low coal 中文意思是什麼

low coal 解釋
薄煤層
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • coal : n 1 煤，煤塊，煤堆。2 〈pl 〉〈美國〉（一堆）燒紅的煤。3 〈常 pl 〉〈英國〉（幾塊）供燃燒的煤。4 ...
  1. Low combustion efficiency and serious pollution problems come with the behindhand facilities and technology of coal combustion

    由於燃煤設備和燃燒技術相對落後，因而帶來了燃燒效率不高和環境污染嚴重兩大問題。
  2. Low - voltage vaccum a. c. circuit breaker for coal mine

    礦用低壓交流真空斷路器
  3. Such as : the liner of coal bunker of power station, the lining of dust cyclone and classifying cyclone, the liner of chemical storage tank and warehouse for corrosion material, the floor material for chemical plants and low friction vehicle testing surface etc

    玄武巖鑄石板主要用於襯砌火電廠煤倉，各種規格旋風器，鋪設各類化工廠地面，汽車剎車試驗場地面等，也用於襯砌酸洗槽或儲存腐蝕性物品的貯存室。
  4. Study of influence of coal dust on low - concentration gas explosion

    煤塵對低濃度瓦斯爆炸的影響研究
  5. Extraction of xylenol from low temperation coal tar

    低溫焦油中二甲酚的提取
  6. Flameproof low - voltage plugs and sockets for coal mine

    煤礦用隔爆型低壓插銷
  7. This crusher is designed to be used for the coarse and medium reduction of various kinds coal and coke as well as other friable materials of low hardness

    本機主要用於粗碎、中碎各種硬度的煤、焦炭及其它低硬度的脆性物料。
  8. The qitaihe coal resources isadvantageous, the coal field total area 8, 000 square kilometers, haveverified the geological reserve 1. 7 billion tons, the prospectivereserves 4. 2 billion tons, the coal plant completely, has the cokingcoal, 1 / 3 coking coal, the gas coal, the anthracite and so on 10varieties, by coking coal primarily ; excellent in quality, has theespecially low phosphorus, especially low characteristic and so onsulfur, high heat value, high ash melting point, high silicon content, most is suitable for the coal chemical industry product thedevelopment, is national one of three big protections mining rare coalfields, is the heilongjiang province most important anthraciteproduction base, also is the national important coking coal and thenortheast area biggest high quality coke production base

    七臺河煤炭資源得天獨厚，煤田總面積8000平方公里，已探明地質儲量17億噸，遠景儲量42億噸，煤種齊全，有主焦煤、 1 / 3焦煤、氣煤、無煙煤等10個品種，以主焦煤為主；品質優良，具有特低磷、特低硫、高發熱值、高灰熔點、高硅含量等特點，最適于煤化工產品的開發，是全國三大保護性開采稀有煤田之一，是黑龍江省最重要的無煙煤生產基地，也是國家重要的主焦煤和東北地區最大的優質焦炭生產基地。
  9. Its current products include : top oscillation electrical precipitator, side electrical oscillation precipitator, magnetism controlled static electricity precipitator, wet electrical precipitator, honeycomb electric catching tar instrument, high - pressur silicon rectifier equipment and plc low - pressure controlling system, blast furnace gas impulse precipitator, high concentration pulverized coal collector, coke oven and boiler flue gas low pressure impulse precipitator, blower fan inhaler, crossing piping gas cooler, high temperature fume cooler, gyre - orientation impulse hop - pocker and all sorts of molded sections

    目前主要產品有：頂部振打臥式電除塵器、側部振打電除塵器、磁控靜電除塵器、濕式電除塵器、蜂窩電捕焦油器、高壓硅整流裝置及plc低壓控制系統、高爐煤氣脈沖除塵器、高濃度煤粉收集器、焦爐及鍋爐煙氣用低壓脈沖除塵器、風機空氣過濾器、橫管式煤氣冷卻器、高溫煙氣冷卻器、回轉定位脈沖大布袋及加工各種冷彎型鋼。
  10. Study of mixing burning low heating value blast - furnace gas amp; amp; coal

    低熱值高爐煤氣與煤粉混燒技術的探討
  11. Analysis on reburning technology of micronized coal and its low nox emission

    超細煤粉在燃料分級燃燒技術中的應用
  12. Coal slurries were found to exhibit a wide spectrum of flow behavior ranging from newtonian at low concentrations to shear - thinning and pseudoplastic with a yield stress at higher concentrations

    利用雙峰級配理論，將粗顆粒煤粉加入細顆粒中可降低煤漿體系的黏度。
  13. Determination of transmittance for low rank coal

    低煤階煤的透光率測定方法
  14. At the same time, the function of measuring coal in every coal storage bunker and measuring coal before its entering into every boiler greatly improves productivity of the whole loading and unloading coal system. on the aspect of operation technics of the loading and unloading coal system, this article analyzes factors which affect operation technics of coal - whippers, stacking conveyers and pusher tractors. no standardization in daily operation, low safety, long operation time and out of line among different machines reduces the efficiency of the loading and unloading coal system

    卸煤操作工藝方面，主要分析了卸船機、堆取料機和推扒機在日常作業過程中影響作業工藝的因素，在日常作業過程中主要存在問題是無標準化作業要求，安全得不到保障，作業時間長，各作業機械之間配合差，從而影響整個卸煤系統的作業效率，本文通過對卸船機、堆取料機、推扒機作業流程的設計，規定了單個機械的作業程序，以及相互之間作業時的配合方法，使卸船機作業和堆場作業更規范化，同時，大大縮短卸船作業時間，提高了碼頭泊位利用率，減少機械作業時間，從而提高了整個輸煤系統的工作效率。
  15. Analysis on the principle of making complete sets of equipment on the working faces of the coal planer and its practicability in the low coal seams

    刨煤機工作面設備配套原則及在薄煤層的實用性淺析
  16. 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。
  17. Forming differences between high and low coal rank coalbed methane reservoirs

    我國高低煤階煤層氣成藏的差異性
  18. The differences between high and low coal rank reservoirs are analyzed from such aspects as the conditions of the coalbed methane ' s fountain, the coalbed adsorption capacity, the hydrogeologic and physical property of coal beds, and the reservoir forming process

    摘要從煤層氣成藏的氣源條件、煤層的儲集能力、煤層的物性、煤層的水文地質條件和成藏過程等方面，分析了高煤階煤層氣和低煤階煤層氣成藏的差異性。
  19. Multi - hierarchical, multimeans, comprehensive and deepened research on the macrofractures, microfractures system and pores system features, capacity of cbm storage and osmosis, adsorption characteristic, as well as physical properties of surrounding rocks of coal reservoirs have been made. furthermore, classifying standard and identifying characteristics for fractures - pores system of low coal rank coal reservoirs in zhungaer basin has been put forward as well. in this process, some routine instrument are used, such as viewing coal mine scene and hand specimen, observing polished section and surface which are made from lump coal and powder coal samples, observing and image analyses under the common microscope ' s transmitted light, reflection light and fluorescence

    通過礦井現場、鏡下觀察統計等常規手段，採用多種先進儀器和測試技術展開對煤儲層的裂隙系統與孔隙系統發育特徵、儲滲性能、吸附特性及煤儲層圍巖物性特徵的多層次、多手段分析，並綜合室內外觀測及前人成果，提出了煤儲層裂隙與孔隙系統的劃分標準與識別特徵，分別從宏微觀尺度、定性與定量層次對裂隙與孔隙系統特徵及其與煤儲層儲滲性能關系的研究。
  20. To close mines, low coal production, adjust the structure and promote the continuous development of coal industry

    關井壓產調整結構促進煤炭工業持續健康發展
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