Forecast Model of Spontaneous Combustion in Goaf of Close Distance Coal Seams;
近距离煤层采空区自然发火预测模型
Taking the first coal face 13116 of the below 6# coal seam in Xieqiao Coal Mine as an example,the paper analyzes the regularity of strata behavior of fully mechanized working face,the law of overburden strata movement,the performance and adapt ability of hydraulic support through observing the pressure appearance in the course of the mining for close distance coal seams.
文章以谢桥煤矿近距离煤层下层煤13116首采工作面为例,通过对近距离煤层开采过程中,工作面及上下顺槽的矿压观测,分析了近距离下部煤层的矿压显现特征、顶板运移规律、液压支架的性能和对该煤层顶底板的适应性及控制效果。
Under the condition of close distance coal seams ascending mining in Suncun coal mine,using RFPA numerical analysis software,we analyzed the stress environment of the upper coal seam.
采用RFPA数值分析软件,对孙村矿深部近距离煤层上行开采条件下,上位煤层回采巷道的应力环境进行了分析;结合覆岩导水裂隙带的观测结果,探讨了上位煤层回采巷道的稳定性,证明上行开采条件下上位二层煤的回采巷道稳定性较下行开采有较大的改善;同时研究了上位二层煤开切眼的合理位置,为保证上行卸压开采的成功提供了理论依据。
The special strata in the faces at close-distance seams are concluded,the technical scheme and characteristics of new-type support equipment used under special geological conditions are introduced.
总结了近距离煤层开采工作面不同于一般煤层开采面的矿压特征,介绍了根据特殊地质条件开发新支护设备的技术思路及其结构特点。
Analysis of Optical Emission Spectra from ICP of Ar in the Vicinity of Plasma Sheath
ICP等离子体鞘层附近区域发光光谱特性分析
Research on Characteristic of Plasma Sheath and Dust Particles in the Sheath;
等离子体鞘层及尘埃在鞘层中的特性研究
The Research on the Characteristic of PBAIP Sheath;
PBAIP等离子体鞘层物理特性的应用研究
The Study on Particles Transport Characteristics in a RF Plasma Sheath;
射频等离子体鞘层中粒子输运特性的研究
Research on Hydrodynamics Simulations of Radio-frequency and Pulse-Biased Plasma Sheaths;
射频及脉冲偏压等离子体鞘层流体动力学模拟
Study on Dusty Plasma Parameters in the Polar Mesopause;
极区中层顶区域尘埃等离子体参数的研究
Electrons streaming into adjacent layers of plasma with their thermal velocities will carry information about what is happening in the oscillating region.
以热速度流入等离子体邻近层的电子,将携带出现在振荡区域的信息。
Pulsed Plasma Sheath Dynamics for Plasma Source Ion Implantation and Glow Discharge;
等离子体源离子注入及辉光放电过程中脉冲鞘层动力学研究
Computer Simulation of Plasma Sheath Evolution in a Cylindrical Bore in Plasma Source Ion Implantation;
空心圆管中等离子体源离子注入鞘层动力学研究
Computer Simulation of Plasma Sheath Evolution in Plasma Source Ion Implantation;
等离子体源离子注入过程中鞘层时空演化的计算机模拟
Numerical Study of Sheath Characteristics with Dielectric Target in Plasma Source Ion Implantation;
等离子体源离子注入介质靶鞘层特性的数值研究
Fluid Simulation for Charged Particle Transport in Capacitively Coupled Dual Radio-frequency Discharges;
双频容性耦合等离子体鞘层中带电粒子输运的流体力学模拟
Fluid Simulation for Sheath Characteristics in Dual-frequency Capacitively Coupled Discharges;
双频容性耦合等离子体鞘层特性的流体力学模拟
Two-dimensional Fluid Simulation of the RF Bias Plasma Sheath Characteristics
射频偏压等离子体鞘层特性的二维流体力学模拟
The Propagation Characteristic of Oblique Incident Plane Electromagnetic Waves through Re-entry Plasma Sheath Layer
再入等离子体鞘层中斜入射平面电磁波的传播特性
Motion of Electron in a Laser Field around a Plasma Interface Under Compton Scattering
Compton散射下激光等离子体界面附近电子的运动
Study of Ionospheric Irregularities in the Vicinity of SED Region During a Super Geomagnetic Storm
暴时密度增强区附近电离层不均匀体研究
Calculation of Propagation Characteristics of Electromagnetic Wave in Plasma Sheath Using ADE-FDTD Method
等离子体鞘套中电磁波传播特性的ADE-FDTD计算