coal mining

Application of flooding forecasting system to coal mining under sea;

水情監測預警系統在海下采煤中的應用

Research on safety mining boundary of coal mining above limestone with pressurized water in Gaokeng Mine Field;

高坑井田承壓水上采煤安全開采邊界的研究

Affection analysis of coal mining drainage for regional water resources: taking coal mining area of upper reaches of Yangwu river valley as example;

采煤排水對區域水資源的影響——以山西陽武河流域上游煤礦區為例

1 opencut coal seam in Huolinhe Coal Mine are complicated,coal mining needs to choose and peeling not only needs to punching explode but also to broken to abandon.

霍林河一號露天礦煤層賦存條件復雜,采煤需要選采,剝離須穿孔爆破破碎排棄,為了簡化采煤、剝離工作面作業環節,降低運營成本,對露天采礦機工藝在霍林河一號露天礦采煤及剝離工程中應用的可行性進行研究。

The stores condition of Huolinhe first opencut coal seam is complicated,coal mining needs to choose and peeling needs not only to punching explode but also to broken to abandon.

霍林河一號露天礦煤層賦存條件復雜,采煤需要選采,剝離需穿孔爆破,破碎排棄,為了簡化采煤、剝離工作面作業環節,降低運營成本,對露天采礦機工藝在霍林河一號露天礦采煤及剝離工程中應用的可行性進行研究。

The composite influence of mining of caving face 109,caving face 103 and the small coal mine on the Tanghong Highway s deformation is analyzed with FEM.

分析表明,109工作面引起的開采沉陷對公路安全運營雖有一定影響,但影響不大,可以進行公路和村莊下采煤,109工作面的開采可以保證公路的正常運營及村莊建筑物的安全使用。

Optimization method of mining coal under Liangjia Village in Xinfa mine filed;

新發井田梁家村下采煤的優化方法

2‰,the relativeheight is 76lm and the mountain s1ope is 25°-35°, There are over 40 shafts r mining coal inthe gully and coal bed is in the Baiguowan Group of.

這場泥石流主要是溝內的大量采煤棄碴等松散碎屑物質在暴雨的激發下形成的。

It leads to four problems which are water resource breakage, mine ground distortion and land resource and vegetation resource breakage in exploitation sink area, mine "three wastes" and soil degeneration caused by mining coal.

以多年來山西采煤破壞生態環境狀況的調查成果為基礎,采用山西省環保局、水利廳、國土資源廳等部門研究出的開采噸煤的生態環境經濟損失系數,對山西采煤造成的生態環境損害進行了初步評估,并對今后若干年(至2020年)采煤對生態環境的損害進行了初步預測。

Study on adaptability of safety and high efficient mining method in Erdusi Area;

鄂爾多斯地區安全高效采煤方法的適應性研究

Study again on the mining method of deeply inclined angle coal seam in Huainan mine area;

淮南礦區大傾角煤層采煤方法再探

To improve mining method for ensuring the sustainable development of rural mines;

改革采煤方法確保鄉鎮煤礦可持續發展

Crawley midget miner

克勞雷薄煤層采煤機

Analszing the Influence on the Mass Rate of Coal From the Parameters of Screw Dram of Shearer

采煤機滾筒參數對采煤出塊率的影響

Application of Saw Mining at No.43004 Coal Face in Dongfeng Coal Mine

鋸式采煤法在東風煤礦43004采煤工作面的應用

On Thin Coal Mining and Application of Plow Coal Technology

我國薄煤層開采及刨煤機采煤技術的應用

The Influence of Seam Occurrence on Fully Mechanized Top Coal Caving

煤層賦存狀態對綜采放頂煤采煤法的影響

rill cut and fill method

傾斜分層充填采煤法

Formerly the coal was dug with picks and spades.

從前用鎬和鐵鍬采煤。

They extract coal from seams

他們從礦層中采煤。

a front - page feature on coalmining

有關采煤的頭版特寫

Application of MG400/940-WD Type Shearer

MG400/940-WD型采煤機的應用

Study on Spontaneous Combustion Risk of Mining Coal Seam Gob in DuErPing Coalmine

杜兒坪煤礦主采煤層采空區自燃危險性研究

Idea on combined coal mining technology with multi coal shearers for longwall coal mining face

長壁工作面多采煤機聯合采煤工藝的構想

Determination of Ventilation Way at Coal Face with Longwall Mining Method

長壁采煤法采煤工作面通風方式的確定

A research and application of automated fully mechanized longwall mining technique for use in low coal seams

薄煤層綜采自動化采煤工藝技術研究與應用

Scientific and reasonable determination of salary per ton coal mined for coal mining teams at coal mines;

煤礦采煤區隊噸煤工資單價科學合理的確定

Research on Equipments Coordination for Shearer in Soft Coal Thin Seam with Hard Roof

硬頂軟煤薄煤層滾筒采煤機設備配套研究

Sampling of coal in seam

GB482-1995煤層煤樣采取方法

Research and Application of Full-mechanized Caving Mining with High Mining Height in Huaibei Mining Area

淮北礦區大采高綜采放頂煤開采技術