83 research outputs found

    A hierarchiacal framework of barriers to green supply chain management in the construction sector

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    The research paper presents a hierarchical sustainability framework for evaluating the barriers to the adoption of green supply chain management (GSCM) in the United Arab Emirates (UAE) construction sector. A total of 32 barriers to the adoption of GSCM are identified through extensive literature review and expert interviews with academics and industry professionals. The barriers are grouped on the basis of literature and expert opinion to form 12 criteria. Since the nature of the identified criteria is complex and interdependent; an Interpretive Structural Modeling (ISM) technique is applied to develop a structural model. Driving and dependence power analysis (DDPA) is used to classify and identify the critical barriers. The developed sustainability framework offers a strong and efficient evaluation technique in decision making for policy makers and stakeholders by means of identifying and prioritizing the critical barriers. The barriers identified are also classified as external and internal barriers to the organization and will help policy makers to focus on specific barriers which are important to the adoption of GSCM in the UAE construction sector. The framework has the potential to be applied to other countries across industries

    Performance Comparison of Multi Input Capacitor Converter Circuits

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    This paper analyze the operation of a multi input switched capacitor (MIC) converters using a couple of switches, diodes and capacitors for several levels. With two input sources it is possible to obtain 8 output voltage levels. Here, 5 topologies of switched capacitor circuits namely summation, subtraction, inverting, double and half circuits are simulated and their performances are analyzed. Multi Input Converters have a high regard for multiple renewable energy sources used in smart grid systems, especially for distributed generators. The effects on output voltage with variation in load for different frequencies are also analyzed. Hardware implementation of summation and subtraction circuit is carried out and the results are compared with the simulated result

    Ethical consumerism and apparel industry - towards a new factor model

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    Ethical issues with offshore manufacturing plants in the ready-made garment industry is a regular affair, particularly for factories located in lesser developed nations. Despite efforts by non-government agencies around the globe pressurizing both governments and multinational corporations to adopt ethical practices, disastrous accidents and loss of lives continue to haunt the industry. This paper reviews existing literature to develop an understanding of consumers as pressure groups, and proposes a factor model that may influence consumers\u27 willingness to pay for ethical garments
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