低透气性突出煤层,low permeability outburst coal seam英语短句,例句大全

低透气性突出煤层,low permeability outburst coal seam
1)low permeability outburst coal seam低透气性突出煤层
1.Study on the roadway excavation rapidly in the low permeability outburst coal seam;低透气性突出煤层巷道快速掘进的试验研究

英文短句/例句

1.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
2.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
3.Application of Rapid Excavation in Roadway of Low Gas Permeability & Outburst Coal Seam Based on Deep-hole Pre-splitting Control Blasting卸压爆破在低透气突出煤层快速掘进中的应用
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.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
6.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
7.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
8.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
9.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
10.Deformation and Permeability Distribution Rule of Overlying Outburst Seam in Exploiting Extra-Thin Protective Seam by Drilling Method and Its Application in Pressure Relief Gas Drainage极薄保护层钻采上覆突出煤层变形与透气性分布规律及在卸压瓦斯抽采中的应用
11.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
12.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
13.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
14.Study on Mechanism of Injection Heat Increasing Production in Coal-bed Gas of Low Permeability Coal Seam低渗透煤层煤层气注热增产机理的研究
15.Technic Study on Increasing Permeability of Deep-hole Presplitting Blasting and Its Application in Low Permeability Coal Seam;低透气煤层深孔预裂爆破增透技术研究及应用
16.Results Analysis on Safety Penetration Improvement Technology for Outburst Seam in Qinan Mine祁南煤矿突出煤层安全增透技术效果分析
17.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
18.Extraction Mechanism of Relieved Gas from Low Permeability Seam低渗透性煤层卸压瓦斯抽采机理研究

相关短句/例句

the low gas permeability coal seam低透气性煤层
1.This paper based on the low gas permeability coal seam 416 stope working face of Tongchuan mineral bureau,we analyzed the mechanism of the hydraulic cutting seam to improve the gas permeability coal seam,by this study,it shows the hydraulic cutting seam technology is effectual measure and it is provided with nicer practically and capacious foreground.文章以铜川矿务局陈家山煤矿低透气性416综放工作面为研究背景,深入研究了水力割缝增强煤层透气性的作用机理,试验表明了水力割缝的确是一种提高低透气性煤层瓦斯抽放的有效措施,并具有良好的实用性和广阔的推广前景。
3)low air permeability coal seam低透气性煤层
1.Using RFPA2D-Flow stereo-gasses coupled system to simulate the process of gas draiange in lower air permeability coal seam by loose blasting,it interprets that loose blasting is a effective ways to increase air permeability in low air permeability coal seam.运用RFPA2D-Flow固气耦合系统模拟了松动爆破抽放低透气性煤层内瓦斯的过程,解释了爆破松动是增加低透气性煤层透气性的有效途径,本文对松动爆破前后抽放过程中煤层内瓦斯压力和瓦斯渗流场的变化规律进行了数值模拟对比,为进一步理解瓦斯抽放、松动爆破增透机理等提供理论基础和科学依据。
4)low permeable coal seams低透气煤层
5)coal seam with low gas permeability低透性煤层
1.Gas drainage in high gassy coal seam with low gas permeability is always an hard solved significant technology problem in the process of safety production.高瓦斯低透性煤层的瓦斯抽放,一直是煤矿安全生产过程中的重大技术难题。
6)high gassy and low permeability coal seam高瓦斯低透气性煤层
1.A new damage model was built for explosive for LS-DYNA3D by taking advantage of Taylor method aimed at the high gassy and low permeability coal seam,and the deep-hole presplitting explosion was numerical simulated.针对高瓦斯低透气性煤层,采用Taylor方法建立了一个新的LS-DYNA3D爆破损伤模型,对深孔预裂爆破进行了数值模拟研究,再现了爆破过程中,动压冲击震裂、应力波传播与叠加以及爆生气体驱动裂纹扩展的整个过程,分析了爆破孔间距对爆生裂纹和爆破增透效果的影响,提出了高瓦斯低透气性煤层深孔预裂爆破的合理间距为5-6 m,为高瓦斯低透气性煤层的瓦斯抽放提出了解决方案。
2.It is difficult to conduct gas drainage in a high gassy and low permeability coal seam.为了解决高瓦斯低透气性煤层的瓦斯抽放难题,利用数值模拟和现场测试相结合的方法,研究了深孔预裂爆破技术对高瓦斯低透气性煤层的卸压增透效果。