يعرض 1 - 20 نتائج من 37 نتيجة بحث عن '(( significant degs decrease ) OR ( significant variables derived ))', وقت الاستعلام: 0.09s تنقيح النتائج
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    Variable Selection in Data Analysis: A Synthetic Data Toolkit حسب Mitra, Rohan

    منشور في 2024
    "…To evaluate FSAs effectively, controlled environments are required, and the use of synthetic datasets offers significant advantages. We introduce a set of ten synthetically generated datasets with known relevance, redundancy, and irrelevance of features, derived from various mathematical, logical, and geometric sources. …"
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    Solvent Influence on Absorption Spectra and Tautomeric Equilibria of Symmetric Azomethine‐Functionalized Derivatives: Structural Elucidation and Computational Studies حسب Kifah S. M. Salih (7854269)

    منشور في 2023
    "…<p></p><div> <p>A new series of azomethine-functionalized compounds was synthesized from the condensation of 2-hydroxy-1,3-propanediamine and 2-thienylcarboxaldehydes in the presence of a drying agent. The derivatives were spectroscopically characterized by NMR, LC-MS, UV/Vis, IR and elemental analysis. …"
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    Waste-derived activated carbons for effective adsorptive removal of strontium, barium, and binary pollutants: A response surface methodology study حسب Shifa Zuhara (14150862)

    منشور في 2024
    "…A second-order polynomial regression equation was then developed to estimate the responses. The statistical significance of the independent variables and their interactions was assessed using analysis of variance (ANOVA) with a 95 % confidence level (α = 0.05). …"
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    Studying the impact of an energy retrofit of a UAE-based existing building by adding intelligent valves on the main chilled water risers and reconfigure the chilled water pumps to... حسب MAHMOUD, ABDALLAH

    منشور في 2021
    "…Such energy cost savings is derived as a result of the significant reduction on pumping capacity in addition to insignificant but noticeable reduction on the lift of the air-cooled chillers’ compressors. …"
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    Time series analysis of environmental quality in the state of Qatar حسب Ammar, Abulibdeh

    منشور في 2022
    "…This study investigated the long- and short-term impacts between these variables using ARDL bounds testing, while the stationarity properties of the variables were tested by applying the Zivot–Andrews test. …"
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    Time series analysis of environmental quality in the state of Qatar حسب Ammar Abulibdeh (15785928)

    منشور في 2022
    "…This study investigated the long- and short-term impacts between these variables using ARDL bounds testing, while the stationarity properties of the variables were tested by applying the Zivot–Andrews test. …"
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    Sustainability reporting in smart cities: a multidimensional performance measures حسب Buallay, Amina

    منشور في 2021
    "…Using data culled from 3536 observations from 20 different smart cities for ten years (2008–2017), an independent variable derived from ESG score are regressed against dependent manufacture performance indicator variables [Return on Assets (ROA), Return on Equity (ROE) and Tobin's Q (TQ)]. …"
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    Taguchi Approach for Optimizing Carbonization Parameters of Tea Waste To Enhance Adsorptive Biochar Properties حسب Muneer Mohammed Baabbad (21630671)

    منشور في 2026
    "…A Taguchi L9 orthogonal array was employed to identify the most significant parameters affecting the removal of 2,4-Dichlorophenol from wastewater. …"
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    The role of protected areas in modulating vegetation response to climatic stressors in hyper-arid ecosystems حسب Ammar Abulibdeh (15785928)

    منشور في 2025
    "…This study assesses the effectiveness of Qatar’s three major protected areas: Al Reem, Khor Al Adaid, and Al Thakhira, established in 2006, in modulating the responsiveness of vegetation to climatic drivers. Using Landsat-derived NDVI (1990–2022), ERA5-Land climate variables, and statistical techniques (linear regression, ANOVA, Kruskal-Wallis, Tukey’s HSD, and Dunn’s test), we compared vegetation–climate coupling before (1990–2006) and after protection (2007–2022). …"
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    Changing management history, gender moderating pay to job satisfaction for IS users حسب Maamari, Bassem E.

    منشور في 2014
    "…Findings – The study suggests that gender is a variable affecting the relationship of pay to employees’ job satisfaction. …"
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    Predictive factors for giftedness among Syrian refugee students: A focus on academic achievement, gender, and school context حسب Ali M. Alodat (22508036)

    منشور في 2023
    "…Middle school students were less likely to be identified compared to secondary students, while gender differences were not significant. Predictive modeling results should be interpreted with caution, as gifted identification was derived directly from the HOPE total score; models incorporating HOPE items closely mirrored the HOPE-based classification, whereas models using only demographic variables had limited discriminatory power. …"
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    Label dependency modeling in Multi-Label Naïve Bayes through input space expansion حسب PKA Chitra (21749216)

    منشور في 2024
    "…The innovation of improved multi-label Naïve Bayes (iMLNB) lies in its strategic expansion of the input space, which assimilates meta information derived from the label space, thereby engendering a composite input domain that encompasses both continuous and categorical variables. …"
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    Re-examining post-acceptance model of information systems continuance: A revised theoretical model using MASEM approach حسب Anubhav Mishra (17380600)

    منشور في 2023
    "…The extended model includes additional variables such as perceived ease of use (PEOU), attitude, trust, and enjoyment. …"
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    Chemical composition of indoor and outdoor PM<sub>2.5</sub> in the eastern Arabian Peninsula حسب Ersin Tutsak (4795959)

    منشور في 2024
    "…During the study period, PM<sub>2.5</sub> concentrations showed significant variability across several indoor locations ranging from 7.1 to 75.8 μg m<sup>−3,</sup> while the outdoor mass concentration range was 34.7–154.4 µg m<sup>−3</sup>. …"