1) gas migration
瓦斯运移
1.
The mathematical model of gas migration in goaf was established,based on the theory of seepage and dispersion equation of gas's one-dimension flow.
运用渗流理论和瓦斯流动弥散方程建立了采空区瓦斯运移数学模型,并结合通风网络解算理论对某矿1307工作面三源二汇采空区瓦斯浓度场进行了数值模拟,分析了多种因素的影响。
2.
In order to investigate the influence imposed by drainage gas lane to goaf gas distribuuion,mathematical model of gas migration in goaf was established basing on filtration theory.
为了考察泄排巷对采空区瓦斯分布的影响,运用滤流理论建立了采空区瓦斯运移数学模型,模拟研究了无瓦斯泄排巷、有1条泄排巷和2条泄排巷,以及泄排巷位置发生变化时采场瓦斯分布特性。
3.
The transport equation and numeric simulation equation of gas migration in compressible coal seam with dual pore have been built up.
建立了双重孔隙、可压密煤层瓦斯运移方程和数值模拟方程，通过计算机数值模拟解，并运用相似理论，得到了煤层瓦斯压力分布曲线和煤（孔）壁瓦斯涌出衰减曲线。
2) gas delivery
瓦斯运移
1.
Analyzing the distortion character can better identify the top coal caving law and the gas delivery characteristics.
含瓦斯煤层开采使工作面煤壁前方煤体及顶煤乃至顶板的原生结构遭到破坏,顶煤从煤壁前方始动点开始运移至放煤口经历了复杂的过程,煤岩体中的孔隙率也随之发生变化,致使煤岩体中瓦斯的赋存状态和运移形态亦相应发生变化,分析其变形特征可更好的认识放煤规律及煤体瓦斯运移特性。
3) gas transport
瓦斯运移
1.
Numerical simulation and experimental study of gas transport in the upper corner of mining face under pulsed ventilation;
脉冲通风条件下上隅角瓦斯运移数值模拟与试验研究
4) methane movement
瓦斯运移
1.
Study on the mechanism and process of the methane movement it the tunnel;
巷道瓦斯运移机理及运移过程的研究
5) gas movement
瓦斯运移
1.
The paper stated a gas movement process at the top even angle in seam roadway and coal mining face and the cause of gas accumulation in some coal area.
首先分析了瓦斯在井巷风流中的运移扩散方式 ,论述了煤层巷道及工作面上隅角瓦斯运移过程及其局部区域形成瓦斯积聚的原因 ,就目前所用的治理局部瓦斯积聚的措施进行了简要分
6) relieved gas delivery
卸压瓦斯运移
1.
After mining in methane-rich thick seams,the law of relieved gas delivery in coal and rock mass is closely related to its permeability,which is influenced by the change of abutment pressure.
富含瓦斯厚煤层综放开采后,煤岩体中的卸压瓦斯运移规律与其渗透性密切相关,而支承压力变化又对渗透性有很大的影响,即采场卸压瓦斯的运移规律明显受支承压力的影响。
补充资料：小运
1.旧时星命家用语。谓每一年行一运﹐主一年的吉凶﹐称小运﹐也称流年。 2.堪舆家语。大致依《皇极经世书》之说﹐以甲子六十年为一元﹐又以一元六十年为大运﹐一元之中每二十年为小运﹐以此定地气之衰旺。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条