1.
Theory on P-Wave Azimuthal AVO and Detecting Technique of Coal Bed Cracks
P波方位AVO理论及煤层裂隙探测技术
2.
Study on seismic waveform classification technique for detection of coal seam fracture
煤层裂隙探测的地震波形分类技术研究
3.
The Study of Induce-crack Mechanicals and Cranny's Development Process about Hydraulic Fracture in Mining-coal Bed;
本煤层水力压裂致裂机理及裂隙发展过程研究
4.
Study of Overburden Water Flowing Fractured Zone Height of Steep Seam Mining
急倾斜煤层覆岩导水裂隙带高度研究
5.
A research on the relation between mining caused coal seam roof fissures and mine gas distribution
煤层顶板采动裂隙与瓦斯分布关系研究
6.
Gun thin seam mining face fracture management and production safety
薄煤层炮采工作面裂隙管理与安全生产
7.
Application of Gas Extraction Technology by High-level Fracture Borehole in Fully Mechanized Caving Face of Thick Coal Seam
高位裂隙钻孔抽采技术在厚煤层综放面的应用
8.
RESEARCH ON ELECTRICAL PREDICTION FOR EVALUATING WATER CONDUCTING FRACTURE ZONES IN COAL SEAM FLOOR
煤层底板导水裂隙演化规律的电法探测研究
9.
Water Controlled Coal Mining Technology Under Cracking Strata of Super Thick Gravel Layer with High Pressurized Water
高水压巨厚砂砾层裂隙岩体下控水采煤技术
10.
The study methods for coal reservoir fissures are analyzed from the view I)oint of coal petrology,and the deft nitions related to the fissures are presented.
从煤岩学的角度，对煤储层裂隙的研究方法进行辩析，提出有关裂隙的定义。
11.
EXPERIMENTAL RESEARCH ON FRACTURE EVOLUTION LAW OF WATER-RESISTING STRATA IN COAL SEAM FLOOR ABOVE AQUIFER
承压水上开采煤层底板隔水层裂隙演化规律的试验研究
12.
The way and principle of Gaussian curvature method for forecasting natural fracture zones in coal seam are discussed.
论述了高斯曲率法预测煤层天然裂隙发育区的基本原理和方法。
13.
Detection of the Limestone Karst Cracks in Coal Outcrop Area by GPR
利用探地雷达技术探测煤层露头区灰岩岩溶裂隙
14.
Study on Disasters Resulted from the Leakage of Wind and Technology of Preventing and Extinguishing Fire in Top-coal Caving of Steep Seam;
急倾斜放顶煤开采岩层裂隙漏风致灾及防灭火技术研究
15.
Research on Coupling Laws between Fracture Field and Gas Flow Field of Short-Distance Coal Seams Group and Preventive Technology;
近距离煤层群采动裂隙场与瓦斯流动场耦合规律及防治技术研究
16.
Prediction of Water-flowing Fractured Zone's Height in Roof of Coal Based on Neural Networks Trained by Particle Swarm Optimization
基于粒子群优化神经网络的煤层顶板导水裂隙带高度预测研究
17.
According to the criteria, natural fracture zones of No.3 coal seam are divided into four grades and then the permeability distribution of No.3 coal seam is preestimated.
依据该标准将3号煤层天然裂隙划分为4级发育区，进而预测出3号煤层渗透率的分布概况。
18.
Comprehensive administration for shaft crevice water in Liujia Coal Mine
六家煤矿立井筒孔裂隙水的综合治理