从地层层序和植物群的特点上看，该煤组的地质时代为上新世晚期。
Judging from the stratigraphical sequence and the characteristics of this flora, the geological age of the said coal series is late Pliocene.
赣西北地区下二叠统王家铺煤组和上二叠统乐平煤组，形成于陆缘海的湖泊沼泽环境。
The Lower Permian Wangjiapu coal measures and the Upper Permian Leping coal measures in Northwest Jiangxi were formed in lacustrine environment in the epicontinental sea area.
中侏罗世早期是全区重要的成煤期，下窑坡组为湖泊—三角洲及沼泽相。
The early Middle Jurassic was an major coal-forming period in the region, when the Lower Yaopo Formation of lacustrine-deltaic and swamp facies was deposited.
通过煤质特征、 矿物学和元素的组相关性分析，概括了引起这两种类型煤常量和微量元素之间差弄的地质原因。
Through analyses of relativity on coal quality and mineralogy and elements, summarized geological reasons caused differences between norm al and trace elements in the two types of coal.
鄂尔多斯盆地东部地区太原组广泛发育的气源岩为生物灰岩、暗色泥岩和煤。
Biologic limestone, black mudstone and coal in Taiyuan group of lower Permian in east part of Ordos basin.
燃煤的贮存点选择，库存组成定额及煤的组堆等防损耗方法直接关系到电力生产的安全和效益。
Selection of storage places, the quota and loss prevention methods, such as piling of coal directly affect the safety and benefits of electricity power production.
云南禄劝中泥盆世海口组为以碎屑岩为主的滨海相含煤沉积，地层中产有丰富的鱼类、植物和双壳类化石；
The Haikou Formation of Middle Devonian in Luquan contains coal bearing sediments (predominantly clastic rocks)which are of littoral origin and yield abundant fishes, fossil plants and pelecypods.
根据马兰矿当前生产实际，合理调整了南翼下组煤采区开准系统设计，取得了较好的经济效益。
According to the current production reality, the design of winning pioneering and preparation system about the south lower group coal adjusted reasonably, the economic benefits is better.
在马头岭井田新发现一个滑覆构造和白垩系红层掩盖下的二叠系上统龙潭组含煤构造。
Permian Longtan Formation coal-bearing measures under detachment structure and Cretaceous red-bed was newly discovered in Matouling well field, Hunan province.
通过对可采煤层变化特征及富煤带、聚煤中心分布特征的分析，简述鸡西盆地城子河组煤层聚煤规律。
Through analysed workable coal seam change features, coal-rich zone, the distribution features of coal accumulation Center, describe the pattern of Chengzihe River Formation in Jixi coal Basin.
灵武煤田的中侏罗统延安组含煤岩系为一湖泊三角洲沉积。
The middle Jurassic series Yanan Formation of in Lingwu coalfield is a lacustrine deltaic deposit.
喷吹低变质度、高活性组份含量的煤可以获得较高的燃烧率和较大的喷煤量。
Higher combustibility and coal injection rate can be acquired in BF by using the coal with lower metamorphic degree and higher content of active matter.
结果表明：开采A组煤实际疏干水量与模型计算结果吻合程度较高。
The result express: the anastomotic degree of the practice dewatering quantity by mining a set coal and the model calculation result is higher.
邢台矿区属典型的华北岩溶型石炭—二叠系煤田，下组煤普遍受巨厚奥陶系灰岩强岩溶含水层的威胁。
The Xingtai mining area is a typical North China Permo-Carboniferous karstic type coalfield, its lower coal group is generally under threat from the thick Ordovician limestone strong karstic aquifer.
湘中涟源煤盆地早石炭世测水组、晚二叠世龙潭组煤系是中国东南诸省境内最重要的煤系，具有较大的生气、储气能力。
The Lower Carboniferous Ceshui and Upper Permian Longtan coal series are most important in Southeast China, and can both generate and bear gas greatly in the Lianyuan coal basin, Central Hunan, China.
通过重液离心分离法将兴隆庄煤分为镜质组、半镜质组、丝质组的富集物。
Concentrates of vitrinite, semi-vitrinite and fusinite are separated from Xinglong- zhuang coal by centrifugal method with heavy liquid.
研究表明：煤的孔隙特征主要取决于煤化程度、显微煤岩组份、矿物质含量和断裂破坏强度。
It has been found that the pore characteristics of lump coal mainly depend on degree of coalification, types of macerals, content of inorganic matters and intensity of fissuring.
提出了镜质组含量高的煤岩类型有较好的煤层气储集物性条件。
It is suggested that coal lithological types with high content vitrinites have better physical behavior conditions for coal seam gas accumulation.
鄂尔多斯盆地西缘灵武煤田延安组是在湖泊三角洲体系条件下形成的一套含煤岩系。
Zaoquan mining district of Lingwu coalfield is located in the west margin of Ordos Basin. Yan 'an Formation coal bearing measures formed in environment of lacustrine delta system.
针对以上情况，结合矿井下组煤的开拓对矿井通风系统进行了改造与优化。
According to the above information and combining with the development of coal seam underneath the mine shaft, the innovation and optimization of this system are engaged.
方法观察使用不同型煤家庭的两组儿童生物学指标的变化。
Methods To observe changes of biological indexes of two groups of children whose family use coal-biomass briquette and raw coal respectively.
单纯煤工尘肺组肺功能损害以阻塞型为主，复合煤工尘肺肺功能损害以混合型为主。
The impairment of lung function among the patients with single CWP showed obstructive type, while patients with complex DWP exhibited mixed type of damaged lung function.
建造防水闸门硐室，进行水平、区上下组煤隔离，是预防水患普遍采用的方法。
A construction of the water dam chamber for isolation between horizontal and up and down seam in a mining district is one of the comment water prevention and control methods.
研究了华北中部太原组含煤地层中火山事件层的岩石学识别标志和分布规律。
Much attention is paid to petrologic recognition marks and distribution regulation of volcanic event strata in coal bearing sequences of Taiyuan formation in the middle of North China.
多环芳烃是一组化学物质，他们是由未经完全燃烧的煤。油和气。垃圾。或是其它有机物质形成的。
PAHs are a group of chemicals that are formed the incomplete burning of coal, oil and gas, garbage, or other organic substances.
因此，可考虑用易于检测的镜质组随机反射率方法预测煤的燃烧率。
It can be considered that predicting the coal combustion efficiency index by using the coal vitrinite reflectivity index, because the latter is easy to be measured.
通过对该区含煤地层组合特征综合分析，认为其应属下侏罗统北票组含煤岩系。
Through comprehensive analysis of coal-bearing strata combinative characteristics in the area, figured out the strata belong to Lower Jurassic Beipiao Formation coal-bearing rock series.
根据特征燃烧温度等分析，煤中镜质组富集物的燃烧性能比丝质组富集物好。
According to characteristic temperatures in weight-loss curve in TGA, the combustion behavior of vitrinite-rich concentrate was found to be better than that of fusinite-rich concentrate.
用微观研究的方法，对兖州矿区太原组16号煤层的煤相进行了研究。
The Taiyuan Formation No. 16 coal seam in Yanzhou coal mining area is researched with the micro study method systematically.
用微观研究的方法，对兖州矿区太原组16号煤层的煤相进行了研究。
The Taiyuan Formation No. 16 coal seam in Yanzhou coal mining area is researched with the micro study method systematically.
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