gas seam 中文意思是什麼

gas seam 解釋
瓦斯層
  • gas : n （pl gases ）1 氣，氣體，氣態 〈cf fluid; solid〉 2 可燃氣，煤氣，沼氣；【礦物】瓦斯。3 【軍事...
  • seam : n 1 縫；線縫。2 介面；接縫；接合處；接合線。3 裂縫。4 （臉上的）皺紋。5 傷痕。6 【造船】（船板間...
  1. Mining high gas coal seam with enclosed mining method

    封閉式採煤法開采高瓦斯煤層
  2. Analysis of gas occurrence regularity in b4 seam in yuancunjing colliery

    4煤層瓦斯賦存規律分析
  3. Methane drainage experimental research for the stress - relief roof stratum of working face of high gas coal seam

    高瓦斯綜采面頂板覆巖卸壓抽放瓦斯試驗研究
  4. Up to 2007 the company owes more than twenty mining rights, which cover over ten resource such as iron, copper, lead, zinc, manganese, nickel, tungsten, stannum, gold, silver, molybdenum, zirconium, titanium, coal and coal seam gas

    截至2007年初公司擁有礦業權數20餘個，涉及鐵、銅、鉛、鋅、錳、鎳、鎢、錫、金、銀、鉬、鋯、鈦、煤、煤層氣等十幾個礦種。
  5. Supporting technology with meshing and bolting in high gas, inflammable, soft - broken coal seam

    高瓦斯易燃松軟破碎煤層錨網支護技術
  6. Structural features of coal body in seam no. 8 and regional prognosis of coal and gas outburst in panji mine no

    大寧煤礦突出預測敏感指標及臨界值的探索
  7. Advanced instrument and testing techniques including adopting mercury injection apparatus, specific surface analyses apparatus, porosity - permeability measurement apparatus, isothermal adsorption instrument and drill core flow experiment system, etc., are also adopted. on the basis of study on gas zoning, known cbm show and its component, generating mechanism of low coal rank cbm are discussed. the author pointed out that generated cbm should consist of primary biogenic methane gas in lignite stage, thermogenic methane gas in long - flame coal to gas / fat coal stage, and deuterogenic biogenic methane gas in coal seam imbedded stage

    在本區瓦斯分帶、已知煤層氣顯示及其組分研究基礎上，探討了低煤級煤層氣的生成機制，指出生成的煤層氣應包括褐煤階段的原生生物甲烷氣、長焰煤?氣肥煤階段的熱成因甲烷氣和煤層埋藏階段的次生生物甲烷氣三種成因甲烷氣體；進而論述了煤儲層含氣飽和度、臨界解吸壓力、臨儲壓力比、地解壓差等甲烷解吸特徵，實測與理論含氣量、煤層氣資源量與資源豐度等煤儲層含氣性特徵。
  8. Complex control of gas at upper corner angle of medium - thick seam with fully mechanized caving mining

    中厚煤層綜放工作面上隅角瓦斯綜合治理
  9. Discussion of thick coal seam delaminating mine and coal caving of the fully - mechanized of gas effusion

    厚煤層分層開采與綜放開采瓦斯湧出量對比分析
  10. 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。
  11. Against the particularity of problem of gas bursting of ( subscript 1 ) coal seam in ludian gliding structure in west henan, through a large amount of work of field surveys and interior research, and viewed from the basic theories of structural petrology, discussed some characteristics of mining gas hazard such as image, mechanism and tectonic control process

    摘要針對豫西蘆店滑動構造區二（下標1 ）煤層瓦斯突出問題的特殊性，通過大量野外地質調查和室內研究工作，從構造巖石學基本理論著手，討論了構造區礦井瓦斯地質災害的表象、機理和構造控製作用。
  12. Gas even store in coal seam, and outstanding on rock wall piece which is destroyed by mining, somining, so it is a typical geological science question to prevent the gas accident of the colliery from occurring

    瓦斯不均勻地的貯存在煤層中，突出於采動破壞的巖壁段，防止煤礦瓦斯事故是一個典型的地學問題。
  13. The algorithm of image processing is the key. due to anomalous welding seam, the intensive arc light, random breaking of the bubble and gathering of the gas in the welding area, the seam images captured contain a lot of noise. in this case the noise must be removed and the welding seam is positioned accurately

    本系統的圖像處理部分採用了ccd攝像頭和視頻捕獲卡，圖像處理的演算法是最關鍵的部分，由於焊縫圖像並不是十分規則，而且在焊接時還會受到強烈弧光、飛濺和工件表面狀況的影響，因此在這種情況下，必須有效的排除干擾把焊縫的中心位置準確找出來。
  14. For the tectonic coal ， the properties of higher porosity and lower permeability make it capable of keeping higher gas pressure ； both of the “ isolating action ” and “ gas - cushion action ” cut down the resistance against outburst ； the specifity of high - defomed - extent makes desorption ， escape and flowing quickly become possible ； the existing of weak - seam or “ thoroughfare - seam ” create suitable conditions for the initial erupting and continued developing of coal and gas outburst. on the whole ， it is the synhesis action of all factors ， which leads to outbursts. the existing of tectonic coal with certain thickess is the essential condition of coal and gas outbursts ， but not the sufficient condition

    高空隙率、低透氣性使構造煤能夠保持較高的瓦斯壓力；破碎性、 「隔離」作用及「氣墊」作用，使構造煤抵禦外力作用的能力大大降低；構造煤變形幅度大的特性，為瓦斯的迅速解吸、放散和快速流動創造了條件；構造煤薄弱分層或「通道層」的存在，則為煤與瓦斯突出的初始激發和持續發展奠定了基礎；上述因素的共同作用，影響和制約了煤與瓦斯突出的強度和分佈.盡管如此，一定厚度的構造煤的存在只是發生煤與瓦斯突出的必要條件和有利條件，而非充分條件
  15. Gas drainage from underground mine with 1000m branched long holes along seam

    煤礦井下順煤層千米枝狀長鉆孔抽采瓦斯技術
  16. Way of exhausting gas from low permeability thin seam

    低透氣性薄煤層瓦斯抽放方法
  17. Investigation of the tunnel layout way at high gas seam group mining area

    高瓦斯煤層群采區巷道布置方式的探討
  18. Analysis for influence factors of seam gas content in shaqu coalfield

    沙曲井田煤層氣含量影響因素分析
  19. Analysis for influence factors of seam gas content of hanzhuang coalfield in yanquan mine area

    陽泉礦區韓莊井田煤層氣含量影響因素分析
  20. Gas - geologic characters of 720 coal seam and controlling of gas emission abnormally in no. 2 coal mine of pingdingshan coal group

    平煤二礦庚20煤層瓦斯地質特徵及異常湧出的防範
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