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View article: Generative AI-enhanced Low-Altitude UAV-Mounted Stacked Intelligent Metasurfaces
Generative AI-enhanced Low-Altitude UAV-Mounted Stacked Intelligent Metasurfaces Open
Wireless communication systems face challenges in meeting the demand for higher data rates and reliable connectivity in complex environments. Stacked intelligent metasurfaces (SIMs) have emerged as a promising technology for advanced wave-…
View article: Impact of Tipping Paper Permeability on Cooling Agent Delivery Efficiency Using a Cell Membrane Simulation
Impact of Tipping Paper Permeability on Cooling Agent Delivery Efficiency Using a Cell Membrane Simulation Open
Tipping paper permeability plays a critical role in influencing the delivery and perception of cooling agents in cigarette smoke, which in turn affects product design and sensory quality. In this study, a CHO-TRPM8 cell system expressing t…
View article: The Dynamics of Soil Macropores and Hydraulic Conductivity as Influenced by the Fibrous and Tap Root Systems
The Dynamics of Soil Macropores and Hydraulic Conductivity as Influenced by the Fibrous and Tap Root Systems Open
Herbaceous plants influence soil hydraulic conductivity by changing soil macropore structure through their root systems, but the effects of different root types on macropore structure have yet to be clarified. In this study, soil column ex…
View article: Spatiotemporal Variations in Fingerprinting Sediment Sources in a Watershed Disturbed by Construction
Spatiotemporal Variations in Fingerprinting Sediment Sources in a Watershed Disturbed by Construction Open
Engineering construction disturbs the Earth’s surface and exacerbates soil erosion, resulting in sediment contributions at the watershed scale, the spatiotemporal variation of which remains to be clarified. Based on a typically disturbed c…
View article: Asymmetrical correlation test for constructing super Bayesian influence networks for financial intermarket influence analysis
Asymmetrical correlation test for constructing super Bayesian influence networks for financial intermarket influence analysis Open
This paper presents a computational procedure for asymmetrical correlation test as the first step for constructing super Bayesian influence networks with an application in financial intermarket influence analysis. We start with a data set …
View article: Measuring investor sentiment of China’s growth enterprises market with ERNIE
Measuring investor sentiment of China’s growth enterprises market with ERNIE Open
Investors will have different trading emotions in the process of stock market trading, which often affects investors' judgment on the stock market, which makes the issue of investor sentiment in the stock market particularly important. Com…
View article: Computational Intelligence Prediction Model Integrating Empirical Mode Decomposition, Principal Component Analysis, and Weighted k -Nearest Neighbor
Computational Intelligence Prediction Model Integrating Empirical Mode Decomposition, Principal Component Analysis, and Weighted k -Nearest Neighbor Open
On the basis of machine leaning, suitable algorithms can make advanced time series analysis. This paper proposes a complex k-nearest neighbor (KNN) model for predicting financial time series. This model uses a complex feature extraction pr…
View article: Analysis of situ elemental concentration log data for lithology and mineralogy exploration— A case study
Analysis of situ elemental concentration log data for lithology and mineralogy exploration— A case study Open
Metamorphic rocks are diverse with more compositions, structures, and textures that are complex. Rock type identification and prediction from metamorphic rocks using well log data are difficult tasks. This study shows the use of cross plot…
View article: Boundedness and Asymptotic Behavior to a Chemotaxis System with Indirect Signal Generation and Singular Sensitivity
Boundedness and Asymptotic Behavior to a Chemotaxis System with Indirect Signal Generation and Singular Sensitivity Open
In this paper, we consider the following indirect signal generation and singular sensitivity n t = Δ n + χ ∇ ⋅ n / φ c ∇ c , x ∈ Ω , t > 0 , c t = Δ c − c + w , x ∈ Ω , t > 0 , w t = Δ w − w …
View article: Intelligent Portfolio Theory and Application in Stock Investment with Multi-Factor Models and Trend Following Trading Strategies
Intelligent Portfolio Theory and Application in Stock Investment with Multi-Factor Models and Trend Following Trading Strategies Open
This paper documents a computational form of the Intelligent Portfolio Theory for investing and trading in stock markets with two multi-factor models and two trend following trading strategies. The Intelligent Portfolio Theory for stock in…
View article: Reservoir characteristics and logging evaluation of gas−bearing mudstone in the south of North China Plain
Reservoir characteristics and logging evaluation of gas−bearing mudstone in the south of North China Plain Open
Mudstone is very similar to shale except it lacks sheet bedding. Shale gas is widely concerned and successfully exploited commercially in the world, while gas-bearing mudstone is rarely paid attention. To evaluate the reservoir characteris…
View article: A Method for Improving Permeability Accuracy of Tight Sandstone Gas Reservoirs Based on Core Data and NMR Logs
A Method for Improving Permeability Accuracy of Tight Sandstone Gas Reservoirs Based on Core Data and NMR Logs Open
Accurate calculation of the permeability of tight sandstone gas reservoirs has been a challenge, due to the enhanced effect of pore structure. Reservoir permeability with the same porosity and different pore structure often varies greatly.…
View article: A Coupled Model of Two-Phase Fluid Flow and Heat Transfer to Transient Temperature Distribution and Seepage Characteristics for Water-Flooding Production Well with Multiple Pay Zones
A Coupled Model of Two-Phase Fluid Flow and Heat Transfer to Transient Temperature Distribution and Seepage Characteristics for Water-Flooding Production Well with Multiple Pay Zones Open
Temperature is one of the most prominent factors affecting production operations, predicting the accurate wellbore-formation temperature in a water-flooding production well is of great importance for multiple applications. In this paper, a…
View article: Study on array laterolog response simulation and mud-filtrate invasion correction
Study on array laterolog response simulation and mud-filtrate invasion correction Open
It is a complicated task to evaluate the reservoirs influenced by mud-filtrate invasion. This paper presents the numerical simulation results of array laterolog response and the approach for mud-filtrate invasion correction. Based on the d…
View article: Application of conventional propagation resistivity logging for formation boundary identification in geosteering
Application of conventional propagation resistivity logging for formation boundary identification in geosteering Open
Previous studies indicate that the polarization horn effect of conventional propagation resistivity (CPR) logs will occur once the logging tool is close to or passes through the boundary between high conductivity contrast layers with a sma…
View article: Support vector machine as an alternative method for lithology classification of crystalline rocks
Support vector machine as an alternative method for lithology classification of crystalline rocks Open
With the expansion of machine learning algorithms, automatic lithology classification that uses well logging data is becoming significant in formation evaluation and reservoir characterization. In fact, the complicated composition and stru…
View article: Performance of a modified particle swarm optimization in determining the thickness of the liquid layer outside a well casing pipe
Performance of a modified particle swarm optimization in determining the thickness of the liquid layer outside a well casing pipe Open
The liquid layer outside a well casing develops from flaws along the cement–casing interface, which have been identified as leakage pathways in wellbores. The thickness of the liquid layer is one of the important parameters for determining…
View article: Crosswell electromagnetic modeling from impulsive source: Optimization strategy for dispersion suppression in convolutional perfectly matched layer
Crosswell electromagnetic modeling from impulsive source: Optimization strategy for dispersion suppression in convolutional perfectly matched layer Open
This study applied the finite-difference time-domain (FDTD) method to forward modeling of the low-frequency crosswell electromagnetic (EM) method. Specifically, we implemented impulse sources and convolutional perfectly matched layer (CPML…
View article: The classification in metamorphic rocks using modified fuzzy cluster analysis from geophysical log data: evidence from Chinese Continental Scientific Drilling Main Hole
The classification in metamorphic rocks using modified fuzzy cluster analysis from geophysical log data: evidence from Chinese Continental Scientific Drilling Main Hole Open
Lithology is one of the most important data in evaluating reservoir, and is mainly carried out by cores recovery in laboratory which is very expensive, and its interpretation is time consuming. Accurate identification of lithology is funda…