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- undersea coal field 海底煤田
- 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。
- Yangquan City, the northeast corner of the Qinshui coal field. 阳泉市沁水煤田的东北角。
- 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 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。
- 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。
- 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。
- The northern Shaanxi, Yulin prefecture in particular, is very rich in quality coal resources, and the world-renowned Shenfu Coal Field is located in the region. 陕北(特别是榆林地区)煤炭资源非常丰富,世界著名神府煤田就位于该地区。
- In Northern China type coal field,Ordovician Karst fissured aquifer has hydrodynamic relation to the aquifer in coalbearing series by the vertical conductor(VC). 华北型煤田下伏的奥灰岩溶裂隙含水层,通过垂直导水构造与煤系含水层发生水力联系。
- The paper stated the water inrush model of shearing failure at the karst sink hole bottom in North China coal field and analyzed the water inrush mechanism of the karst sink hole. 从论述华北型煤田岩溶陷落柱顶底部剪切破坏突水模式及判据入手,分析了井下溶陷落柱突水机理。