查询词典 coal mine

This paper gives a detailed analysis on the influences of the coal mining on geology, water resources, atmosphere, entironment aspect and so on, puts forward all kinds of environmental problems existing in the coal mine exploitation in Weixin county, and then proposes relevant scientific foundation to the countermeasure of researching the coal mining in Weixin county.

本文分别从煤炭开采对地质、水资源、大气、生态环境等多个方面的影响作了详细的分析，提出了威信县煤矿开采中存在的各种环境问题，为威信县煤矿开采对策研究提供相应的科学依据。

To further optimalize technical process of coal preparation plant,enhance automation control degree,Guhanshan Coal Mine Coal Preparation Plant combine PLCcontrol technology with production's request and characteristic of actual technique.According to these methods,continuous working of many equipment can be controlled automatically,operating personnel quantity and labor intensity also can be reduced,product quality question and safety incident caused by personnel,equipment operation...

为了进一步优化选煤厂工艺流程，提高自动化控制程度，采用PLC控制技术与实际生产工艺的要求和特点相结合的方式，实现了自动化控制多台设备连续性作业，降低了作业人员数量和劳动强度，有效减少了人员、设备操作等因素造成的产品质量问题和安全事故，提高了生产工艺中高精度控制的准确性。

The coal seam of No. 5102 face in Wuyang coal mine is steep, soft, and undulate. Aiming at this problem, the displacement and stress of top coal, roof and floor were researched by using UDEC software.

针对五阳煤矿5102工作面倾角大、煤层松软、煤层起伏大、综放开采的条件，利用UDEC数值模拟软件分别通过沿工作面走向和倾向剖面建立模型，对顶板、底板的位移和应力变化进行了研究。

Unloading coal and the going up coal control system to be a public system comparatively huge in the heat and power plant ,its transport course is accomplishing byes way of the leather belt conveyer ,and the whole system carries the longer ribbon conveyer of distance to be gone here and there and come into contact with by many, this kind of leather belt transport plane gets extensively the use in builing productions such as material, chemical industry, foodstuff, machinery, iron and steel, metallurgy and coal mine etc.

摘 要：卸煤及上煤控制系统是热电厂中较为庞大的一个公用系统，它的输送过程是通过皮带输送机来完成，整个系统由多台输送距离较长的带式输送机串接而成。这种皮带运输机在建材、化工、食品、机械、钢铁、冶金、煤矿等生产中得到广泛使用。

Coal gangue is industrial solid residues that are discharged when coal is excavated and washed in the production course of coal mine, and is one of the most industrial solid castoffs in our country.

煤矸石是煤矿生产过程中采煤和洗煤时被分离出来的废渣，是我国目前排放量最大的工业固体废弃物之一。

In this paper, hazard theory is combined with coal mine gas accident and coal mine hazard is put forward, analyzing gas accident hazard by the three class of hazard.

本文将危险源理论和煤矿瓦斯事故相结合，提出煤矿危险源这一全新概念，用三类危险源思想来分析瓦斯事故危险源。

But the air flow that coal mine need and characteristic curve of resistance of coal mine is alterable.

轴流式风机的实际工况，取决于风机的特性曲线和矿井的阻力特性曲线。

However, the coal bunker channeling warehouses in China coal mine accidents occur frequently. only Huaibei Mining Group owned the mine will annually dozen or even several dozens of warehouses with channeling the accident occurred.

但是，煤仓窜仓事故在我国煤矿经常发生，仅淮北矿业集团所属各煤矿每年就有十几起甚至几十起窜仓事故发生。

After the coal mine mine shaft electric cable damage causes,receives an elective shock the accident and fire the gas,the coal dust equipollent especially big accident occurrence more over the electric cable fund invests in a big way.

煤矿井下电缆损伤后，引起触电事故和火灾、瓦斯、煤尘等重特大事故的发生，而且电缆资金投入大。

This project mainly study and develop the sample system, antenna and processing software about flameproof ground penetrating radar. The study aim is to use this technology to coal mine, providing the safe guarantee of coal mine.

本项目主要研究和开发防爆地质雷达采集系统、天线和处理分析软件，目的将地质雷达这一高新技术更好服务于煤矿的生产实践，为煤矿的高产高效安全生产提供地质探测保障。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48