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761
Altitudinal patterns of bacterial communities across soil layers in the alpine meadows of the Qinghai-Tibet Plateau
Published 2025-02-01“…Microorganisms in the soils of alpine meadows on the Qinghai-Tibet Plateau are pivotal in sustaining ecosystem functionality and stability. The community structure and functional composition of these microbes exhibit pronounced altitudinal variations; however, specific distribution patterns across different soil layers remain inadequately elucidated within alpine meadow ecosystems. …”
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762
Trajectory Based Prioritized Double Experience Buffer for Sample-Efficient Policy Optimization
Published 2021-01-01“…However, policy gradient methods commonly involve function approximation and work in an on-policy fashion, which leads to high variance and low sample efficiency. …”
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763
Effect Invitro Activation on the Spermiograms of ligozoospermic Patients
Published 2016-04-01“… Objective: The objective of this study was to improve certain sperm function parameters in vitro of oligozoospermic patients and other mild male factors using sperm activation techniques such as swim-up and density gradient. …”
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764
Three-Dimensional Reconstruction of Zebra Crossings in Vehicle-Mounted LiDAR Point Clouds
Published 2024-10-01“…Finally, a matching template is selected, and an energy function composed of the average intensity of the point cloud within the template, the intensity information entropy, and the intensity gradient at the template boundary is constructed. …”
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765
Ultrasound-triggered drug release and cytotoxicity of microbubbles with diverse drug attributes
Published 2025-01-01“…This study investigates Camptothecin-loaded MBs (CPT-MBs) and Doxorubicin-loaded MBs (DOX-MBs), focusing on how properties such as hydrophilicity, hydrophobicity, and charged functional groups affect their interaction with the lipid surfaces of MBs, thereby influencing the fundamental characteristics and acoustic properties of the drug-loaded MBs. …”
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766
Impact of discharge regulation on zooplankton communities regarding indicator species and their thresholds in the cascade weirs of the Yeongsan River
Published 2024-12-01“…Discharge regulation in rivers with cascade weirs profoundly alters natural flow dynamics, impacting habitat characteristics and leading to the homogenization of community structure and function. Identifying indicator species and their ecological thresholds is crucial for effectively monitoring and assessing the ecological conditions of regulated river systems. …”
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767
A Gravity Data Denoising Method Based on Multi-Scale Attention Mechanism and Physical Constraints Using U-Net
Published 2025-07-01“…Gravity and gravity gradient data serve as fundamental inputs for geophysical resource exploration and geological structure analysis. …”
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768
Spatiotemporal change of green watershed development level of the Yangtze River Economic Belt from the perspective of human-water relationship
Published 2025-03-01“…Additionally, it identified shortcoming areas in green watershed development based on the main functional zones. [Results] (1) From 2010 to 2020, the overall green watershed development improved. …”
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769
Cationic substitution, dynamical stability, thermal stability, electronic and thermoelectric properties in 2D dialkali metal monoxides via DFT and ML approach
Published 2025-07-01“…Specifically, for electronic property assessment, generalized gradient approximation (GGA) and hybrid exchange-correlation functionals were utilized. …”
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Modified the CG-Algorithm for Unconstrained Non-Linear Optimization by Using Oren’s Update
Published 2005-12-01“…The new proposed algorithm is based on the inexact line searches and it is examined by using different non-linear test functions with various dimensions.…”
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772
The Extended CG Method for Non-Quadratic Models
Published 2011-07-01“…This paper investigates an interleaved algorithm which combines between the extended conjugate gradient with the hybrid method of Touati-Storey. This combined algorithm is based on the exact line search to solve a number of non-linear test functions with different dimensions. …”
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773
Perfil altitudinal de la temperatura media del aire en Colombia
Published 1992-10-01“…The defined equations show that temperature is not a unique function of altitudinal changes, but it also depends on specific physical conditions for each region or subregion.…”
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Comparative Evaluation of Feed-Forward Neural Networks for Predicting Uniaxial Compressive Strength of Seybaplaya Carbonate Rock Cores
Published 2025-05-01“…This work presents a comprehensive evaluation of four feed-forward artificial neural network (ANN) architectures—radial basis function (RBF), Bayesian regularized (BR), scaled conjugate gradient (SCG), and Levenberg–Marquardt (LM)—to predict UCS from three readily measured variables: water content, interconnected porosity, and real density. …”
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777
Osteoarthritis Classification Using Hybrid Quantum Convolutional Neural Network
Published 2025-01-01“…The model utilises the Swish activation function, which combines smoothness and nonlinearity to enhance learning efficiency and gradient flow, which are critical in complex diagnostic tasks. …”
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778
Approximate Solutions of Variational Inequalities and the Ekeland Principle
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779
A Novel Method for Inverting Deep-Sea Sound-Speed Profiles Based on Hybrid Data Fusion Combined with Surface Sound Speed
Published 2025-04-01“…The artificial lemming algorithm (ALA) is introduced to optimize the inversion of empirical orthogonal function (EOF) coefficients, enhancing global search efficiency while avoiding local optimization. …”
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780
Uncertainty-aware approach for multiple imputation using conventional and machine learning models: a real-world data study
Published 2025-04-01“…We proposed and evaluated three uncertainty-aware functions (i.e., uncertainty sampling (US), probability of improvement (PI), and expected improvement (EI)) integrated with linear regression (LinearReg), decision tree (DT), random forest (RF), and extreme gradient boosting (XGBoost) using three large datasets: chronic kidney disease (CKD, n = 31,043), hypertension cohort from Ramathibodi Hospital (HT-RAMA, n = 140,047) and Khon Kaen University Hospital (HT-KKU, n = 108,942) with high missing rates. …”
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