537 Result(s)
within
**ao** Xu
Earth Sciences
Environmental Science and Engineering
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Article
Impact of Ultra-Low Emission Technology of Thermal Power Plants on Air Quality in China
China is confronted with a severe air pollution challenge, wherein thermal power generation plays a significant role. In recent years, substantial efforts have been made in ultra-low emission retrofitting of c...
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Article
Permeability prediction of soft clay based on digital models reconstructed by an improved Markov chain Monte Carlo method
3D digital models can facilitate the understanding of micro- and nanoscale pore structures and enhance the permeability prediction accuracy of geological materials. However, the reconstruction of digital model...
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Article
Source Apportionment of Carbonaceous Aerosols during PM2.5 Pollution Episodes in **’an, Northwestern China: Estimation of the Potential of Carbon Emission Reduction by Rural Household Energy Substitution
The carbonaceous aerosol source apportionment is crucial for targeted prevention and control of PM2.5 in China. The 24 h integrated PM2.5 samples were collected from **’an, China during pollution events in 2015 i...
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Article
Identification of heavy metal stress in rice using spatial clustering based on time series of crop spectral information
Rice is susceptible to various types of stresses during its growth cycle, including heavy metals, drought, nutritional stress, pests, and diseases, resulting in inaccurately distinguishing heavy metal stress f...
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Article
Assessing vegetation dynamics and response patterns to climate change and human activities using advanced analytical tools
Attributing vegetation changes and assessment of its temporal response patterns can provide valuable information for natural resource management, especially in fragile ecosystems. Hence, this study investigate...
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Article
Study on the evolution of the dielectric properties of artificially frozen sand under temperature variation
Detecting and determining the development of the frozen wall is a vital component of artificial freezing engineering. The electromagnetic parameters of frozen soil play a critical role in the fast and accurate...
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Article
Some correlations between the river regime and land cover changes caused by climate change in the Selenge River Basin, Mongolia
The Selenge River Basin is one of the major tributaries of Lake Baikal, one of the world's freshwater resources, and is a sensitive region to climate change, and is also an important China–Mongolia–Russia econ...
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Numerical simulation of wedge failure of rock slopes using three-dimensional discontinuous deformation analysis
As one of the most common failure forms of discontinuity-controlled rock slopes, wedge failure is likely to occur in a wide range of geologic and geometric conditions. In this study, the wedge failure of rock ...
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Article
Spatial evolution mechanism of coal structure damage and gas permeability under water-based ultrasonic treatment
This study investigates the spatial damage effect of water-based ultrasonic on the structure and the permeability of high-grade coal. Herein, anthracite from No.10 coal seam of Bangou Coal Mine in Shanxi Provi...
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Article
Study on physico‑mechanical characterization of rock-like material with bedding planes under coupled static and dynamic cyclic loadings
Underground rocks are often subjected to seismic waves and blasting excavation, which cause significant changes in physical and mechanical properties. Due to the bedding plane, the mechanical properties of lay...
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Article
Excavation-induced damage zoning of the underground powerhouse with high geostress based on multiple monitoring methods
The primary factor restricting the construction of deeply buried underground projects is the imprecise identification of the surrounding rock damage zone. This study examines the Shuangjiangkou underground pow...
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Article
Assessing riverbank collapse with lateral displacement of shoreline for ecologically friendly erosion-resistant solutions
Many alluvial rivers worldwide are plagued with significant geomorphology changes due to severe riverbank collapse. This study developed an approach for quantifying riverbank erosion and outlined a structure f...
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Article
A SOM-LSTM combined model for groundwater level prediction in karst critical zone aquifers considering connectivity characteristics
Accurate groundwater level (GWL) prediction is crucial for the management and sustainable utilization of groundwater resources. This study proposes a method, considering spatial–temporal correlation among geog...
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Article
Mechanisms of climate change impacts on vegetation and prediction of changes on the Loess Plateau, China
Monitoring and forecasting the spatiotemporal dynamics of vegetation across the Loess Plateau emerge as critical endeavors for environmental conservation, resource management, and strategic decision-making pro...
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Article
Synergizing multiple machine learning techniques and remote sensing for advanced landslide susceptibility assessment: a case study in the Three Gorges Reservoir Area
This study conducts an in-depth exploration of the efficacy of deep learning and ensemble learning techniques for slope-unit-based landslide susceptibility prediction within the context of the Three Gorges Res...
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Article
Open AccessGangue grouting filling in subsequent space of coal green mining: methodology and case study
Underground backfilling stands out as a crucial technological strategy for the eco-friendly and effective management of solid waste in mining operations. However, existing backfilling techniques have led to in...
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Article
Theoretical study of bearing capacity calculation model for multi-segment confined concrete arch and design method in underground engineering
With the continuous development of underground engineering to the deep, complex geologic conditions such as high stress, extremely soft rock and fault fracture zone usually occurred in the construction process...
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Article
A VMD-DES-TSAM-LSTM-based interpretability multi-step prediction approach for landslide displacement
Obtaining reliable and high-accuracy prediction results of displacement trends in the long term is crucial for mitigating geohazards. Deep learning can capture dynamic and nonlinear characteristics in long-ter...
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Article
Experimental study on nonlinear flow behavior in smooth and rough sandstone fractures subjected to various injection pressure and normal compressive stress
The presence of fracture roughness and the occurrence of nonlinear flow complicate the fracture flow process. In the present study, water flow tests were conducted to comparatively study the flow behavior in s...
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Article
Quantitative analysis of the effects of climate change and human activities on the runoff in the Shiyang River Basin
Linear regression, inverse distance weighting analyses, and Budyko’s hypothesis were applied to the Shiyang River Basin. The spatial and temporal characteristics of runoff from the main stream and tributaries ...
