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  • Open Access

    ARTICLE

    Evaluation of Environmental Quality for Abandoned Coal Mine Based on Environmental Vulnerability Index

    Peng Qi1,*, Yu Shang2,*

    Energy Engineering, Vol.118, No.3, pp. 727-736, 2021, DOI:10.32604/EE.2021.014203

    Abstract With the increasingly prominent environmental problems of abandoned coal mines, this paper discussed the significance of environmental vulnerability assessment of abandoned coal mines. Environmental vulnerability assessment is essentially an assessment of environmental quality. At present, the research object of environmental impact assessment method and program of mine is mostly single factor. However, the impact of abandoned coal mine on the environment is multifaceted, which was summarized into nine prominent common problems. Based on these nine factors, the environmental vulnerability assessment model of abandoned coal mine based on multifactor evaluation was established by using the analytic hierarchy process (AHP) method, the… More >

  • Open Access

    ARTICLE

    Analytic Hierarchy Process for Evaluating Flipped Classroom Learning

    Husam Jasim Mohammed1,*, Hajem Ati Daham2

    CMC-Computers, Materials & Continua, Vol.66, No.3, pp. 2229-2239, 2021, DOI:10.32604/cmc.2021.014445

    Abstract In reality, the flipped classroom has gained popularity as a modern way of structuring teaching, where lectures move from in-class procedures to digitally-based assignments, freeing up the debate, and practice exercises class time. Therefore, it is essential to implement and analyze a way of teaching that will improve student performance. The paper aims to develop a model of the method of teaching science in Iraqi schools, and to assess whether teaching flipped classroom affects the achievement, motivation, and creative thinking of students by using the methodology of Multi-Criteria Decision Making (MCDM) in the Analytic Hierarchy Process (AHP). The AHP approach… More >

  • Open Access

    ARTICLE

    Decision Support Strategy in Selecting Natural Fiber Materials for Automotive Side-Door Impact Beam Composites

    M. A. Shaharuzaman1,2,4, S. M. Sapuan1,3,*, M. R. Mansor2,4, M. Y. M. Zuhri1,3

    Journal of Renewable Materials, Vol.7, No.10, pp. 997-1010, 2019, DOI:10.32604/jrm.2019.07529

    Abstract The enforcement on sustainable design and environmental-friendly products has attracted the interest of researchers and engineers in the context of replacing metals and synthetic fibers with natural based fibers, especially in the automotive industry. However, studies on sustainable natural fiber material selection in the automotive industry are limited. Evaluation for the side-door impact beam was conducted by gathering product design specification from literature which amounted to seven criteria and it was forwarded to ten decision makers with automotive engineering and product design background for evaluation. The weightage required for decision-making was obtained using the Analytic Hierarchy Process (AHP) method based… More >

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