長壁工作面 的英文怎麼說

中文拼音 [zhǎnggōngzuòmiàn]
長壁工作面 英文
longwall
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 名詞1 (墻) wall (of a house etc ) : 銅墻鐵壁 bastion of iron2 (作用像圍墻的部分) wall of st...
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. The support power of the trend longwall coal face

    走向高檔採煤支護力
  2. Mining of no beforehand to dig the roadway of the dip long - wall megaton ' s double - unit faces

    無預掘巷道傾斜對拉百萬噸的開采
  3. Analysis on strata pressure of fully mechanized longwall coal mining face in soft roof, soft coal and soft floor seam

    三軟煤層綜采長壁工作面采場礦壓分析
  4. The key state - level scenic spot ? simianshan mountain combines the landscape of mountains, laks, rivers, forests and waterfalls with magnificence, peculiarity, serenity and steepness. it is the only one subtropical lrsadleaf wildwood at the same latitude. it has the highest waterfall with a height difference of 152meters ? wangxiangtai waterfall ( a platform to overlook the hometown ), ranking one 12 new scenic spots of chongqing. bexides, it has rock frescos with the hetght of 9 meters and the length of 163 meters

    國家重點風景名勝區?四山集山、水、林、湖、瀑於一體,融雄、奇、幽、險、秀於一身,是地球同緯度僅存的一片亞熱帶原始常綠闊葉林;有高距為152米的神州第一高瀑?望鄉臺瀑布,為重慶新巴渝十二景之一;有163米、高9米的灰千巖摩崖畫;有「天下第一切奇聯」等。
  5. Alignment grows wall to put coal back work face to adopt regional security to mine of study

    走向放頂煤回採仰采區域安全開採的探討
  6. With the different tripping annulus at the inlet, a new method of the distance definition from the wall was used to measure 35 mean velocity profiles on seven sections in the pipe length x / d = 125. 2

    採用新的離距離標定方法,在入口處設有改變擾動強度擋環的條件下,利用熱線儀在管x d約為125的范圍內完成了七個不同管流截上的35個軸線方向速度分佈的測量
  7. 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為例給出了程實例。
  8. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的徑比進行了實驗觀察和測定,得出生物質的徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用程力學、程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  9. Some technical problems concerning the development of end burning motors, such as low takeoff acceleration, long tail - off duration and interface debonding of the stress relief flap etc are analyzed and some appropriate measures are put forward. the measures have been proved to be suitable and valuable for improving the motor performance

    就貼澆注的端燃燒發動機容易產生的起動加速慢、拖尾時間及尾端部人脫粘層(蓋層)粘接脫粘等技術問題進行了分析,提出了適用的解決辦法,這些方法已被實踐證明是有效的,對提高發動機性能非常重要。
  10. Abstract : some technical problems concerning the development of end burning motors, such as low takeoff acceleration, long tail - off duration and interface debonding of the stress relief flap etc are analyzed and some appropriate measures are put forward. the measures have been proved to be suitable and valuable for improving the motor performance

    文摘:就貼澆注的端燃燒發動機容易產生的起動加速慢、拖尾時間及尾端部人脫粘層(蓋層)粘接脫粘等技術問題進行了分析,提出了適用的解決辦法,這些方法已被實踐證明是有效的,對提高發動機性能非常重要。
  11. Deep drawn parts offer the ability to pre - plate the internal working faces with gold, while also work - polishing and hardening the wall to optimize product lifetime

    深沖部件提供了對內部鍍金的能力,還可以在時拋光和硬化殼以延產品壽命。
  12. Ground pressure behavior of hard roof mining face

    復合型堅硬頂板高檔普采長壁工作面開采實踐
  13. 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采前的實驗研究和開采時的現場觀測,分析了頂板的移動、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。
  14. Discussion on design for fully mechanized longwall coal mining face

    大傾角中厚煤層綜采設計探討
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