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721
A Deep-learning based Model with Intra- and Inter-Well Constraints for Intelligent Identification of Stratigraphic Layers
Published 2025-09-01“…The proposed approach begins with principal component analysis (PCA) to reduce the dimensionality of logging parameters while retaining key geological features. …”
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722
Non-destructive textural quality assessment of peaches and nectarines using near-infrared spectroscopy integration time
Published 2025-12-01“…Samples underwent both non-destructive NIR spectroscopy (with integration times adjusted for optimal signal-to-noise ratio) and destructive tests, including the Magness-Taylor firmness test and juiciness measurements on absorbent paper. A principal component analysis (PCA) was used to analyze textural variability, and discriminant function analysis (DFA) and artificial neural networks (ANNs) were applied to classify fruit firmness levels.PCA effectively defined a new variable, PC1, that captured the variance in fruit texture, correlating positively with juiciness and negatively with firmness. …”
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723
Exploring the impact of urban green spaces on wellbeing in Prishtina, Kosovo
Published 2025-06-01“…Data from 384 respondents, collected through stratified random sampling, were analysed using the principal component analysis and regression techniques. …”
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724
Distribution, origins, impact factors and ecological risks of metallic elements in the sediment from Changhua River estuary, Hainan Island, China
Published 2025-05-01“…The assessment focused on pollution characteristics, spatial distribution, and ecological risks, while also identifying potential origins of metallic elements through the application of correlation analysis, principal component analysis (PCA), and Positive Matrix Factorization (PMF) models. …”
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725
Synergistic co-metabolism enhancing the crude oil degradation by Acinetobacter oleivorans DR1 and its metabolic potential
Published 2025-07-01“…This demonstrated that glucose may not be the preferred carbon and energy source, but it still significantly influences hydrocarbon metabolism through increased synthesis of fatty acids and low molecular weight organic acids (glutaric, citric, and tartaric acid, etc.). Principal component analysis revealed the distinct clusters of metabolites among the culture conditions, highlighting the minimal effect of biosurfactant. …”
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726
Influence and Mechanism of Fertilization and Irrigation of Heavy Metal Accumulation in Salinized Soils
Published 2024-09-01“…Compared to no irrigation, supplemental irrigation of 22 mm during the grain-filling stage increased soil surface Cd content, Zn content, and the potential ecological risk index (HRI) by 10.2%, 3.1%, and 8%, respectively, while simultaneously reducing the heavy metal content in grains by 12–13.5% and decreasing heavy metal enrichment. Principal component analysis revealed the primary factors influencing Cu and Zn residues and Cd accumulation in the crop grains. …”
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727
Characterization of Volatile Organic Compounds and Aroma Sensory Properties in Yunnan Cigar
Published 2024-01-01“…To characterize volatile organic compounds (VOCs) and aromatic sensory properties in Yun cigar, 27 samples from four origins were analyzed using SPME–HS–GC/MS and sensory analysis. The investigation results were analyzed using principal component analysis (PCA), Fisher linear discriminant analysis (LDA), and Pearson correlation analysis. …”
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728
Morphological variability of otolith organs in three congeneric Pagellus species
Published 2024-04-01“…The results of principal component analysis (PCA) of the wavelet data provided a clear distinction between the groups under study. …”
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729
Low blood levels of selenium, selenoprotein P and GPx3 are associated with accelerated biological aging: results from the Berlin Aging Study II (BASE-II)
Published 2025-04-01“…This association remained statistically significant after adjustment for age, sex, BMI, smoking, and first four genetic principal components (β = − 0.02, SE = 0.01, 95% CI − 0.034 to − 0.004, p = 0.012, n = 757). …”
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730
Longitudinal characterization of the muscle metabolome in dairy cows during the transition from lactation cessation to lactation resumption
Published 2025-01-01“…The targeted metabolomics approach was conducted using the MxP Quant 500 kit (Biocrates Life Sciences AG) with liquid chromatography, flow injection, and electrospray ionization triple quadrupole mass spectrometry. Statistical analysis on the muscle metabolite data was performed using MetaboAnalyst 5.0, which allowed us to conduct various multivariate analyses such as principal component analysis (PCA), partial least squares discriminant analysis (PLS-DA), informative heat map generation, and hierarchical clustering. …”
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731
Calcium significantly improves the fruit quality of red-flesh ‘Hongyang’ kiwifruit
Published 2025-04-01“…A comprehensive evaluation of all the related functional values and principal component analysis revealed that the highest comprehensive score (5.09) of fruit quality of 'Hongyang' fruit was achieved after two applications of EDTA-Ca solution by fruit surface immersion. …”
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732
A Linear Decomposition Method to Analyze and Study Pulsar Mode Changes
Published 2025-01-01“…We show that the method is similar to the principal component analysis, but the LDM can handle more general situations. …”
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733
Late Gestation Maternal Nutrition Has a Stronger Impact on Offspring Liver Transcriptome than Full-Gestation Supplementation in Beef Cattle
Published 2025-04-01“…Liver samples were collected from male offspring aged 22.5 ± 1 months and analyzed using RNA-Seq (n = 5 per treatment). Principal component analysis (PCA) and differential gene expression analysis were carried out in an R statistical environment. …”
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734
Soil and Root Responses in Hazelnut Rhizosphere to Inoculate Rhizobacteria Immobilized via JetCutter Technology
Published 2025-07-01“…Their effects on root development, gas exchange parameters, dissolved organic carbon (DOC), and soil enzymatic activities (phosphatase, urease, protease, and β-glucosidase) were assessed. Principal component analysis (PCA) was used to identify the top-performing strain. …”
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735
Arabic validation and cross-cultural adaptation of climate anxiety scale
Published 2024-11-01“…The internal consistency of the scale was assessed using the Cronbach's alpha. Exploratory factor analysis (EFA) conducted over principal component analysis assessed the scale dimensionality. …”
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736
Directional hand movement can be classified from insular cortex SEEG signals using recurrent neural networks and high-gamma band features
Published 2025-08-01“…Neural signal processing focused on high-gamma band activity. Demixed Principal Component Analysis (dPCA) was used for dimension reduction (d = 10) and feature extraction from the time-frequency analysis. …”
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737
Effect of Mixed Lactic Acid Bacteria on Silage Quality and In Vitro Digestibility of 16 Oat Forage Varieties in Qinghai–Tibet Plateau
Published 2025-06-01“…The dry matter digestibility and 72 h cumulative gas production of the IN group were higher than that of the CK group (<i>p</i> < 0.05). Based on principal component analysis and membership function comprehensive evaluation, Tianyan No.1, Qinghai 444, and Tianyan No.3 ranked the top three, demonstrating that these three oat forage varieties are suitable for silage processing in the Qinghai–Tibet Plateau region.…”
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738
Mitochondrial genes and antioxidant mechanisms in the duodenum relate to feed efficiency in slow-growing chickens
Published 2025-11-01“…Moreover, the antioxidant enzyme activities in HRFI were significantly higher than those in LRFI, suggesting that HRFI birds have the capacity to cope with elevated levels of ROS. Principal component analysis (PCA), which integrated phenotypic characterization, mitochondrial oxidative status, and gene expression levels, revealed a clear separation between LRFI and HRFI chickens, with PC-1 explaining 47% of the variance. …”
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739
Discovery of anti-Ebola virus multi-target inhibitors from traditional Chinese medicine database using molecular screening, biophysical investigation, and binding free energy calcu...
Published 2025-02-01“…Furthermore, the binding free energy results revealed that VP30-TCM2644, VP30-TCM4697, VP35-TCM2837, VP24-TCM250, and VP24-TCM277 complexes exhibit significant binding free energy values compared to the control ligands. Principal Component Analysis (PCA) and Free Energy Landscape (FEL) results revealed the trajectories' motion and conformational energy states. …”
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740
Allosteric binding sites in Rab11 for potential drug candidates.
Published 2018-01-01“…In this study, by employing multiple clustering approaches integrating principal component analysis, independent component analysis and locally linear embedding, we performed structural analyses of Rab11 and identified eight representative structures. …”
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