17 Result(s)
within
Wenjie Sun
Earth Sciences
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Article
Open AccessCorrection: Qualitative assessment of optimizing the well spacings based on the economic analysis
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Article
Open AccessQualitative assessment of optimizing the well spacings based on the economic analysis
The design of well spacing significantly influences the sustainability and economic benefit of geothermal energy extraction. However, most studies have predominantly employed heat production-related parameters...
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Article
Climatology of equatorial and low-latitude F region kilometer-scale irregularities over the meridian circle around 120°E/60°W
The occurrences of equatorial plasma bubble (EPB) irregularities over Asian and American sectors often show a different behavior due to significantly different geometries of the geomagnetic field. By using the...
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Article
Enhanced phosphorus removal and recovery by metallic nanoparticles-modified biochar
Phosphorous (P) is a major water and wastewater pollutant and at the same time an essential crop nutrient facing a global shortage. Technologies that can remove and recover P from wastewater are pressingly nee...
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Article
Distribution of carbonate rocks and variation analysis of karst water resources in China
Carbonate strata are widely distributed in China, which can be found in more than 30 provinces and cities, covering about 1/3 of the country’s territorial area. Affected by different geological and climatic co...
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Spatial Relationships of Water Resources with Energy Consumption at Coal Mining Operations in China
The spatial characterization and regional differences of water use in China’s coal mines were investigated based on a high spatial resolution mine site dataset, and their spatial synergic relationships with en...
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Study on the characteristics of karst development in Bei**g
The distribution area of carbonate rocks in Bei**g is about 5071.44 km2, accounting for 30.19% of the land area in Bei**g. The distribution areas of bare, covered and buried carbonate rocks are 2862.21 km2, 401...
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Article
Hydrogeological Classification and Water Inrush Accidents in China’s Coal Mines
In 2012, China’s State Administration of Coal Mine Safety conducted a reconnaissance and statistical analysis to better understand and characterize water inrush accidents in China’s coal mines. Data collected ...
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Article
Assessment of groundwater inrush from underlying aquifers in Tunbai coal mine, Shanxi province, China
Groundwater water inrush into mines from aquifers underlying coal seams is often disastrous. Multiple factors control the groundwater inrush processes. For coal seams #10 and #11, ten main controlling factors ...
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Evaluation of Water Inrush Vulnerability from Aquifers Overlying Coal Seams in the Menkeqing Coal Mine, China
The vulnerability of the C2-1 and C3-1 coal seams to water inrush from overlying aquifers was evaluated for a portion of the Menkeqing coal mine. Geological and hydrogeological data were used to develop a conc...
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Article
Quantitative evaluation and prediction of water inrush vulnerability from aquifers overlying coal seams in Donghuantuo Coal Mine, China
The water inrush vulnerability from overlying aquifers is evaluated for a coal seam in the Donghuantuo Coal Mine, China. The water inrush vulnerability is based on superposition of two zoning maps—water abunda...
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Article
Modified Method for Estimating Geothermal Resources in Oil and Gas Reservoirs
Increasing attention has been paid to the power generated by utilizing hot fluids that are co-produced from oil and gas reservoirs, as well as other geothermal resources. It is thus essential to evaluate the g...
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Article
Groundwater Risk Assessment of the Third Aquifer in Tian** City, China
More than 70 % of Tian** city’s water supply comes from groundwater. As water demand increases, this reliance on groundwater has caused serious geological problems, such as seawater intrusion. The third aquif...
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Optimization of Mine Drainage Capacity Using FEFLOW for the No. 14 Coal Seam of China’s Linnancang Coal Mine
The hydrogeology of China’s Linnancang coal mine is very complicated. The aquifuge that lies between the no. 14 coal seam and the underlying K3 limestone aquifer is less than 20 m thick and the mine contains 1...
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Avoiding Coal–Water Conflicts During the Development of China’s Large Coal-Producing Regions
Coal and water resources are important and fundamental to the sustainable development of China’s national economy and society. However, coal–water conflicts are beginning to restrict coal production. In order ...
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Article
Patterns and cellular mechanisms of arm regeneration in adult starfish Asterias rollestoni bell
To understand the mechanisms of starfish regeneration, the arms of adult starfish Asterias rollestoni Bell were amputated and their regeneration patterns and cellular mechanisms were studied. It was found that ce...
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Article
Effects of several immunostimulants on phenoloxidase and hemocytes of the crab Charybdis japonica
To investigate the stimulating effects of immunostimulants on the autogenous immunocompetence of crabs and the possible mechanisms involved, the immunostimulating effects of β-1,3-glucan, lipopolysaccharide (L...
