1.
Study on Uncovering Low Permeable Coal Seam Through Cross Cut by Deep-hole Blasting Technology to Increase Permeability of Coal Seam;
石门揭穿低透气性煤层深孔爆破增透技术研究
2.
The Theory and Technology Study on Pressure Relief and Permeability Enhancements of the Coal Seam with High Concentration of Gas and Low Permeability
高瓦斯低透气性煤层卸压增透理论与技术研究
3.
Study of Gas Exhausting and Mining Techniques on Outburst Coal Seam with Low Permeability for Strengthening Antireflection
低透气性突出煤层强化增透瓦斯抽采技术研究
4.
Theory and practice of integrated pillarless coal production and methane extraction in multiseams of low permeability
低透气性煤层群无煤柱煤气共采理论与实践
5.
Research on Directional Drilling Technique of Gas Drainage in Low Gas Permeability Coal Seam;
低透气性煤层瓦斯抽放定向钻进技术研究
6.
Test on Pressure Released Blasting Applied to Seam Opening of Cross-Cut in High Gassy and Low Permeability Seam
高瓦斯低透气性煤层石门揭煤卸压爆破试验
7.
Study on the Technology of Increasing Drainage in High Gas and Low Air Permeability Coal Seam;
高瓦斯低透气性煤层强化增透抽放瓦斯技术研究
8.
Study on Effect of Intensified Increasing Permeability by Deep-hole Presplitting Blasting in High Gas and Low Permeability Coal Seam
高瓦斯低透气性煤层深孔预裂爆破强化增透效应研究
9.
Application of Gas Tail Gateway to Top Coal Caving Mining in Low Permeability Thick Seam
瓦斯尾巷在低透气性厚煤层放顶煤开采中的应用
10.
Countermeasures for Enhancing Gas Drainage from Single Thick Coal Seam with Low Permeability
提高单一低透气性厚煤层瓦斯抽采效果技术对策
11.
Application of Hydraulic Pushing Technology in Medium Thick and Low Permeability Outburst Seam
水力挤出技术在中厚低透气性突出煤层中的应用
12.
LOW-SPEED AND NON-LINEAR FLOW THROUGH POROUS MEDIA NUMERICAL SIMULATION FOR LOW-PERMEABILITY GAS RESERVOIR
低渗透气藏低速非线性渗流数值模拟研究
13.
Laboratory Study on Stress Sensitivity of Fractured Reservoir with Low Permeability
裂缝性低渗透气藏的应力敏感性室内研究
14.
Poor drainage causes deficient soil aeration and death of the roots.
排水不良能减低土壤的透气性，使根死亡。
15.
Pore deformation of low-permeability gas reservoirs is characteristic of elastic plastic deformation.
低渗透气藏孔隙变形具有弹塑性变形的特征。
16.
RESEARCH ON CBM DEVELOPMENT OPTIONS FROM LOW PERMEABILITY COAL SEAMS
低渗透性储层煤层气地面开发方案的探讨
17.
Adaptability of gas flooding for deep reservoir with low to medium permeability in Jidong Oilfield
冀东油田深层中低渗透油藏气驱适应性
18.
Air Pressure Fluctuation Induced by Sea Tide in a Coastal Unsaturated Zone Covered with a Layer of Lower Permeability
海潮引起的临海地区低渗透性覆盖层下包气带中的气压波动