A statistical channel model of wideband UHF radio waves along rectangular-like mine tunnel;
类矩形矿井巷道中UHF宽带电磁波统计信道建模
The mine tunnel and the overall focus on local construction sites of thinking,from the three-dimensional visual clearly show to be shown the roadway and its focus on the site,to simulate the mine fire smoke in the tunnel in the scene to provide liquidity situation.
阐述了矿井巷道三维模型总体和局部重点部位的构建思想,从立体视觉上能清晰的呈现所要显示巷道及其重点部位,为模拟矿井火灾烟流在巷道中流动状况提供场景。
Based on the multi-section Nakagami distribution statistical channel model of mine tunnel for wideband radio wave, the bit error rate (BER) performance of multicarrier direct-sequence code-division-multiple-access (MC-DS-CDMA) modulation in mine tunnel was simulated.
基于所建立的Nakagami分布矿井巷道宽带统计分段信道模型,仿真研究了多载波直接序列扩频码分多址接入(MC-DS-CDMA)调制技术在矿井巷道中的宽带无线通信性能。
Analysis on communication performances of DS-CDMA modulation technology in mine roadway;
DS-CDMA调制技术在矿井巷道中的通信性能分析
Study on the gas flow pattern in the coal lane and the recommended safe coal excavation method;
瓦斯气在煤矿巷道中的流动规律和推荐的安全采煤法
Study on laws of deformation of scattered surrounding rock near mine tunnel;
散粒体矿山巷道围岩的变形规律研究
Coal workings line the route in this hilly, washed out section.
煤矿内巷道位于这个多坡的被水冲蚀地区的道路两旁。
The Viscoelasticity Analysis of the Roadway Within F_2 Fault Zone at Tao Yuan Mine;
桃园煤矿F_2断层带内巷道的粘弹性分析
Research on Heat Transfer of Rock Wall in Mine Tunnels;
煤矿巷道内围岩传热量计算若干问题的研究
Experiment and Study on Gas Explosion Features in Simulated Mine Roadway
模拟煤矿巷道内瓦斯爆炸特性的试验研究
horizontal underground passage in a mine
（矿坑中的）水平巷道.
A gallery or drift in a mine.
矿井中的水平巷道或小平巷
A level in a mine driven so that it intersects a vein of ore.
石门，横巷矿井内掘出的平巷，它与矿脉相交
A horizontal or nearly horizontal passageway in a mine running through or parallel to a vein
水平巷道穿过矿脉或与矿脉平行的矿井中水平或近似水平的巷道
A passage or gallery in a coal mine.
通道煤矿中的通道或水平巷道
Code for design of roadway section and junction lf coal mine
煤矿矿井巷道断面及交叉点设计规范
The laws of strata behavior for the gob-side tailgate in the Jining No.3 Coal Mine
济三煤矿沿空巷道矿压显现规律研究
The Study of the Celerity Single Tunneling Technique of the Horizontal Tunnel in the Second Shizuishan Mining;
石嘴山二矿水平巷道单巷快速掘进技术研究
a secondary mine passageway between two main shafts or tunnels.
矿井中连接两条大隧道的小巷道.
Hot-rolled U-type steel for mine timbering
GB/T4697-1991矿山巷道支护用热轧U型钢
Assembled reinforced-concrete supports for roadways in coal mines
GB248-1964装配式钢筋混凝土煤矿巷道支架
Research on Hongmiao Mine United Timbering of Soft Rock Coal Roadway under High Stress;
红庙矿高应力软岩巷道联合支护研究
Study on the Laneway Timbering Decision-Making Sestem of the Mine of Daizhuang Shengjian;
岱庄生建煤矿巷道支护决策系统研究
Strengthening and Toughening of the Steel for Metallic Supporting and Protecting Components of Mine Roadways;
煤矿巷道金属支护构件用钢的强韧化