淺層煤 的英文怎麼說
中文拼音 [jiāncéngméi]
淺層煤
英文
shallow lying coal-
Numerical simulation of the air leakage in the bedding plane of gob in shallow coal seam
淺煤層采空區層面漏風的數值模擬分析Discussion on how to research breaking - loss wing coal seam in coal series stratum
淺談如何在煤系地層尋找斷失翼煤層Abstract : this essay introduced a coal burning boiler replacement project for a nursing house in beijing, using gd - series high temperature heat pump to gather heat from 15 underground water and output 70 high termperture water to heating system. this project have characteristics of energy saving and environmental friend
摘要:介紹了北京某干休所燃煤鍋爐改造項目,採用大溫差高溫水源熱泵從15淺層地下水中提取熱量,輸出70高溫熱水進行供暖,從而達到「節能、環保」和節約運行費用的目的。Then i discussed methane desorption properties including cbm - bearing saturation, critical desorption pressure, the ratio between critical desorption pressure and original coal reservoirs pressure and difference of terra decompression ; cbm - bearing characteristics of coal seams including measured / academic cbm - bearing content, coalbed methane resources content and cbm resources abundance, etc. the author respectively gave a brief account of the basic characteristics of ancient and today ' s geothermic field at 1000m and 2000m depth, coal measure strata pressure field at the depth less than 1600m, structural stress field from jurassic to present, and ancient and today ' s fluid potential field ( that is water potential and gas potential distributing in coal measure strata )
分別簡述了準噶爾盆地1000m及2000m深度今古地溫場、 1600m以淺的煤系地層壓力場、侏羅紀至今地應力場及煤系地層水勢與氣勢分佈的今古流體勢場基本特徵,進而對這「四場」特徵及其互動關系與煤儲層物性、可采性及煤層氣聚集的關系進行了探討。從構造背景、構造演化及構造類型幾方面論述了本區構造作用的控氣特徵。Study on roof control in shallow seam longwall mining
淺埋煤層長壁開采頂板控制研究In accordance with the occurrence behavior of roof strata and the fracture characteristics of key stratum in shallow seam longwall mining, studied post - buckling behavior of roof key stratum in the process of mining by using initial post - buckling theory, which derived a critical load and a breaking span of the main roof during the first weighting, determined the final subsidence and the maximum rotation angle for broken key stratum, and presented an application with the example of daliuta 1203 face
摘要根據淺埋煤層頂板巖層的賦存特點和長壁開采時關鍵層的變形破斷特徵,應用初始后屈曲理論探討了開采過程中頂板關鍵層的后屈曲性態,得出了老頂初次來壓時頂板的臨界載荷和破斷步距,確定了頂板破斷后的極限下沉量和回轉角,並以神東礦區大柳塔1203工作面為例給出了工程實例。This difference is caused not only by maturity but also by source rock. natural gas in baimiao area is mainly derived from tertiary source rock and carboniferous permian formation in qianliyuan sag, which is near the high point on lanliao fracture belt
白廟地區天然氣主要來源於前梨園窪陷第三系烴源巖和石炭?二疊系煤系地層,靠近蘭聊斷裂帶構造高點,淺層es _ 2 ~下? es _ 3 ~ 2氣層具有較高的ar ~ ( 40 ) ar ~ ( 36 )比值,為煤型氣及混合氣。Study on three strap in water resouces preservation in yu - shu - wan shallow seam mining
榆樹灣淺埋煤層保水開采三帶發展規律研究Working resistance and safety margin of long - wall support in shallow coal bed
淺埋煤層長壁開采支架阻力及安全界限Numerical simulation on the breakage and falling of thick and hard roof in shallow seam
淺埋煤層厚硬頂板破斷與冒落的數值模擬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。The results indicate that the stability for bifurcation point equilibrium configuration and post - buckling equilibrium path of roof strata can be revealed and an effective method for determining displacement field of imperfection structure can be provided by using initial post - buckling theory
應用初始后屈曲理論可揭示淺埋煤層長壁開采頂板巖層的分叉點平衡構形及后屈曲平衡路徑的穩定性,是確定非完善結構位移場的一種有效方法。Testing study on 3d similar material simulation for shallow coal seam mining
淺埋煤層開采三維相似材料模擬實驗研究Application of coal quality target for comparing seam
淺談煤質指標在煤層對比中的應用Numerical analysis on movement rule of overlying strata of shallow coal seam covered with thin bedrock
淺埋煤層開采覆巖移動規律數值分析Simulating test study in shallow seam mining under thick soil of the earth ' s surface
地表厚土層淺埋煤層開采模擬實驗研究Preliminary study on differences between cbm well testing and conventional oil and gas well testing
淺析煤層氣井與常規油氣井在試井方面的差別Analysis of features of rock movement and seepage mechanism for shallow - lying coal seam mining
淺埋煤層開采巖移特徵與滲水機理分析Based on the in - situ observation of the firstly mined working face of nanliang coal mine, the roof movement, the roof weighting intensity, and entry deformation and failure of the working face were analyzed
摘要通過南梁煤礦首采工作面采前的實驗研究和開采時的現場觀測,分析了工作面頂板的移動、來壓強度以及巷道變形破壞情況,總結了厚黏土覆蓋層淺埋煤層單體長壁工作面的礦壓顯現規律。Analyzing falling crack failure of overburden strata of shallow coal seam and its control method
淺埋煤層覆巖切落裂縫破壞及控制方法分析分享友人