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- Discusses on the Coal Bed Methane in Yilan Coal Field 依兰煤层气资源初探
- Yilan coal field 依兰煤田
- 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。
- Activated carbon with decolorization capability to caramel was prepared from Yilan coal by activation with water vapor. 以依兰煤为原料,采用水蒸气活化法,制备出了具有焦糖脱色力的活性炭。
- Yangquan City, the northeast corner of the Qinshui coal field. 阳泉市沁水煤田的东北角。
- As a feed coal,rational mixed coals of the upper -layer and mi ddle -layer coal in Yilan Coal Minera ls,and of lignite and the long frame coal are experimentally investigated. 分析了哈尔滨气化厂入炉煤质量尤其是灰分含量对气化率及其经济效益的影响,探讨了依兰煤矿上层煤、中层煤合理搭配,褐煤与长焰煤合理搭配作为入炉原料煤的方案,提出了相应的改进措施。
- 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。
- 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。
- 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。
- 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。
- Xu Yanchun, Geng Deyong, Guan Yunzhang, Xu Fakui.Property and application of thick &deep aquiferous unconsolidated layers in coal field [M]. 许延春，耿德庸，官云章，徐法奎.;深厚含水松散层的工程特性及其在矿区的应用[M]
- Xifeng county surrounding hundreds of billions of tons of proved coal field, with the construction of large-scale coal-based resources. 西峰周边县区已探明千亿吨级煤田，规模具备了建设大型煤炭基地的资源条件。
