Results 61 to 70 of about 862 (178)

Geological characteristics and resource potential of deep coalbed methane in Guizhou

Meitan xuebao
Accelerating the exploration and development of deep ( > 1 000 m)coalbed methane (CBM) resources is an important way for the large-scale development of CBM and an important development direction in recent years. Guizhou Province is rich in CBM resources,
Zhaobiao YANG, Wei GAO, Yong QIN, Mengjiang ZHANG, Cunlei LI, Zhihua YAN, Yuhui LIANG, Benju LU, Yilin CHEN, Caifang WU, Jie CHEN, Geng LI, Dexiu WEN   +12 more
doaj   +1 more source

Trace element migration in groundwater in sandstone aquifers in the Jurassic coalfields: A case study of the Guojiahe Coal Mine

Meitian dizhi yu kantan
BackgroundThe Ordos Basin, a vital energy hub in China, contains considerable coal reserves. However, the environmental issues arising from coal mining warrant attention, especially given the fragile ecosystems of the Jurassic coalfields.
Longqing SHI, Xingyue QU, Hao CHENG
doaj   +1 more source

Evaluation of hepatic and renal functional changes in patients undergoing laparoscopic cholecystectomy

Asian Journal of Medical Sciences
Background: In this era of laparoscopic surgery, with the use of carbon dioxide insufflation in creating pneumoperitoneum for ease of trocar insertion and visualization of anatomy, it comes certain systemic changes in the patient due to the compression ...
Snehasish Nath , Suniti Kumar Hajra , Debayan Chowdhury   +2 more
doaj   +1 more source

Maceral Composition of Coals From Carboniferous Coalfields of the East European Platform

Georesursy
The Lower and Middle Carboniferous deposits of the European part of Russia are coal-bearing in many regions, so their study and exploration began in 19th century.
N. V. Pronina, I. E. Stoukalova, E. V. Saveleva, S. G. Panishev   +3 more
doaj   +1 more source

Hydrochemical characterization and health risk assessment of shallow groundwater in a northern coalfield of Anhui Province, China

Frontiers in Earth Science
In a global context, the hydrochemical characteristics of shallow groundwater in coalfields exhibit high degrees of diversity and complexity that are rooted in the intricate interplay of geological variations, diverse climatic conditions, and extensive ...
Jiageng Song, Xiang Zhou
doaj   +1 more source

CO2 storage capacity of coal seams: a screening and geological review of carboniferous coal formations of Kazakhstan

International Journal of Coal Science & Technology
The increasing atmospheric CO2 concentration linked to human activity results in global warming by the greenhouse effect. This anthropogenic CO2 may be sequestrated into geological formations, e.g., porous basalts, saline aquifers, depleted oil or gas ...
Mohammad Asif, Medet Junussov, Sotirios Longinos, Randy Hazlett, Sandugash Satibekova   +4 more
doaj   +1 more source

Study on characteristics of drilling water in deeply buried Jurassic coal seam with poor sealing borehole in the border area of inner Mongolia and Shaanxi

Meikuang Anquan
Poor sealing boreholes are the potential water-filling channels that induce mine water inrush accidents, and are the main hidden disaster factors in the Jurassic coalfields in the border area of Inner Mongolia and Shaanxi.
Wei QIN, Qirui DENG, Xiang DING, Jianfeng GAO, Xiaolang HE, Zhuochen JI, Fei LIU, Zhonghui NAN, Lina TAN   +8 more
doaj   +1 more source

Hydrochemical characteristics and genetic mechanisms of coal mine water in the border area of Inner Mongolia and Shaanxi

Meikuang Anquan
The high-salinity mine water generated during coal mining in the border area of Inner Mongolia and Shaanxi poses a significant challenge to regional water resource development and utilization as well as ecological environment protection. Therefore, it is
Jingfan HUA, Kai SONG, Li ZHANG, Zhonghong DU, Ge CHEN, Guohan SONG, Weixiao CHEN, Heng LI, Xiangyu XU   +8 more
doaj   +1 more source

Geology of the Ashford Coalfield

Journal and proceedings of the Royal Society of New South Wales, 1947
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Formation mechanisms and modes of karst collapse columns based on multi-information exploration technology: a case study of Fengpei coalfield, North China

Geoenvironmental Disasters
Backgrounds Karst collapse columns (KCCs) are widely developed geological structures in the North China Coalfields and represent one of the primary factors contributing to mine water inrush hazards.
Tianci Chen, Zhimin Xu, Ge Chen, Yanchen Sun, Shijie Xiong, Yajun Sun   +5 more
doaj   +1 more source