1.
Study on the Adaptability and Potential of Mechanical Mine Equipments in Pan-jiang Coal Field Mechanical Mine Working Location;
对盘江矿区主要煤层机采设备适应性及挖潜的研究
2.
Gas-bearing property of Principal coal seams is good according to data analysis of pore space type ?
积和吸驸常数等资料分析，主要煤层的储气性能良好，具有良好的开发和利用
3.
Seam Comparison of Main Coal-bearing Section in Wujianfang Coalfield in Mogolia
内蒙五间房煤田主要含煤段煤层综合对比
4.
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。
5.
Study on Hydrochemical Characteristics of the Lower Group Coal Seams' Main Discharge Aquifers in Nantun Coal Mine
南屯煤矿下组煤主要充水含水层水化学特征研究
6.
The coal characteristics analysis of main coal seam of Mayidongyi mine field in Pan county Guizhou Province
贵州盘县马依东一井田主要可采煤层煤质特征分析
7.
The Reinforcement and Support Technology for the Main Entry of No.11~(-2) Coal Seam in the Coal Mine of Tang ShanGou
唐山沟煤矿11~(-2)号煤层主要大巷加固支护技术探析
8.
3）The starting-crack location and pressure and direction of hydraulic fracture bore which through many coal delaminations mostly lies on the intensity of furthest-weak coal delamination and interface.
3）穿层钻孔起裂位置、方向及起裂压力主要受最弱煤分层及分层层面强度的影响。
9.
The existing mine gas in coal bed occurs mostly in the free state,the adsorption state and the dissolved state.
瓦斯气体在煤储层中的赋存状态主要有游离态、吸附态和溶解态。
10.
Main technical problems and strategy faced in the CBM development in China
我国煤层气开发面临的主要科学技术问题及对策
11.
The Occurrence Characteristics and Protection-utilization Countermeasure of Groundwater's Protecting Target Layer in the Main Coal-mining Area of Shaanxi Province
陕西主要煤矿区地下水保护目标层赋存特征及其保护利用对策
12.
The main minable seamⅡ_1 belenged marshy sediment in delta plain.
认为山西组是在三角洲环境下形成的，主要可采煤层二1煤是三角洲平原上的沼泽沉积。
13.
Coal spontaneous combustion is one of disaster in Yima coalfield.
煤炭自燃是义马煤田主要灾害之一。
14.
Elementary Analysis of Main Coal Measures Coal-forming Environment and Coal Looking Orientation in Hubei Province
湖北省主要煤系成煤环境及找煤方向浅析
15.
The sag can be divided into 5 secondary tectonic belts, the main sedimentary formation is Tertiary and the main source rock is Pinghu coal measures of Eocene.
该凹陷分为5个二级构造带，沉积地层以第三系为主，主要烃源岩为始新统平湖组煤系。
16.
Key Controlling Factors Comparison between High and Low Rank CBM Reservoir Formation;
高、低煤阶煤层气藏主控因素差异性对比研究
17.
Study on Spontaneous Combustion Risk of Mining Coal Seam Gob in DuErPing Coalmine
杜儿坪煤矿主采煤层采空区自燃危险性研究
18.
The Construction Program of Exposing Deep Seam of in Main Shaft Coal of HU Jia-River Mine
胡家河煤矿主井井筒揭露深厚煤层施工方案