| 1. | Application of ground radar in advance detection of coal roadway 探地雷达在煤巷超前探测中的应用 |
| 2. | Practical detect technology to discover the hornitos and weak terrane 应用超前探测技术查明溶洞及软弱层 |
| 3. | Practices on pilot probing technology with dc power three sources in xingtai mining area 直流电三点源超前探测技术在邢台矿区的应用 |
| 4. | The principle and application of advance surveying in roadway excavation by resistivity method 巷道掘进中电阻率法超前探测原理与应用 |
| 5. | Then inversion of the advanced detection is caried out by least square method 然后采用最小二乘法对超前探测视电阻率曲线进行快速反演。 |
| 6. | Analysis on characteristics of reflection seismic pilot detecting technology in thin layered media 薄层状介质中反射地震超前探测的特性分析 |
| 7. | Technology of advance detection by electric method and accurate detection of water geologic structure 电法超前探测技术与矿井含水构造精细探测 |
| 8. | Research and analysis of forward prediction technology using seismic reflection wave in tunnel and laneway in china 中国隧道及井巷地震波法超前探测技术研究分析 |
| 9. | The place of the anomalous extremum of apparent resistivity curve is related to the position , thickness , resistivity and occurrence of geologic bodies ahead of the tunnel 摘要在坑道电阻率超前探测工作中,视电阻率异常极值位置与异常体位置、厚度、电性以及产状相关。 |
| 10. | Firstly , we make numerical modeling analysis with finite element method and eliminate the effect of tunnel - cavity , translate the apparent resistivity curve of advanced detection in tunnel into the curve in full space 首先利用有限元数值模拟技术分析并消除坑道空腔对视电阻率的影响,并将坑道超前探测视电阻率曲线转化为全空间视电阻率曲线。 |