您要查找的是不是：
- underground coal mining method 地下采煤方法
- As an attempt, we use the pulse Transient Electriomagnetic Method (TEM) to detect the CSA of underground coal gasification at Liuzhuang coal mine, Tangshan. 作为尝试，应用瞬变电磁法(TEM)对唐山刘庄煤矿煤炭地下气化燃空区进行了探测。
- Parker Formation coal mine blast mining method adopted, with 450 employees. 柏家沟煤矿采取爆破采煤法，拥有职工450人。
- DBT is a supplier of complete system solutions for underground coal mining worldwide and world market leader in the area of long wall equipment. DBT公司是全球成套井下采矿设备供货商，在长壁开采设备制造领域居于世界领先地位。
- Supply transformers for underground coal mine well are earthed at neutral point. 很多地方煤矿在供电方面存在不安全的隐患,向井下供电的变压器中性点接地。
- While Shanxi provides the fuel that powers China's sizzling economy, thousands of acres of land are sinking because of the ravages of underground coal mining. 然而,在山西省向中国高速发展的经济提供燃料时,由于煤矿对地下的破坏,导致当地土地正在大面积下沉。
- Expound the concept of direct stray current of underground coal mine,analyze its harm,and proride some preventive measures. 阐述了煤矿井下直流杂散电流的概念,分析了其产生的危害,提出了防治措施。
- It analyzed mining method and craft technique, to scientize to choose coal mining method. 分析了山东省重点煤矿的采煤方法和工艺,科学选择采煤方法。
- The paper adopts the embedded construction and related new technologies to design a portable intrinsically safe non-destructive bolt detector for underground coal mine. 采用嵌入式系统架构和相关新技术,设计了用于煤矿井下的本质安全型、便携式、无损锚杆检测仪。
- The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province. 短壁刀柱采煤法即条带开采,目前在陕西省小煤矿开采中较广泛应用。
- The State shall take special protective measures for miners working in underground coal mines. 国家对煤矿井下作业的职工采取特殊保护措施。
- From investigating at field and laboratory, the coal mining method and its technical parament have a much effect on controling floor water inrush. 通过现场实测和室内研究表明,采煤技术因素对底板突水的影响很大。
- 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。
- Following the improvement of underground coal mining technology and mechanized degree,the condition and the elevating capacity of some used elevator can not meet the demand of the mining production. 随着井下采煤工艺的改进和机械化程度的提高,旧提升绞车的设备状况、提升能力等已不能满足生产的需要。
- HAN Bao-ping,ZHENG Shi-shu,XIE Ke-jun.An approach to the hydrogeologic effect induced by underground coal mining[J].Journal of China University of Mining &Technology,1994,23(3):70-77. [1]韩宝平;郑世书;谢克俊.;煤矿开采诱发的水文地质效应研究[J]
- In consideration of the characteristics of the technological process of the hydraulic coal mining method, it is a general practice to use of the goaf as the ventilation airway. 水力采煤由于工艺自身的特点,一直沿用老塘串风的通风方式,在我国目前的安全形式下,如不改变,水采难以发展。
- Fundamental principle, applicable geological condition, domestic and oversea development of underground gasification and its advantage compared with traditional underground coal mining are introduced. 介绍了煤炭地下气化的基本原理、应用地质条件、国内外发展概况以及与传统的井工开采煤炭相比的优越性。
- This article recommends a mining technology for thin coal seam with mixed mining,exceeding length and double unit face mining method innovated by Tianchen coal mine. 本文介绍了田陈煤矿创新的综采与普机采混合、工作面超长布置、对拉、旋转调采、矩形和梯形不规则形状的薄煤层开采技术;
- The actual processes of firedamp explosion in coal mines involve a catastrophic processes occurring in air conditions of underground coal mines . 煤矿发生瓦斯爆炸的过程实质是井下气体状态发生突变的过程。
- The longwall coal mining method along a direction,coal-mining technology,longwall coal mining method along the dip,and caving coal technology are discussed. 对单一走向长壁采煤法、采煤工艺、倾斜长壁采煤法以及放顶煤采煤技术进行了论述;
