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UAV LiDAR expands the understanding of forest tree diversity
Published 2025-06-01“…The results revealed that (1) the diversity indices calculated with importance value correlate better with LiDAR features than with relative density; (2) among heterogeneity metrics, Rao’s Q outperformed the coefficient of variation (CV), and heterogeneity metrics overall performed better than structural features in estimating tree diversity; (3) the LiDAR data provided fine-scale structural information, with the highest accuracy for estimating tree diversity achieved at a 1 m spatial resolution; and (4) features from the cover category, including canopy cover (CC), cover of the herbaceous layer (CH), and cover of the tree layer (CT), demonstrated greater robustness and stronger correlations with tree diversity across different spatial resolutions. …”
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Population dynamics of Tricentrus sp. and detection of jujube witches'-broom phytoplasma in a Shandong jujube orchard
Published 2025-06-01“…[Objective] China's jujube industry has achieved an annual output value exceeding 100 billion RMB, serving as a crucial economic source for approximately 20 million farmers in saline, sandy, and arid regions. …”
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An Improved Gaussian Mixture Model-Based Data Normalization Method for Removing Environmental Effects on Damage Detection of Structures
Published 2025-01-01“…Next, on the basis of the constructed GMM, the modal frequency data are normalized to extract damage features that remain unaffected by environmental variations. Subsequently, Hotelling’s T2 statistic and its cumulative form are calculated for the damage features and designated as the damage indicators; meanwhile, the corresponding damage thresholds are also calculated according to the kernel density estimation technique. …”
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Spatiotemporal evolution of landscape ecological risk and its driving factors of the Beijing–Tianjin–Hebei major mineral belt, 1985–2022
Published 2025-01-01“…The ‘high-high’ aggregations are primarily located in the northern, central and western parts of the study area, while the ‘low-low’ aggregation zones are mainly located in the southeastern study region. (4) The spatial distribution of landscape ecological risk is predominantly shaped by population density and slope. In the context of interactive factor detection, the positive interaction between slope and average annual temperature, night-time illumination and slope, population density and annual precipitation were identified as exerting a more significant influence on the observed spatial differentiation of landscape ecological risk. …”
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Dendrochemical analysis of Brachystegia longifolia Benth as an indicator of Sulphur deposition in a copper smelting area of Mufulira, Zambia
Published 2025-05-01“…This study investigated the dendrochemical potential of Brachystegia longifolia in detecting environmental change induced by variations in industrial pollution load. …”
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Magnetopause Boundary Detection Based on a Deep Image Prior Model Using Simulated Lobster-Eye Soft X-Ray Images
Published 2025-07-01“…To address these challenges, a boundary detection approach is developed that combines image calibration with denoising based on deep image prior (DIP). …”
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Serum and urine apolipoprotien A1 (ApoA1) as biomarkers in bladder cancer
Published 2024-06-01“…The most important protein that makes up high density lipoprotein (HDL), ApoA-I apolipoprotein A1 is essential in regulating the right amount of cholesterol. …”
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Optical and electrical properties of pristine and transition Metals-doped graphene quantum dots as gas sensors toward H2O and NO2: A first principles study
Published 2025-07-01“…In this work, we theoretically investigate the variations in the absorbance spectra of hexagonal graphene quantum dots (GQDs) under the influence of different gas molecules to evaluate their potential for optical gas sensing. …”
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Mechanism–Data Collaboration for Characterizing Sea Clutter Properties and Training Sample Selection
Published 2025-04-01“…Multi-feature-based maritime radar target detection algorithms often rely on statistical models to accurately characterize sea clutter variations. …”
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Machine learning for predicting metabolic-associated fatty liver disease including NHHR: a cross-sectional NHANES study.
Published 2025-01-01“…<h4>Objective</h4>Metabolic - associated fatty liver disease (MAFLD) is a common hepatic disorder with increasing prevalence, and early detection remains inadequately achieved. This study aims to explore the relationship between the non-high-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratio (NHHR) and MAFLD, and to establish a predictive model for MAFLD using NHHR as a key variable.…”
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A microgravity investigation of the subsurface at the United Arab Emirates University campus
Published 2025-07-01“…Gravity methods are widely used in geophysical exploration to detect density variations that may indicate subsurface anomalies. …”
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Spatial and Temporal Mapping of RF Exposure in an Urban Core Using Exposimeter and GIS
Published 2025-02-01“…The study’s innovative approach lies in the integration of GIS technology to uncover and visualize temporal patterns in exposure, particularly during periods of higher pedestrian density. This integration facilitated both the detection of temporal variations and the spatial representation of these changes, enabling rapid identification and assessment of exposure hotspots.…”
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Population trends of jaguars in a tropical forest in southern Mexico
Published 2025-08-01“…Instead, we observed a relationship between (1) distance to roads and detection, (2) net primary productivity and movement, and (3) distance to borders and population density. …”
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Exploratory Analysis of Radiomics and Pathomics in Uterine Corpus Endometrial Carcinoma
Published 2024-12-01“…Most significant and high cross-scale associations were observed between ADC textural features and features from cell density maps. Correlations involving morphometric features and ADC and T1C first-order features were also observed, reflecting variations in tumor aggressiveness and tissue composition. …”
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Berry curvature-induced transport signature for altermagnetic order
Published 2025-07-01“…Abstract Altermagnetism has been detected in several materials using spin-sensitive probes. …”
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Negotiating cohabitation in a Nigerian abattoir: One Health perspectives of human-animal-ecosystem interactions examined in the light of the SARS-CoV-2 pandemic
Published 2025-07-01“…Virological analyses included RT-qPCR for SARS-CoV-2 RNA detection and ELISA for antibody identification. Fieldwork spanned rainy and dry seasons in 2022 to capture seasonal variations in human-animal interactions. …”
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GRAVITY ANOMALIES OF THE CRUST AND UPPER MANTLE FOR CENTRAL AND SOUTH ASIA
Published 2016-12-01“…The anomalies range from –570 to +350 mGal, which is about twice the range of variations of this field. This directly indicates the presence of large density variations in the lithospheric mantle, which should compensate for the anomalous crustal masses. …”
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Early Fault Diagnosis and Prediction of Marine Large-Capacity Batteries Based on Real Data
Published 2024-12-01“…To facilitate prompt fault detection, a fault diagnosis method based on the Density-Based Spatial Clustering of Applications with Noise (DBSCAN) algorithm is proposed, utilizing the voltage data of battery clusters. …”
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