sublevel mining 中文意思是什麼
sublevel mining
解釋
分段回採-
Stability analysis and control principles of soft rock roadway bestrided over mining by isolated fully - mechanized mining face with sublevel caving
綜放跨采軟巖巷道穩定性分析與控制原則 -
Field survey study of ground movement and deformation laws of fully - mechanized mining with sublevel caving
綜放開采地表移動規律實測研究 -
Field survey study of ground movement and deformation laws of fully mechanized mining with sublevel caving
綜放開采條件下地基反力的變化規律 -
Technology of high efficient mining for fully mechanized sublevel caving working face to sideway pass through sunk column
綜放工作面遇陷落柱高效開采技術 -
Double unit coal mining technology for thin seam coal mining tace with road retained for next sublevel
薄煤層沿空留巷對拉開采技術 -
Analysis on danger of pressure bump when fully mechanized sublevel caving mining face passed through terminal mining line of top slicing seam
綜放面過上分層終采線沖擊地壓危險性分析 -
With the mining of no. 1 ore body which is solwly inclined, large and thick at the west flank of xinqiao pyrite mine as the example, analytic comparision is made between flat - back cut and fill stoping and sublevel open stoping with one - time delayed filling. the suggestion on the optimization of the mining and the discussion on appropraite mining method and the technical parameters of mining technology for slowly inclined large and thick ore body are also made
以新橋硫鐵礦礦體西翼緩傾斜厚大礦體的開采為實例，對生產中應用的水平分層充填采礦法和分段空場嗣後一次充填采礦法進行分析比較，提出采礦方法的優化建議，探討緩傾斜厚大礦體合適的采礦方法和采礦工藝技術參數。 -
Mining technique of combined arrangement of coal seam with entry and inclined roadway in common sublevel
煤層與共用區段平巷斜巷聯系布置開采技術應用 -
The practise of blast technique of sublevel drilling and stope mining
分段鑿巖階段礦房法爆破工藝的實踐 -
Research of large diameter long - hole sublevel room mining in zijinshan gold - copper mine
紫金山金銅礦大直徑深孔階段礦房法的試驗 -
The blast of sublevel caving together with the blast of undercutting, crater opening and slot cutting are brought about successfully at same time in the practice of sublevel drilling and stope mining with nonelectric blast ignition system, and the productivity of mining is increased
在分段鑿巖階段礦房法回採實踐中，用非電導爆管雷管起爆系統成功地實現了階段落礦爆破與拉底、辟漏、切槽爆破一次同步進行，提高了生產效率。 -
An experimental study on high sublevel mining technology
高分段采礦技術試驗研究 -
With computer imitation and laboratory physical analog as the lead and on the basis of test ore blocks and industrial blownoff - ore rock tests, study on the enlarged - structure parameters of sublevel caving in meishan iron mine was carried out, which included single tests of drilling and blasting parameters ， transition sublevels and equipment complementation. the timely popularization of this enlarging structural parameter technique has greatly improved the performances of the sublevel caving mining and promoted the technological advance of underground mining
梅山鐵礦加大無底柱分段崩落法采礦結構參數研究，採用計算機模擬、實驗室物理模擬為先導，試驗礦塊、工業放出體試驗為基礎，分別進行了采場鑿巖爆破參數、過渡分段、設備配套等單項試驗，並在全礦及時進行了推廣應用，極大地改善了礦石開采過程中的各項指標，促進了地下礦山開採的技術進步。 -
Application of medium - length hole sublevel open stoping to the mining of thick part of high grade complex orebody
中深孔分段空場采礦法在高品位復雜難采厚礦段的應用 -
The study on the test of sublevel stoping mining method in an mo mine
某鉬礦采礦方法的優化設計 -
Abutment pressure distribution and its transfer law in floor of deep isolated fully - mechanized mining faces using sublevel caving
深井孤島綜放面支承壓力分佈及其在底板中的傳遞規律 -
Application of lateral pin - point blasting mining technique in the sublevel open - stopes
側向爆破拋擲出礦技術在分段空場法中的應用 -
Application of the method of sublevel open stope mining followed by filling at xinqao pyrite mine
分段空場嗣後一次充填采礦法在新橋硫鐵礦的應用 -
Surrounding rock abutment pressure distribution and thickness effect of dynamic catastrophic in fully mechanized sublevel mining stope
綜放采場圍巖支承壓力分佈及動力災害的層厚效應 -
Control of tailentry rib spalling in the neighborhood of district sublevel under mining - induced pressure
采動壓力下相鄰區段回風巷道片幫控制
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