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- 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。
- 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 coal reserve of Gondwana coal fields in India accounts for 99%of that in this country. 冈瓦纳系煤田占印度国家煤炭储量的99%25。
- Using seismic inversion technique to solve lithological problems in coal fields is widely used in seismic exploration. 以开滦集团范各庄矿某采区岩性勘探为例,介绍利用地震反演技术解决煤层顶底板岩性问题。
- The coal reserve of Gondwana coal fields in India accounts for 99% of that in this country. 冈瓦纳系煤田占印度国家煤炭储量的99%25。
- 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。
- It points out that platform-type coalfields exist in the area and discusess the reworking of the coal fields by diwa tectonism. 指出本区存在地台型煤田;并探讨了地洼构造对煤田的改造过程。
- 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。
- 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。
- The existence of unrecorded and abandoned coal fields in Northern Taiwan enhances the complexities and difficulties in major construction project in these areas. 台湾煤层主要分布在北部区域第三纪中新世地层,由于目前许多重大工程建设规画经过煤层分布地区,产生特殊大地工程问题;
- 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。
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