凍煤 的英文怎麼說

中文拼音 [dòngméi]
凍煤 英文
frozed-coal
  • 凍 : Ⅰ動詞1 （液體或含水分的東西遇冷凝固） freeze 2 （受冷或感到冷） feel very cold; freeze; be frostb...
  • 煤 : 名詞（黑色固體礦物） coal
  1. The result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash

    試驗結果表明：粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能；粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善；大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。
  2. Alternatives comparison of the antifreeze method for mine shaft

    煤礦井筒防凍方式的比較
  3. The research results show that when the fly ash content is under 30 %, the strength of rcc can be increased but the effect is a little ; and with the fly ash content increased the dry shrinkage of the rcc reduced straightly, and the abrasion resistance and freeze resistance increased obviously. ( 3 ) fly ash can increase durability of the rcc and under the experiment condition, the perfect mixing content is 30 %

    試驗結果表明： （ 1 ）粉煤灰摻量小於30 %時能提高碾壓混凝土強度但影響度不大； （ 2 ）隨著粉煤灰摻量的增加，碾壓混凝土的干縮呈直線降低，且抗磨性和抗凍融能力明顯提高； （ 3 ）粉煤灰能有效提高碾壓混凝土的耐久性，且在試驗條件下的最佳摻量為30 % 。
  4. The frozen coal destruction is the tension stress destroys, and establish the frozen coal cutting model in this foundation, obtains the cutting force, feeding force, tooth spacing according to the smallest energy principle. bring forward a rotary drilling mothod to unload the frozen coal, the broken ability is strong, without frozen depth limits, then obtains this machine working parameters, has combined this method with a grab and determined the plane of vehicle - carried rotary drilling movable coal - unloader

    凍煤破壞是拉應力破壞，在此基礎上建立了凍煤的切削模型，根據最小能量原理得到截割力，進給力和截齒間距的計算公式，分析得到截割力與切削厚度成正比，隨著前角的增大而減小;截齒最優截距與截齒尺寸有關且與切屑厚度成正比;進給力隨著截齒前角增大而增大的規律。
  5. Freeze - thaw resistance of class fly ash concrete

    級粉煤灰混凝土的抗凍融性能
  6. Mine freezing shaft sinking technology for deep mine in henan coal mines

    發展中的河南煤礦深井凍結鑿井技術
  7. The newcastle coal miners laid in all the collieries in protest of the wage freeze

    紐卡斯爾的煤礦工人使所有的煤礦停產，以抗議工資凍結。
  8. Abstract : the result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash

    文摘:試驗結果表明：粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能；粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善；大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。
  9. The performance of concrete at the later age ( after 60 days ) is improved when fly ash is added into concrete, and the abrasion resistance of concrete is perfect at 28 days. entraining air into concrete, the compressive strength is reduced but the flexural strength is improved when the air content less than 5. 5 %

    摻粉煤灰混凝土的各項性能在後期（ 60d后）均有所改善，其中耐磨性在28d時表現了較好的結果。在混凝土中引氣后，混凝土的抗壓強度下降較多但抗折強度在適宜的含氣量范圍內（小於5 . 5 % ）有所提高，混凝土的抗凍性顯著提高，同時不會降低混凝土的耐磨性。
  10. Mechanical performance, frost resistance and abrasion resistance of concrete with fly ash, air entraining agent and four kinds of inorganic salts including sodium sulfate, sodium nitrite, calcium nitrite and sodium chloride are mainly studied in this paper

    本文研究了在路面水泥混凝土中摻入粉煤灰、引氣劑和四種無機鹽（ na2so4 、 nano2 、 ca （ no2 ） 2和nacl ）后，混凝土的力學性能、抗鹽凍剝蝕能力和耐磨性等性能的變化規律。
  11. Cement injection of perforating holes in a frozen pipe is a wholly - new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines

    凍結管射孔注漿是在對石油輸油井射孔技術和地面注漿技術進行研究的基礎上，開發出的一種用於煤礦凍結井筒圍巖加固和堵水的全新技術。
  12. Abstract : cement injection of perforating holes in a frozen pipe is a wholly - new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines

    文摘:凍結管射孔注漿是在對石油輸油井射孔技術和地面注漿技術進行研究的基礎上，開發出的一種用於煤礦凍結井筒圍巖加固和堵水的全新技術。
  13. After the coke being puted into the coke - quenching device, the lid of the device should be shut at once. while the suction pump, refrigeration compressor, high pressured water circuling pump are started, the subpressure will be produced by the burning coke. then, in the vacuum, the coke will be extinguished in a flash. the burning of the coke instantly, still, produces a large quantity of heat which can be taken away by circulating water in refriger and the interlayer, after that, the temperature will fall to 60oc, even lower. in this condition, the coke will be pushed out to be stored, thus, the coke won ' t rekindle

    當焦炭推上攔焦車進入熄焦器后，立即關閉罐蓋，同時啟動真空泵、冷凍機、高壓循環水泵，這時，燃燒著的焦炭就會因真空泵把熄焦器內抽成負壓，由於缺氧，使焦炭熄滅，雖然煤炭在瞬間被熄滅，但由於焦炭生成過程中所產生的大量的熱量還存在，這時，冷凍機和夾層中的循環水的工作就會把焦炭中的熱量帶走，使之在短時間內將溫度降到60以下，在這種狀態下把焦炭從熄焦器內推出入庫，焦炭就不會復燃。
  14. Practices on rapid construction in freezing section of auxiliary shaft in suntong mine

    孫疃煤礦副井凍結段快速施工實踐
  15. According to the parameter we carries on the structure, the hydraulic system design and the blueprint, making this machine realize rotary drilling movements, break the frozen coal and unload the frozen coal to the outside of rail car ; carries on the processing, the assembly and the debugging of this machine

    根據得出的參數進行結構和液壓系統的設計，繪制圖紙，使該機實現旋挖進給運動，破碎凍煤和凍煤卸車;進行零部件進行加工、裝配，經過樣機調試，達到了設計的目的。
  16. Make necessary preparation in fuel department for unloading frozen coal in winter

    做好燃料部冬季卸凍煤的準備工作。
  17. In winter the outside temperature is - 15 ~ - 30, the wet coal freezes seriously in transportation. the frozen coal thick is about 400mm, sometimes freezes to a whole one, the unloading work is extremely difficult, affects the turnover of coal train, possessing rail cars and the railway, makes the railway transport strength not be fully displayed. it has created national manpower, financial resource loss, but in domestic and foreign, the development of movable frozen coal unloader is the blank

    在冬季北方室外平均氣溫在- 15oc ~ - 30oc ，濕煤在外運的過程中凍結現象嚴重，凍層厚在400mm左右，有時整車凍實，作業十分困難，影響運煤列車的周轉，造成壓車，壓線現象，使鐵路運力得不到正常的發揮，造成了國家人力，財力的損失，而國內外對于移動式卸凍煤機械的研製也是空白，為此急需研製一種能夠卸凍煤的可移動式卸煤機。
  18. Ordinary, the ice layer is the frozen coal structure weak link, when the external force achieved ice layer ’ s intensity, the frozen coal cracks

    通常凍煤冰層內部作用力是凍煤結構中的薄弱環節，當外力達到冰層的強度時凍煤即崩裂。
  19. This article studys the frozen coal microscopic adhesive structure, pointed out the intensity of frozen coal is the synthesis of chemical bond strength, intermolecular action, hydrogen bond strength, electrostatic force and friction force, because the coal freeze situation differents, effect of different factors are also different

    本文研究了凍煤的微觀凍粘結構，指出凍煤的強度是化學鍵力，分子間作用力，氫鍵力，靜電力和摩擦力等多種因素的綜合，因煤的凍結情況不同各因素所佔比例亦不同。
  20. May be used in iced coal or lump coal with a certain thickness

    能用於對一定厚度的凍煤或大塊煤采樣。
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