Showing 861 - 880 results of 1,556 for search 'variables model composition', query time: 0.13s Refine Results
  1. 861

    Optimization of the synthesis of highly pure calcium sulphate from dolomite ore by Isaac Adekunle Joseph, Elijah Olawale Ajala, Amina Ahmed El-Imam, Mary Adejoke Ajala, Comfort Temitope Are, Esther Olubunmi Babatunde

    Published 2025-04-01
    “…A significant quadratic model (P-value = 0.0002, R2 = 0.923) was developed for CaSO4 synthesis. …”
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  2. 862

    OPTIMIZATION OF INCOME OF THE PERSONNEL OF THE ENTERPRISES OF THE FOOD INDUSTRY by G.M. Tarasiuk, T.P. Ostapchuk, T.V. Musiiets, Ya.M. Laguta, S.Yu. Biriuchenko

    Published 2020-10-01
    “…Depending on the goals of optimization, there are several types of unknown variables in the tasks of income management of the enterprise: the level of the employee; the level of a separate structural unit; the level of the enterprise as a whole. …”
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  3. 863

    Mixed-Species Flock Diversity and Habitat Density Are Associated with Antipredator Behavior in Songbirds by Eric K. Frazier, Zaharia A. Selman, Charles A. Price, Monica Papeş, Todd M. Freeberg

    Published 2025-05-01
    “…Titmice avoided feeders more when hawk models were presented at sites with greater vegetation density. …”
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  4. 864

    Color Variation in 3D-Printed Orthodontic Aligners as a Compliance Indicator: A Prospective Pilot Study by Francesca Cremonini, Giuseppe Chiusolo, Filippo Pepe, Luca Lombardo

    Published 2025-06-01
    “…However, individual variability in saliva composition, diet, and oral hygiene may have influenced the results, highlighting the need for further research into potential confounding variables. …”
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  5. 865

    Influencing factors and dynamic changes of COVID-19 vaccine hesitancy in China: From the perspective of machine learning analysis by Lei Li, Hui Jing, Yuqi Zhao, Shenghua Wu, Boyu Zhu

    Published 2025-12-01
    “…Based on survey data from China, we employed a Gradient Boosting Decision Tree (GBDT) model and conducted SHAP interpretability analysis. …”
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    Article
  6. 866

    Diagnosis of a Severe Dust Storm Event over Iraq by Sama K. Al-Dabbagh

    Published 2025-06-01
    “…Satellite images showed dense dust clouds swept and transported towards the east and southeast due to the front passage, which is simulated well in the CAMS model with a value exceeding 2.5 of optical depth. …”
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    Article
  7. 867

    Regression Analysis in Development of Method for Isolation and Quantitative Determination of Water-soluble Polysaccharides from Sunflower Roots of One-year-old by N. A. Dyakova

    Published 2022-02-01
    “…The adequacy of the model was confirmed by testing hypotheses against Pearson's χ2 criterion. …”
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    Article
  8. 868

    Determinants of Sustainability Reporting in the Romanian Banking Sector by Mihaela CUREA, Maria Carmen HUIAN, Marilena MIRONIUC

    Published 2025-05-01
    “…Regression trees facilitate the identification and modeling of non-linear and conditional relationships between variables, enabling the detection of complex interactions that traditional fixed-effects regression models cannot capture. …”
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  9. 869

    A Handheld IoT Vis/NIR Spectroscopic System to Assess the Soluble Solids Content of Wine Grapes by Xu Zhang, Ziquan Qin, Ruijie Zhao, Zhuojun Xie, Xuebing Bai

    Published 2025-07-01
    “…The quality of wine largely depends on the quality of wine grapes, which is determined by their chemical composition. Therefore, measuring parameters related to grape ripeness, such as soluble solids content (SSC), is crucial for harvesting high-quality grapes. …”
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  10. 870

    Drivers of primary care appointment volumes before and after the COVID-19 pandemic: a longitudinal study by Tianchang Zhao, Rachel Meacock, Matt Sutton

    Published 2025-03-01
    “…We used fixed-effects regression models to relate monthly general practice appointment rates per registered patient to workforce size and composition and population age structure, and compared the results between the two periods. …”
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  11. 871

    Analysis of the Effect of Clarity, Efficiency, Accuracy, Stimulation, and Novelty on the Attraction of Using PayLater Services by Mutiara Cahyani, Siti Jamilah

    Published 2025-08-01
    “…The goodness-of-fit model test produces an SRMR value of 0.051 (<0.08), indicating that the model is appropriate. …”
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  12. 872

    Avian Community Structure and Spatial Distribution in Anthropogenic Landscapes in Central Mexico by Jorge Enrique Ramírez-Albores

    Published 2025-04-01
    “…Zumpango Lagoon was the study site with the highest diversity (N = 209, H′  =  3.22) and evenness index (J′  =  0.76). Linear mixed models were used to determine the effects of season and environmental variables of the study sites on the avian diversity. …”
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  13. 873
  14. 874

    Urban–Rural Exposure to Flood Hazard and Social Vulnerability in the Conterminous United States by Bishal Dhungana, Weibo Liu

    Published 2024-09-01
    “…Global and local regression models, including Ordinary Least Squares (OLS) and Geographically Weighted Regression (GWR), highlighted social vulnerability’s spatial variability and localized impacts on flood risk. …”
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  15. 875

    Optimizing Biomethane Production from Industrial Pig Slurry and Wine Vinasse: A Mathematical Approach by Belén Cañadas, Juana Fernández-Rodríguez, Rosario Solera, Montserrat Pérez

    Published 2025-06-01
    “…This research applies an innovative Design of Experiments (DoE) approach—specifically the Box–Behnken design (BBD)—to systematically optimize the AcoD process, surpassing traditional single-factor methods by efficiently evaluating the interactions. Variables such as temperature (35 °C, 52.5 °C, 70 °C), substrate ratio (25PS:75WV, 50PS:50WV, 75PS:25WV) and pH (7, 7.5, 8) were tested using a Box–Behnken design which studied the correlations between the experimental data and the model. …”
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  16. 876
  17. 877

    Adolescent Aggression: A Narrative Review on the Potential Impact of Violent Video Games by Alejandro Borrego-Ruiz, Juan J. Borrego

    Published 2025-02-01
    “…Alterations in gut microbiome composition could occur as a result of engaging in VVGs, potentially mirroring the physiological responses observed in violent real-world activities. …”
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  18. 878

    Compost amendments up to one inch restore dry rangeland soil health by Eva Stricker, Emily Cornell, Zach Withers

    Published 2025-09-01
    “…We used model selection to determine if response relationships with compost amount were supported, linear, or non‐linear. …”
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  19. 879

    Off-Crop and Off-Season Monitoring, Key Elements to Be Integrated into an Effective Strategy for the Control of <i>Drosophila suzukii</i> (Diptera: <i>Drosophilidae</i>) by Ana A. R. M. Aguiar, Joana Neto, Pedro A. S. Sousa, Vanessa Roque, Leonor Chichorro

    Published 2024-11-01
    “…A stepwise linear model and Pearson correlation matrix were used. In 2020, a winter study was conducted in nine vineyards, focusing on landscape composition and its effect on <i>D. suzukii</i> populations. …”
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  20. 880

    A Global Systematic Review and Meta‐Analysis of Methods Used to Evaluate Predation and Diet of Domestic Cats (Felis catus) by Hannah L. Lockwood, Maren Huck

    Published 2025-04-01
    “…We compared 88 studies using a beta regression model conducted on four different taxa, where methodology, location and duration of study were included as variables. …”
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