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Changfang Guo, Zhen Yang, Shuai Chang, Ting Ren and Wenli Yao
Precise prediction of coal thickness is of the utmost importance in realizing intelligent and unmanned mining. As the channel wave is characterized by an easily recognizable waveform, a long propagation distance, and strong energy, it is widely used for ...
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Xicai Gao, Shuai Liu, Tengfei Ma, Cheng Zhao, Xichen Zhang, Huan Xia and Jianhui Yin
The main Jurassic coal seams of the Ordos Basin of northwest mining area have special hosting conditions and complex hydrogeological conditions, and the high-intensity coal mining of the coal seams is likely to cause groundwater loss and negative effects...
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Mehmet Ali Kallioglu, Ahmet Yilmaz, Ashutosh Sharma, Ahmed Mohamed, Dan Dobrota, Tabish Alam, Rohit Khargotra and Tej Singh
The current study depicts the effects of different insulation materials and fuel types on the cooling and heating performance of buildings situated in hot and dry, warm and humid, composite, and cold climatic conditions in India. Ten different locations ...
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Mohamed Lahdili, Fatima-Ezzahra El Abbassi, Siham Sakami and Ahmed Aamouche
The present study aims to investigate the effect of coal aggregates (CA) in the compressed earth bricks (CEBs) in order to reduce the footprint of the coal industry. For this purpose, three soils of the Marrakesh region were studied in terms of their che...
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Hiromi Kaji and Toru Takeshita
We conducted microstructural and microchemical analyses of deformation bands in a forearc fold belt consisting of the Eocene Urahoro Group located in northern Japan. In the study area, there was one flexure (or monocline) developed where deformation band...
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Xi Lin, Qingya Liu and Zhenyu Liu
Underground coal gasification (UCG) proceeds generally in the presence of an ash layer on coal (or char) surface. The ash layer increases the mass transfer resistance of O2 to the gasification surface, which may become the limiting step of who...
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Joschka Röth and Ralf Littke
The Cooper subregion within the central Eromanga Basin is the Swiss army knife among Australia?s sedimentary basins. In addition to important oil and gas resources, it hosts abundant coal bed methane, important groundwater resources, features suitable co...
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Xue Dai, Xiaoqin Li, Yuguang Zhang, Wenping Li, Xiangsheng Meng, Liangning Li and Yanbo Han
With the gradual increase of coal production capacity, the issue of water hazards in coal seam roofs is increasing in prominence. Accurate and effective prediction of the water content of the roof aquifer, based on limited hydrogeological data, is critic...
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Luis A. Spalletti, Carlos O. Limarino
Pág. 328 - 338
The end of the Permian period is marked by global warming and the biggest known mass extinction
on Earth. The crisis is commonly attributed to the formation of large igneous provinces because continental volcanic
emissions have the potential to control a...
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