查询词典 coal mine

The storage of coal in China is considerable, as are coal-based energy is a long-term status will not be shaken, but China's coal is the main source of air pollution, and also by the development of clean coal technology to solve energy is a fundamental solution Program.

而煤炭存储量在我国的是相当大的，所也煤炭作为基础能源的地位是长期不会动摇的，但是燃煤是我国大气污染的主要来源，所也发展洁净煤技术是解决能源根本性解决方案。

Common form of 250,000 tons of coal washery coal washing products are used in Weishanhu Lake one-third of coking coal gas as raw materials, the coal with high heat. Low ash .

共同组建的25万吨洗煤厂洗选的精煤产品是采用微山湖三分之一气焦煤为原料，该煤具有发热量高。

Combining with the first domestic closed yard coal wharf coal silos (the planning design object of Tianjing Shenhua closed yard coal wharf second stage engineering), this thesis performs a profound research. It mainly includes the follows: Firstly, it illustrates the basic constitutes and operational processes of the coal wharf logistics system.

结合拟建设的我国首个圆筒仓封闭式煤炭码头——神华天津煤炭码头二期工程的规划设计项目，本文展开了深入研究，主要内容如下：首先，阐述并分析了煤炭码头物流系统的基本组成和工艺流程。

To give "coal king" of art to life, to make it more widely for the people, our company according to "Taixi coal" for the raw materials, combined with activated carbon technology, research to produce pleasing in appearance, exquisite craft "too West coal carving "works of art, so that the coal resources and sculpture into one of the world's first.

为赋予&煤中之王&之艺术生命，使其更广泛为民所用，我公司以&太西煤&为原材料，并结合活性炭工艺，研究制作出外形美观、工艺精湛的&太西煤雕&艺术作品，使煤炭资源与雕塑合为一体，为世界首创。

The high rotten coal (including the anthracite and meager coal ) radioactive level is relatively low,( 238U: 29.1Bq/kg , 232Th: 25.9Bq/kg , 226Ra: 37.5Bq/kg), obviously lower than the radioactive levels of the brown coal and bituminous coal, and fluctuating range little relatively stable until Lincang uranium germanium colliery HeKai Tian little dragon's pool power plant make , investigate than right far correctly, prove natural radioactive nuclide (238U , 232Th , 226Ra ) than activity transformation in the course of utilizing and give locality radiate influence that environment bring.

高变质煤放射性水平相对较低，（238U：29.1Bq/kg、232Th：25.9Bq/kg、226Ra：37.5Bq/kg），明显低于褐煤和烟煤的放射性水平，且波动范围较小、相对稳定通过对临沧铀锗煤矿田和开远小龙潭电厂作出调查比对，说明了天然放射性核素（238U、232Th、226Ra）比活度在利用过程中的转移以及给当地放射环境带来的影响。

The fire in the coalfields and coal mines is one of the serious disasters in coal production and arises from coal spontaneous combustion and coal exploitation.

煤田煤矿区火灾是煤炭生产中的主要灾害之一。煤田煤矿区火灾由自燃和人为因素引起。

In my paper, the storage characteristic of the coal seam and mechanical properties of gas-filled coal is introduced firstly, as offers the basis of the study of physical parameter and effective stress of coal and the foundation of the mathematical model of fluid-solid coupling of coal-bed gas.

本文首先对煤层瓦斯的储存特征及含瓦斯煤的主要物理力学特性进行了概述，为耦合物性参数和煤体有效应力的分析研究与建立煤层瓦斯流固耦合渗流模型提供了依据。

The coal feeder is favorable to utilizing coal of poor quality in coal burning boiler and can realize the reaonable laminar layout of poor coal on grate.

该装置更有利于对煤质较差的燃煤在燃煤锅炉上的利用，可实现对差煤质的燃煤，在炉排上进行合理的分层布置。

According to the principle of mechanics, with the consideration of the gravities of coal dust particles and liquid droplets, coal dust size and humidity, under the condition of force balance when the coal dust was raised, the authors obtained a theoretical formula for the threshold velocity of coal dust with humidity.

作者根据力学的基本原理，考虑颗粒和液滴重力、煤粉颗粒尺寸和湿度的影响，利用煤粉颗粒起动时的力平衡条件，推导出在风的作用下，具有一定湿度的煤粉颗粒开始扬起的起动风速的理论表达式。

All the phenomena of experiment were analysed. The results show that under the condition of hot-blast air and oxygen enrichment, the combustion rate of single coal and mixed coal is increased, but the bituminous coal is better than anthracite coal.

在热风富氧的条件下，单种煤和混合煤的燃烧率随富氧率的增加都有提高，而且无烟煤燃烧率的提高幅度略高于烟煤。

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