1,031 Result(s)
within
**n Zhen
Earth Sciences
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Article
Modeling of Coalbed Gas Pressure/Content Identification Using Image Analysis
Coalbed gas pressure and content are fundamental parameters for mine gas recovery and disaster prevention. In response to the lengthy measurement cycles and low accuracy of existing models, this research propo...
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Article
Open AccessScaling Laws Behind Penetrative Turbulence: History and Perspectives
An unstably stratified flow entering into a stably stratified flow is referred to as penetrative convection, which is crucial to many physical processes and has been thought of as a key factor for extreme weat...
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Article
Real-Time Rendering Closure Method for Continuous Cutting of Multilevel TIN Geological Models
In the field of geotechnical engineering, creating and successfully cutting a three-dimensional geological model is a crucial task for digital and visual analysis. However, using commonly available software fo...
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Article
Bivariate attribution of the compound hot and dry summer of 2022 on the Tibetan Plateau
The extraordinarily high temperatures experienced during the summer of 2022 on the Tibetan Plateau (TP) demand attention when compared with its typical climatic conditions. The absence of precipitation alongsi...
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Article
Stability and accuracy of central difference method for real-time dynamic substructure testing considering mass participation coefficient
For real-time dynamic substructure testing (RTDST), the influence of the inertia force of fluid specimens on the stability and accuracy of the integration algorithms has never been investigated. Therefore, thi...
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Regional Water Environmental Carrying Capacity: Changing Trends and Direction, Obstacle Factors, and Implications
Assessing regional water environment carrying capacity (WECC) is crucial for measuring sustainable development and guiding water resource management policies. However, existing methods often overlook the dynam...
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Article
Cassiterite and monazite U-Pb dating, and cassiterite geochemistry of the Shiganghe and Tiechang tin deposits in the Baoshan district (NW Yunnan), SW China
The Baoshan district in the southwestern Sanjiang Tethyan domain is an important part of the worldclass Southeast Asian tin (Sn) belt. However, the timing and controlling factors of Sn mineralization are poorl...
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Open AccessStudy on seismic characterization and distribution characteristics of effective reservoirs of granite weathering crust in Dongying Sag, Bohai Bay Basin
To solve the problem of low resolution of seismic data from granite weathering crust and difficulty in predicting effective reservoir distribution. Based on the research idea of combining geology and seismolog...
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Estimation of groundwater recharge from precipitation by using tritium and chloride concentrations in the Chinese loess unsaturated zone in Inner Mongolia, China
Groundwater recharge estimation is important for groundwater resource management especially in arid and semiarid areas, such as Loess Plateau, China. Here, loess deposits form regionally important aquifers, ty...
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Article
Study on Parallel Bond and Smooth Joint Dual Model Parameter Calibration of Mechanical Properties of Shale Under Pressure
Employing a rational numerical model to characterize the compressive mechanical properties of shale is highly significant for large-scale shale-related engineering demonstrations. By analyzing the effects of t...
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Article
Estimation of Extreme Value Distribution and Probability of Minor Failures in Rockfill Dam Response to Non-Stationary Seismic Excitation
To address the problem of the small failure probability of highly reliable structures such as rockfill dams, marine platforms and super high-rise buildings, in this paper, a method to estimate the extreme valu...
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Article
Analysis of Hydraulic Permeability Enhancement Effect Based on an Experimental System of Highly Pressurized Water Invasion and Gas Seepage
To study the influence of various factors on coal permeability in the process of coal seam water injection and the relationship between water injection parameters, an experimental system of highly pressurized ...
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Article
Species composition and distribution of common Crassostrea and Saccostrea oysters along the coast of Hainan Island
Oyster cultivation is a pivotal economic industry in Hainan Island, South China, where a high oyster species diversity is shown. However, the specific distribution and biodiversity of oyster resources in the i...
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Article
Constructing Priors for Geophysical Inversions Constrained by Surface and Borehole Geochemistry
Prior model construction is a fundamental component in geophysical inversion, especially Bayesian inversion. The prior model, usually derived from available geological information, can reduce the uncertainty o...
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Article
Experimental and finite element analyses of seismic behavior of pile-reinforced soft clayey slope
In this study, a series of shaking table model tests and three-dimensional (3D) finite element (FE) analyses were performed to mainly investigate the seismic deformations of clayey slopes reinforced by differe...
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Article
Planning for service space of medium- and long-term shelters based on multi-agent evacuation simulation
The evacuation process after the earthquake is affected by different shelters, which can easily lead to disorderly evacuation and prolong the overall evacuation time. Therefore, the scientific planning and des...
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Article
Potassium isotopic evidence for recycling of surface water into the mantle transition zone
Global water cycling involves interactions between Earth’s interior and its surface environment. Geophysical and mineral physics studies have suggested that the mantle transition zone is hydrous, at least loca...
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Article
Effects of Coal Thickness on the Fractal Dimension of Gas Migration Channels: Laboratory and Field Study of a Gassy Coal Mine
Coal mining leads directly to changes in geophysical rock formations and upsets the equilibrium of gas concentrations in gas–liquid channels, which can cause mining disasters. In this study, based on the fract...
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Article
Track-Pattern-Based Characteristics of Extratropical Transitioning Tropical Cyclones in the Western North Pacific
Based on the Regional Specialized Meteorological Center (RSMC) Tokyo-Typhoon Center best-track data and the NCEP-NCAR reanalysis dataset, extratropical transitioning (ET) tropical cyclones (ETCs) over the west...
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Low Resource Chinese Geological Text Named Entity Recognition Based on Prompt Learning
Geological reports are a significant accomplishment for geologists involved in geological investigations and scientific research as they contain rich data and textual information. With the rapid development of...
