無煤層 的英文怎麼說
中文拼音 [wúméicéng]
無煤層
英文
barren coalmeasures-
The following new opinions : without caving zone coal layer extraction in efflorescent oxygenized belts ; two effects of blocking water and preventing water flowing fractured zone from going on developing after mining effect ; appropriately enlarging the extraction thickness were presented
提出了風氧化帶煤層開采無垮落帶;受采動影響后,具阻水和抑制導水裂隙帶繼續發展的雙重作用以及適當加大開采厚度等新觀點。It was quite on a par with the quixotic idea in certain quarters that in a hundred million years the coal seam of the sister island would be played out and if, as time went on, that turned out to be how the cat jumped all he could personally say on the matter was that as a host of contingencies, equally relevant to the issue, might occur ere then it was highly advisable in the interim to try to make the most of both countries, even though poles apart
這種見解就跟一部分人所持的那種再過一億年,愛爾蘭島的姊妹島不列顛島的煤層就將被挖掘一空這一堂吉訶德式的看法如出一轍。隨著時間的推移,即便形勢的發展果如所料,關于這個問題他個人至多也只能說:在這之前會接連發生無數偶然事件,對于引發這一結局將同樣有著關連盡管兩國之間的分歧大得簡直是南轅北轍,眼下總還是以竭力相互利用為宜。Are about 12 billion tons. the main types of coal are coking coal, gas bituminous coal, lean coal and anthracite, etc. xiangning coal field is one of the three biggest metallurgical coal bases of the whole country, with the characteristics of thick bed,
首屈一指的煤炭資源,儲藏面積1 . 54萬平方公里,占總面積的5 % ,總儲量960億噸,探明儲量120億噸,主要煤種有主焦煤氣肥煤貧肥煤瘦煤無煙煤等,其中鄉寧主焦煤為全國三大主焦煤基地之一,而且煤層厚埋藏淺易開采。Technology of mining without pillar for level entry in much thicker inclined coal seam
淺談特厚易燃煤層水平布置巷道無煤柱開采技術The simulation results show the obvious effect of " stratified and staggered impinging stream type multiple - nozzle secondary air " on eliminating soot
在理論上證明了煤無煙燃燒鍋爐「多孔分層錯列撞擊流」式二次風在消除碳黑方面具有明顯的效果。Using anthracite - based hsaac as the electrode materials of electric double - layer capacitor ( edlc ), its charge - discharge performance in 30wt % h2so4, 30wt % koh and 1mol / l lipfg electrolyte and the relations between the charge - discharge performance and specific surface area, pore structure of anthracite - based hsaac were discussed. experiment results show that the structure and performance of activated carbon ( ac ) are influenced mainly by amount of activating agent, activating temperature and activating time
同時將所制得的無煙煤基hsaac作為雙電層電容器( electricdouble - layercapacitor ,簡稱edlc )的電極材料,通過適當的工藝製成hsaac電極,以30的h _ 2so _ 4水溶液、 30的koh水溶液和lmol l的lipf _ 6有機溶液作電解質溶液,組裝成三種不同的edlc ,探討了edlc的充放電性能及其與無煙煤基hsaac電極材料的比表面積和孔結構的關系。In this article, analysis is made on some problems which must be faced when plasma ignition technology is applied in 600mw unit boiler to achieve a power plant without oil, such as plasma burner disposal, the number of plasma burner, the boiler ignition coursing satisfy the temperature needs, pulverized coal origin, hot air origin, and reconstruction solutions are proposed
本文詳細分析了某廠2 600mw機組鍋爐採用等離子點火技術實現無燃油電廠所面臨的等離子燃燒器的布置、等離子燃燒器層數的選擇、鍋爐點火啟動滿足升溫速度的要求、煤粉的來源、熱風的來源等問題,並提出了相應的解決方案。The results show that ( 1 ) the unconsolidated confined aquifer plays a crucial role in load transfer because of its fluidity and replenishment in time, making the loads of overburden soil evenly transfer into the bedrock through the unconsolidated confined aquifer and the load keep constant during the excavation process ; ( 2 ) under the condition without unconsolidated confined aquifer, the load on the bedrock will be reduced sharply during the excavation
研究結果表明:鬆散承壓含水層條件下,由於承壓水的流動性和補給作用,上覆表土層的載荷通過鬆散承壓含水層均勻地作用於下部基巖上,開挖過程中基巖頂界面上的載荷基本保持恆定,鬆散承壓含水層起到均勻傳遞載荷的作用;無鬆散承壓含水層時,作用在基巖頂界面上的表土層載荷隨煤層開挖而顯著降低。The fast development constructs which along with the present domestic highway, the, tunnel increases day by day in highway application, carried on the tunnel construction in the coal formation stratum land sector still the not mature construction safety control measure, this article in detail sunjiazhai coal bed tunnel succeeded the construction control technology, will have certain model function to the next similar project construction
摘要隨著目前國內高速公路建設的快速發展,隧道在高速公路中的應用日益增多,在煤系地層地段進行隧道施工尚無成熟的施工安全拉制措施,詳細介紹孫家寨煤層隧道成功的施工控制技術,對今後類似工程的施工有一定的借鑒作用。Some of the commonly specified coatings include epoxies, coal tar derivatives and sacrificial zinc primers
通常採用的塗層包括:環氧樹脂,煤焦油衍生物和無鋅底漆。Aimed at the shortcomings of coalface passing through fault as low speed, low efficiency and low - quality coal and so on, a new technique was suggested
摘要針對採煤工作面過斷層速度慢、效率低且影響煤質等缺點,提出工作面快速無矸石過斷層清潔開采技術。Analysis and practice of pillarless mining of short - interval group of coal seams in jinjia mine
金佳礦井近距離煤層群區段無煤柱開採的分析與實踐分享友人