯与空气混合物着火，是造成采空区瓦斯爆炸事故引爆源&的结论。

Intelligent control technology of large-scale equipments in comprehensive mechanized coal mining face (including the electric explosion-proof technique, control circuit design of essence safety type and double-engine double-speed dragging heavy load control technique of scraper conveyer); no exceeding limit gas safety and high efficiency emission technique (including air flow control strategy, control method, and etc.); failure protection technique for safe power supply of mine power grid (including two-grade selective electric leakage protection and phase sensitive protection technique, etc.).

关键技术分别为多局部通风机故障诊断和冗余控制技术（包括掘进工作面供电系统多源信息融合、故障测寻、故障诊断、多局部通风机三重冗余控制方法和控制策略等）；综采工作面大型设备的智能控制技术（包括电气防爆技术、本质安全型控制电路设计、刮板输送机双机双速拖动重载控制技术等）；瓦斯无超限安全高效排放技术（包括风量控制策略、控制方法等）；矿井电网安全供电的故障保护技术（包括两级选择性漏电保护和相敏保护技术等）。

Jurassic red strata water is one of main hazard in Yanzhou coal mining area .

侏罗系红层水是兖州矿区主要水害之一。

The formula concerning how to control the oil contamination of coal mining machine hydraulic system was built based on the theory of the contamination control ,it is shown that the change of the oil contamination is in index regularity.

根据污染控制理论导出了采煤机液压系统油液污染控制方程，由方程知液压系统油液污染度的变化是按指数规律变化的，并分析了影响采煤机液压系统油液污染度的主要因素，提出在液压系统的设计阶段就要考虑液压系统的过滤净化性能，正确控制液压系统油液污染。

The paper introduced the development history of the hydraulic powered technology of the hydraulic powered support,the electric and hydraulic control system of the hydraulic powered support and coal mining face automation technology.

介绍了支架液压技术、液压支架电液控制系统及工作面自动化技术发展历程，分析了各阶段技术发展特点，展望了未来技术发展趋势。

Nothing was said, for example, about the impacts of acid-rain controls on regional coal-mining employment or customers electric bills. Nor were the benefits of acid-rain controls reported in ways that members of Congress or the public could understand.

如这一计划丝毫没有提到酸雨控制给地区性采煤工业就业率所带来的影响以及对广大消费者用电费用的影响，也没有向国会议员和公众报告酸雨控制所带来的益处。

The article elaborates the principle, the characterisitic and the danger form of the subsidence, which is caused by coal mining in the quick-sloping coalface, in the area of Urumuqi, and it also gives us some suggestion about the measures of harnessing the subsidence.

文章阐述了乌鲁木齐地区急倾斜煤层采煤塌陷机理、特点和危害形式，并对塌陷治理措施提出了建议。

From the result,the stress status evaluation based on geology dynamic division has important significance for the design and implementation of coal mining engineering. geology dynamic division ; geotectonic model ; stress status

本文对荆各庄井田岩体应力状态进行分析，并将结果应用于矿井巷道失稳分析和支护设计、矿山压力预测、沉陷预测等采矿工程的相关问题。1基于地质动力区划的岩体应力分析建立区域地质构造模型、岩性分布模型，根据已知点提供的地应力数据作为边界及加载条件，进行相应的理论或数值分析，是进行区域岩体应力状态

Analysis on the stress status of sprayed porcelain coatings;2. Earthquakes in the Shanxi-Reservoir,Zhejiang Province:source parameters determining and description of the tectonic fault and static stress status ;3. From the result,the stress status evaluation based on geology dynamic division has important significance for the design and implementation of coal mining engineeri.

为了研究矿区岩体应力状态，利用地质动力区划方法研究了区域地质构造，建立了区域地质模型，计算了构造应力场并划分出高构造应力区和高构造应力梯度区，分析了岩体应力状态与巷道稳定性、开采沉陷、矿山压力显现等的关系。

The Qinshui basin presents NEE synclinoria structure, the marginal area of which has disadvantages for CO2 storage because of welldeveloped faults and fractures, coal mining and a strong hydrodynamic condition; while the centre of which provides good advantages for CO2 storage due to its stable structure, favorable regional caprocks and weak hydrodynamic condition.

沁水盆地为一NNE复向斜构造，其边缘地区由于断裂发育、强水动力条件和煤矿的开采，不利于CO2埋藏。盆地中心区稳定的构造环境、弱水动力条件及良好的区域性盖层为CO2埋藏提供了很好的保存条件。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。