您要查找的是不是:
- It provides an important model for Jiaozuo coal mine and North China coal field. 为焦作矿区及华北型煤田高产高效矿井建设提供参考模式。
- The sthone charcoal stratum and permian system which contain coal, is in large area of Jiaozuo coal field, and coal seams comparatively stable and large in reseves. 焦作煤田有大面积的石炭二叠系含煤地层分布,并且含煤层数多,煤层较为稳定,储量大;
- Jiaozuo coal field 焦作煤田
- Practice and Innovation on Management Mode of "Set Two Targets" in Jiaozuo Coal Group Co. Ltd. 焦煤集团"双认指标"管理模式的创新与实践。
- The ash may be from the north east of theDatong coal field. 火山灰可能来自大同煤田东北方向。
- Yangquan City, the northeast corner of the Qinshui coal field. 阳泉市沁水煤田的东北角。
- Through the research of high gas and multi-water-bursting hazards prevention techniques in Jiaozuo coal mine regions, the mining coal method of caving working face is found. 通过对焦作矿区高瓦斯多水害防治技术研究,找出适合该条件下的炮采放顶煤模式的采煤方法。
- Through the research of high gas and multi-water-bursting hazards prevention techniques in Jiaozuo coal mine regions,the mining coal method of caving working face is found. 通过对焦作矿区高瓦斯多水害防治技术研究,找出适合该条件下的炮采放顶煤模式的采煤方法。
- Hegang coal field, of the type of a (inland) faulted basin far from the sea, was formed in the early Neo-Jurassic age about 140 million years ago. 鹤岗煤田约形成于一亿四千多万年前的晚侏罗世初期,是远海内陆断陷盆地型煤田。
- The geology survey of Hegang coal field are introduced and some obvious characters of workable seam are compared. 介绍了鹤岗煤田的地质概况,并对主要可采煤层的一些比较明显的特征进行了对比。
- The exploration result basically accords with the geologic profile of coal field bores and bore validating of goaf. 探测结果与煤田钻孔地质剖面图、采空区钻孔验证基本吻合。
- Studies optimization problems which a urban coal field location layout and the coal allocates and dispatches. 摘要研究一个城市煤场布局与煤炭配送的最优化问题。
- Pass to drill a hole the data,inquiry into the regulation that the intrusion of boli coal field dragon lake district. 通过钻孔资料,探讨勃利煤田龙湖区侵入体的规律。
- Aimed at some technological questions caused in the drilling of complex strata in coal field, especially in cenozoic strata carried out discussion. 针对煤田地层钻进中钻遇复杂地层特别是新生界地层时涉及的几点技术问题进行了探讨。
- Upper Jurassic red bed cover directly on coal measure strata of Permian and Carboniferous system in Yanzhou coal field . 兖州煤田的上侏罗统红层直接覆盖于二叠、石炭系煤系地层之上。
- The southernmost of the four main islands of Japan contains coal fields. 日本四个主要的岛屿中最南的一个拥有煤藏。
- The dearth of water supply in Sheng Dong Coal Field Mineral Area constrained the development of Mineral Area,especially in dry season. 神东矿区水的矛盾比较突出,在荒水季节更是如此,已经开始制约矿区发展。
- Investigations have been done on water characteristics of sandy soil in Bulianta coal mine of the Shenfu-Dongsheng coal field. 摘要随着西部大开发政策的实施,在干旱、半干旱地区的大规模煤炭开采活动对环境造成的影响已日渐凸现,成为亟待解决的问题。
- Application of equal strength anchor rod at Jiaozuo Coal Mine 等强锚杆在焦作矿区的应用
- In Bijie Coal Field, coal beds are many and steady, coal quality is good and resources are rich, associated with highquality pyrite. 毕节煤田煤层多而稳定,煤质好,资源量丰富,并伴生有丰富的硫铁矿,开采技术条件简单,潜在经济价值可观。