煤的傾出 的英文怎麼說

中文拼音 [méideqīngchū]
煤的傾出 英文
coal sudden fall
  • 煤 : 名詞（黑色固體礦物） coal
  • 的 : 4次方是 The fourth power of 2 is direction
  1. The results indicate that a stable deformation localization band occurs in the coal cutting course and develops to macroscopic crack ; the deformation localization band is slantwise ; while the cutter tooth is used, the deformation localization develops slowly, and the localization becomes wider and the strain value in the band area higher afterwards ; when the point - attack pick used the localization develops quickly and the localization band becomes narrow and the strain value in the band lower

    研究表明：截齒截割煤體過程中，煤體出現穩定的變形局部化帶，且最終發展為宏觀裂紋；煤體變形局部化帶為一個傾斜帶：刀齒截割時，變形局部化發展較慢，但產生變形局部化后，局部化帶寬且帶內應變值較高；而鎬齒截割時，變形局部化發展較快，但產生局部化后，局部化帶窄且帶內應變值不如刀齒高。
  2. Abstract : by applying the system reliability and ergonomics theory, the reliability mod el of the man - machine - environment system of roadway sub - level caving in steep seam is set up, and the calculation formulas for the usability and pro duction capacity of the system are also provided

    文摘:應用系統可靠性和人-機工程學理論，建立了急傾斜煤層巷道放頂煤人-機-環境系統可靠性模型，給出了系統可用度和生產能力的計算公式。
  3. 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。
  4. Gasoline drained slowly from the tilted can

    煤油慢慢從傾斜的油罐里流出來
  5. Management method to increase mining ratio of incline working face with caving

    傾斜放頂煤工作面提高采出率的管理辦法
  6. On the illustration of mining in deeply inclined coal seam under buildings in muchengjian colliery in beijing, the confirmation method of coal pillar dimension and the united layout of pseudo - dip strip pillar and boundary pillar were put forward to provide theory foundation for the control of surface movement and subsidence in the mining of deeply inclined coal seam

    摘要以北京木城澗煤礦大臺井建築物下壓煤開采為例，提出了急傾斜煤層開采條件下條帶煤柱尺寸的確定方法和傾斜條帶煤柱與邊界煤柱相結合的條帶布置方案，為急傾斜煤層開采地表沉陷控制提供了理論依據。
  7. The results showed that controlling methane in shaqu coal mine by incline high - position alley pumping was very efficient, a great deal of high - concentration methane had been taken out with the pumping system, and this technique supplied a technical guarantee for safe production in the working face

    研究表明，在沙曲礦三軟條件下近距離高瓦斯煤層群實施傾斜高抽技術治理瓦斯效果明顯，能夠抽放出大量的高濃度瓦斯，為工作面的安全生產提供了技術保障。
  8. Aiming at stress analysis of dip angle fully mechanized top - coal caving support in mining, from the technique of designing and mining, put forward technique measurements : reduce gap of support beam ; increase the inter - frame jack in neighboring support beam

    針對大傾角放頂煤支架在開采過程中的受力情況，提出了防止液壓支架傾倒的技術措施是：減少支架頂梁間隙；在鄰架頂梁間增設調架千斤頂。
  9. According to the hydrogeology character, water point distributed rule and water amount dynamic in balitang coal mine, for mining steep coal seam under water, the prevention and cure measures were provided, which were " ， dredging " ， and " ， drawing " ， are main and " ， blocking " ， and " ， hinding " ， are auxiliary

    從礦井水文地質特徵、出水點分佈規律及水量動態入手，對於水體下開采急傾斜煤層的八里塘煤礦，針對性地提高「疏、排」為主、 「堵、躲」為輔的綜合水害防治措施。
  10. In order to study basic roof ' s destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and concludes criterion of roof destruction based on long and narrow thin board

    摘要為研究急斜煤層水平分段放頂煤開采過程中基本頂破壞活動對工作面的影響，根據急斜煤層基本頂具有傾斜狹長板的特點，運用彈性薄板理論對基本頂巖層進行了拉應力分析，得出了頂板破斷的判別準則，建立了基本頂初次破斷后形成的「鉸接結構」的力學模型。
  11. In order to study the basic roof ' s destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and obtains criterion of roof destruction based on long and narrow thin board

    摘要為研究急斜煤層水平分段放頂煤開采過程中基本頂破壞活動對工作面的影響，根據急斜煤層基本頂具有傾斜狹長板的特點，運用彈性薄板理論對基本頂巖層進行了拉應力分析，得出了頂板破斷的判別準則，建立了基本頂初次破斷后形成的「鉸接結構」的力學模型。
  12. The caving roadways support have to complete two tasks in the steep seam sub - level caving. the one is to maintain the caving roadway stability, the another is to help the top coal to be broken. based on summarizing and analyzing field test, a fuzzy comprehensive judgment model is established for selection on supports used in caving roadway by the fuzzy theory. the support pattern of caving roadway is optimized, which has fixed guiding significant in application and dissemination of the mining method. 2figs., 2tabs., 6refs

    急傾斜煤層放頂煤放煤巷道的支護不僅要維護巷道的穩定，還須有助於頂煤的破碎、放出.在總結和分析現場試驗的基礎上，運用模糊數學理論，建立了放煤巷道支護選型的綜合評判模型，對放煤巷道的支護方案進行了優選，對推廣急傾斜煤層放頂煤法有一定的指導意義.圖2 ，表2 ，參6
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