1.
Experiment on Working Seam Advanced Pressure Releasing and Gas Drainage in Shigang Mine
石港煤矿本煤层超前卸压瓦斯抽采试验
2.
Research and Application of In-seam Deep Borehole Construction Equipment and Technique in Pingdingshan No.10 Mine
平煤十矿本煤层深孔施工装备及工艺研究应用
3.
There are many kinds of forms of gas discharge, but the main form is soft coal seam gas discharge.
瓦斯抽放形式有多种,本煤层抽放是其主要形式。
4.
The Study of Induce-crack Mechanicals and Cranny's Development Process about Hydraulic Fracture in Mining-coal Bed;
本煤层水力压裂致裂机理及裂隙发展过程研究
5.
The application of the gas drainage technology in Donghai coal mine is introduced, including gas drainage in close coal layer, gas drainage in goaf, gas drainage from coal, and local gas drainage.
介绍瓦斯抽放在东海矿的应用,抽放方式为邻近层抽放、空区抽放、本煤层抽放及局部抽放。
6.
Stability analysis of basic roof in fully-mechanized top-coal caving mining of the steep seam
急斜煤层综放开采中基本顶的稳定性
7.
In-seam Deep Borehole Drilling Technique in Soft and Outburst Thin Seam
松软突出薄煤层本层深孔抽采瓦斯施工工艺
8.
Stability analysis of basic roof after first destruction in the steep seam
急斜煤层初次破断后基本顶稳定性分析
9.
Sampling of coal in seam
GB482-1995煤层煤样采取方法
10.
Chinese classification of in seam coals
GB/T17607-1998中国煤层煤分类
11.
Crawley midget miner
克劳雷薄煤层采煤机
12.
The lime-stone rocks bed up against the coal.
石为岩层紧靠着煤矿层。
13.
Shale underlies coal.
页岩层在煤层之下。
14.
Study on Genesis of Coal Structure of No.8&10 Coal Seams in Luling Mining
芦岭煤矿8、10煤层煤体结构成因探讨
15.
The way and principle of Gaussian curvature method for forecasting natural fracture zones in coal seam are discussed.
论述了高斯曲率法预测煤层天然裂隙发育区的基本原理和方法。
16.
Basic Theory and Test Research about Action Relation of Water-gas Two-phase Flow in Coal-bed methane;
煤层气矿藏水——气两相流作用关系的基本理论及试验研究
17.
Analyses the existing problems carried pressure to min Xiyu coal mine seam, introduces the basis ways and safety practices of preventing water disaster.
分析了西峪煤矿煤层存在的带压开采问题,介绍了井下防治水的基本途径及安全措施。
18.
The Baie exploration area of 10~# coal seam of CBM exploration
白额勘探区10~#煤层煤层气初探