煤層傾角 的英文怎麼說
中文拼音 [méicéngqīngjiǎo]
煤層傾角
英文
coal bed pitch-
Research and application of blasting mining, caving coal, large indination, thick coal seam and overhand mining technology
炮采放頂煤大傾角厚煤層仰采技術研究與應用Quadratic function analysis of greatest subsidence angle during mining pitching or steerly pitching coal seam
大傾角煤層開采最大下沉角的二次插值分析Practices on fully mechanized coal mining in deep inclined seam with hard roof, soft coal and soft floor
軟底大傾角煤層綜采開采實踐The conventional methods for mining such seams including the longwall blasting and block caving suffer form the drawbacks of being low in recovery, high in labor intensity and low in efficiency. after shifting to the use of the fully - mechanized extraction system by the zhaogezhuang branch mining industry co. of kailuan ( group ) co., the mining of the pitching seams has met with remarkbable social and economic result
針對大傾角煤層長壁炮采、落垛等採煤方法，存在回採率較低、員工勞動強度大、高產高效受限及安全等諸多問題，開灤（集團）趙各莊礦業分公司在探討大傾角煤層採煤工藝的改革及實踐大傾角煤層綜合機械化採煤過程中，取得了較好的社會經濟效益。Through analyzing on the different phenomena of gas pouring amount at different coal seam, different area at the same seam, different position at the same area, the coal thicknss, inclined angle, structure, roof and floor rock character and water content in coal est. geology factor are regarded as the main reason of effecting the gas pouring amount
通過對不同煤層，同一煤層不同區域，同一區域不同地點瓦斯湧出量有很大差異現象的分析，認為煤層厚度、傾角、構造、頂底板巖性、煤中水分等地質因素是影響瓦斯湧出大小的主要原因。New method of extracting long inclined angle thick seam at xingshan coal mine
興山煤礦大傾角厚煤層的開采新方法Analysis and technological measures for longwall topple mining process at the big inclined angle seam
大傾角煤層傾斜長壁仰斜開采工藝分析及技術措施Structural analysis for roof movement for steep coal seams
大傾角煤層采場頂板運動結構分析Practice of fully mechanized mining of coal seam with large dip angle
大傾角煤層綜合機械化採煤的實踐Fully mechanized mining technology in high dip seam in lushuidong mine
綠水洞煤礦大傾角煤層綜采技術Analyze the feasibility of shallow seismic reflection wave method applied in exploration of high - dip coal mining - out area, and appraise the effect of the application in couple with specific engineering cases
摘要對在高傾角煤層采空區勘探中應用淺層地震反射波法的可行性進行了分析，並結合具體工程實例對應用效果進行了評價。Comprehesive management of mining destruction under special rail line
淮南礦區大傾角煤層採煤方法再探Coal mining method in the deeply inclined coal seams with hydraulic powered shield supports on single leg sustai
大傾角煤層單腿支撐式柔性掩護支架採煤法Application on blast - winning technology with sublevel caving of hydraulic prop in inclined seam
單體支柱炮采放頂煤技術在大傾角煤層的應用Application of false - inclined flexible shield mining system in coal face with seam pitch less than rest angle of waste
偽斜柔性掩護支架採煤法在煤層傾角小於矸石安息角工作面的應用Fast driving technology of bolt mesh supporting mining roadway in big angle coal seam
大傾角煤層回採巷道錨網支護快速掘進技術分析Mining experiment of large - angle working face with light weight hydraulic powered caving supports
大傾角煤層輕型支架放頂煤開采試驗Safety and high efficient coal mining technology for coal mining face with shield supports
大傾角厚煤層柔掩支架採煤關鍵技術Discussion on design for fully mechanized longwall coal mining face
大傾角中厚煤層長壁綜采工作面設計探討Practise in combined mining roof caving coal at lower position in large angle thick coal seam
大傾角厚煤層低位綜采放頂煤實踐分享友人