深埋煤 的英文怎麼說
中文拼音 [shēnmáiméi]
深埋煤
英文
deep coal-
Under general geological study of exploratory development of coalbed gas and underground gasification of coal bed in eastern depression of liaohe basin, authors apply the basic principle of coal geology and the data of vitrinite reflectance and technical analysis of coal to ascertain that coal classification are dominantely the lignite, long - flame coal and gas coal of coal - bearing upper section of third member of shahejie formation, and then dissertate the variational regularity between coal rank and buried depth in vertical and otherness of vertical limit of coal rank in different coal - rich regions
摘要運用煤田地質學基本理論和煤的鏡質組反射率值及工業分析等有關數據，確定了遼河盆地東部凹陷古近系沙三段含煤亞段的煤種主要為褐煤、長焰煤和氣煤；進而闡述了該煤段垂向上煤級與埋深的變化規律性、不同賦煤區各煤級垂向界限的差異性。Synthetically analyzed the fracture, earthquake, coal ranks and their distribution, coal seam ' s buried depth and so on, the authors have realised that low - rank bituminites, early - middle jurassic in tianshan area, are formed by burial metamorphism, and it is widespread
摘要通過對天山地區的斷裂構造、地震、地熱、煤級及其時空分佈、煤層埋深等因素的綜合分析，認為天山北緣及其鄰區早中侏羅世大范圍分佈的低級煙煤主要由深成變質作用形成，深成變質作用具普遍性。A good many case of approaching excavation are studied in this article, such as the study of infection of be coal mining to the huayingshan tunnel, technology study of strucked tunnels of metro in shenzhen, countermeasure study of tunnel approaching pile foundation of metro in guangzhou, excavation methods optimized of large cross section subaqueous tunnel approaching pile foundation of lrt in chongqing, etc. on the basic of analysing and concluding relative study production all over the the world by the numbers, classification of approaching excavation, partition of approach zone, formula of partition of approaching zone, approach degree and countermeasure grade of generalized approaching excavation of underground works are put forward. general methods studying and trea
本文結合作者多年來對華鎣山隧道減少壓煤量研究、深圳地鐵重疊隧道第11頁西南交通大學博士研究主學位論文技術研究、廣州地鐵公紀區間廣紡聯段鄰樁施工對策研究和重慶輕軌大坪大斷面車站鄰近基礎淺埋暗挖工法優化分析等諸多近接施工問題案例的研究，在系統分析和歸納總結國內外相關研究成果的基礎上，系統地提出了廣義的地下工程近接施工的分類、分區、分區指標表達式、近接度與對策等級概念以及分區、分度準則，給出了研究和解決近接施工問題的普遍方法，如數值分析先行，模型試驗、現場測試驗證等。The strata behavior rule of longwall face with individual props in shallowly buried coal seam covered with thick soil was summarized
實驗和觀測表明，盡管其上覆巖層的力學強度比較小，煤層埋深淺，但工作面初次來壓步距大，礦山壓力顯現劇烈，周期來壓臺階下沉量大。Taking the deep roadways in 5th coal mine, pingdingshan group company of coal industry, as object of study, the effect of properties of surrounding rock on its displacement for deep roadway is evaluated by using the finite difference code flac ( superscript 3d ), and the variations of displacement of surrounding rock under different internal friction angles and cohesive strengths of rock are presented
摘要以平煤集團五礦的深埋巷道為研究對象，採用有限差分程序flac （上標3d ）研究了圍巖特性對深埋巷道圍巖位移的影響，獲得了不同巖石內摩擦角和粘聚力條件下深埋巷道圍巖位移變化的規律。Key technologies of hydraulic powered caving supports for fully mechanized caving mining face in two hard and thick seams in pingshuo mining area
平朔礦區淺埋深兩硬特厚煤層綜放支架關鍵技術Although the buried depth of coal seams is relatively great, the distribution of the abundant resources is continuous and stable, indicating that further exploration is very valuable
盡管煤層埋藏較深，但分佈穩定連續，資源量大，有進一步勘探的價值。Based on the relation of permeability with geo - sress, depth, cranny, reservoir stress, hydrogeology which is analyzed by former, it is pointed out that the most important and extensive factors are geo - stress and depth
摘要在前人分析滲透率與地應力、埋深、裂隙、儲層壓力和水文地質條件等相互關系的基礎上，指出影響煤儲層滲透率最普遍和主要的因素是地應力和埋深。分享友人