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1)  Ordovician limestone
奥灰
1.
A large Ordovician limestone lagged water bursting happened after 2006 No.
2006年曹窑东井27080工作面突然发生大型奥灰滞后突水,最大涌水量达到1 693m3/h,通过矿井水文地质条件分析,曹窑东井及相邻西部四矿大部分区域已处于"突水危险区"。
2.
Based on the systematical collection of the hydrogeological data in the exploration stages and operative mines of the Yanzhou Mining Area,the hydrogeological characteristics of the Ordovician Limestone aquifer at the floor of the lower group of coal seams were analyzed,and water abundance of the Ordovician Limestone was districted to several subsections according to the unit water inflow rate.
在系统收集兖州矿区各勘探阶段及各生产矿井水文地质资料的基础上,对兖州矿区下组煤底板奥灰含水层的水文地质特征进行了分析。
3.
The depth of top boundary of Ordovician limestone and the.
在地面上直接解译奥灰顶界面深度、奥灰风化壳裂隙岩溶发育程度,判译地下油气有无等方面,无疑这将会大大降低对油气勘探投资的风险系数。
2)  Ordovician limestone karst
奥灰岩溶
3)  Ordovician limestone water irruption
奥灰溃水
4)  Ordovician limestone water
奥灰水
1.
Influence of Ordovician limestone water to mining No.15 seam in Yangquan mine;
阳泉矿区奥灰水对15号煤层开采影响的预计分析
2.
Safety Control and Utilization of Ordovician Limestone Water in Mine;
矿井奥灰水安全防治与利用
3.
In order to prevent and control the Ordovician limestone water in Yanzhou Coalfield,according to the available geological information,mining technological conditions and supplement exploration information,the paper had a study on the hydrological condition of the Ordovician limestone in Yanzhou Coalfield and specially the watery.
为了对兖州煤田奥灰水进行防治,根据已有地质资料、开采技术条件及补充勘探资料,对兖州煤田奥灰的水文地质条件尤其是富水性进行分析,并进行富水性分区,探讨该井田其富水性规律。
5)  ordovician water
奥灰水
1.
Observeing and researching the ordovician water in Guo er-zhuang well;
郭二庄井田奥灰水的观测与研究
2.
The Ordovician water has great effect on the mining of the lower coal measures in North China at present.
目前 ,奥灰水已对华北地区下组煤的开采构成严重威胁 ,文章以地震波各向异性理论为基础 ,通过具体实例 ,详细介绍了确定矿井突水通道的试验研究过程 ,为矿井水的有效防治提供了新的手段。
6)  Ordovician Karst water inrush
奥灰突水
1.
Analysis on no fault large Ordovician Karst water inrush occurred in 27080 coal mining face of Caoyao East Mine;
曹窑东井27080工作面非断层大型奥灰突水分析
补充资料:奥僻
1.幽隐偏僻。 2.古奥冷僻。
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参考山西扑克3手机版走势图_山西扑克3走势图表_花少钱中大奖-条