1.
Study on Water-Inrush Mechanism from Xujiazhuang and Ordovician Limeston and Technique of Prevention and Control on Condition of Deep Mining;
大采深条件下徐、奥灰突水机理及防治技术研究
2.
Application of the Water Source Direct Sealing-off Technique for Controlling Inrush of Water from Limestone of Ordovician Period in Zi60 Mining Area
堵源法治理奥灰突水技术在淄博矿区的应用
3.
Study on Ordovician Limestone Water Bursting Characteristics and Controlling Countermeasures in North China Coalmines
华北煤矿奥灰突水特点及防治对策研究
4.
RELATIVE STRATA IMPERMEABILITY IN ORDOVICIAN TOP AND RISK ASSESSMENT OF WATER INRUSH FROM COAL FLOOR IN XINYI COALFIELD
新驿煤田奥灰顶部相对隔水性及底板突水危险性评价
5.
Research on Comprehensive Control Technology for Limestone Water Inrush in Liangbei Coalmine
梁北煤矿寒灰突水综合防治技术研究
6.
Results Analysis of Detecting Ordovician Limestone Water in Fengfeng Coalfield
峰峰矿区奥陶系灰岩水水质检测结果分析
7.
Research on Active Water Grouting and Stemming Technology for Extra-Large Water-Rushing of Limestone;
特大型灰岩突水动水注浆封堵技术研究
8.
Grey State Synthesis Assessment Methed can be Used to Distinguish the Source of Water Inrush in Mine;
灰色局势综合评判法在突水水源判别中的应用
9.
Study on relative aguiclude existed in mid-Ordovician limestone top in North China coal field
华北型煤田中奥陶系灰岩顶部相对隔水段研究
10.
Numerical Simulation of Dewatering Test of Ordovician Limestone in Nantun Coalmine
南屯煤矿奥灰放水试验的数值模拟研究
11.
RESEARCH ON WATER-RESERVED MINING WITH HIGH WATER PRESSURE UNDER LARGE-SCALE THRUST-FAULT IN ORDOVICIAN KARST
高压奥灰水大型逆断层下盘煤层安全开采研究
12.
Comprehensive Assessment Method of Water Invasion Susceptibility from Coal Seam Floor Based on GIS Technology
基于GIS的煤层底板灰岩水突出危险性综合评价
13.
MECHANISM AND TREATMENT METHOD FOR POTENTIAL WATER LEAKAGE OF AQUIFER THROUGH BOREHOLES IN ORDOVICIAN LIMESTONE
奥陶系石灰岩含水层钻孔隐性漏水机制与防治方法
14.
Test of discharging water from the Ordovician limestone and numerical simulation of the second and fourth mine sections of the Yangcun Coal Mine
杨村煤矿二、四采区奥灰水放水试验及数值模拟分析
15.
Wet plaster, mortar, or cement.
灰泥湿灰泥、灰浆或水泥
16.
CENOZOIC EXTENSIONAL TECTONIC SYSTEM CONTROL OF THE UNDERGROUND WATER IN ORDOVICIAN LIMESTONE IN EAST WEIBEI, SHAANXI PROVINCE
陕西渭北东部区新生代伸展构造网络系统对奥灰水的控制作用
17.
The Hydrogeological Characteristics and the Influence of Ordovician Limestone on Mining Lower-Group Coal Seam in Yanzhou Coal Field;
兖州煤田奥灰水文地质特征及对下组煤开采的影响研究
18.
The Hydrogeological Characteristics and the Influence of Xujiazhuang-Limestone and Ordovician Limestone on Mining Lower-Group Coal in the Eastern Xinwen Coal Mine Area;
新汶矿区（东部）徐、奥灰水文地质特征及对下组煤开采的影响