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151,663 research outcomes, page 1 of 15,167
  • publication . Article . 2005
    Open Access
    Authors:
    Madou, Marc; Brondeel, Philip; Gomes, Walter; Hanselaer, P; Cardon, F;
    Publisher: Elsevier BV

    The p-Si/methanol interface in the presence of redox couples was studied by means of impedance, open-circuit photovoltage and cyclic-voltammetric measurements. Evidence was found for the occurrence of an inversion layer underneath the Si surface under certain circumstan...

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  • publication . Article . 2013
    Open Access
    Authors:
    Perica Ilak; Slavko Krajcar;
    Persistent Identifiers
    Publisher: Canadian Center of Science and Education

    In this study an assessment of investments in a hydropower plants is considered. The objective of this work is to maximize the net present value from selling energy. Because of the stochastic nature of river flows, flow duration curve is constructed to take into account...

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  • publication . Article . 2015
    Open Access English
    Authors:
    Katarína Čulková; Lucia Domaracká; Mária Muchová;
    Publisher: Technical University of Kosice

    At present, the photovoltaic power is subject to a number of discussions in domestic, as well as foreign studies and expert publications. Despite the conditions of the sunshine in the Slovak Republic, which are better than in the Czech Republic or Germany, Slovakia keep...

  • publication . Article . 2014
    Open Access English
    Authors:
    Julius Yellowhair; Charles E. Andraka;
    Persistent Identifiers
    Publisher: The Authors. Published by Elsevier Ltd.

    Abstract Heliostat reflective facets have traditionally been constructed with glass/silver and metal back support, which may be near reaching its minimum cost point. During the past year, Sandia National Laboratories evaluated alternative low-cost materials and manufact...

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  • publication . Conference object . 2021
    Open Access English
    Authors:
    Sørensen, Christian Ingerslev; Murkowska, Marta Irena;
    Publisher: Zenodo
    Project: EC | SETWIND (842231)

    This presentation was part of the SP5 & SP6 WORKSHOP on System Integration – Expert Workshop: “Wind & Power-2-X”.

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  • publication . Part of book or chapter of book . Research . 2007
    Open Access
    Authors:
    Narumi Shikasho; Ryo Akasaka; Tatsuya Matsumoto; Koji Morita; Kenji Fukuda;
    Persistent Identifiers
    Publisher: Elsevier

    Publisher Summary There are many controversial issues in terms of the energy problem. Energy suppliers are now forced to take into account environmental effects and safety at the cost of less commercial profit. Although they intend to build more nuclear plants, it is so...

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  • publication . Part of book or chapter of book . 2005
    Open Access
    Authors:
    Steven Hegedus; Antonio Luque;
    Persistent Identifiers
    Publisher: John Wiley & Sons, Ltd

    Congratulations! You are reading a book about a technology that has changed the way we think about energy. Solar electricity, also known as photovoltaics (PV), has shown since the 1970s that the human race can get a substantial portion of its electrical power without bu...

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  • publication . Article . 2018
    Open Access English
    Authors:
    Yedilkhan Amirgaliyev; Murat Kunelbayev; Waldemar Wójcik; Beibut Amirgaliyev; Aliya Kalizhanova; Omirlan Auelbekov; Nazbek Kataev; Ainur Kozbakova;
    Persistent Identifiers
    Publisher: Polish Society of Ecological Engineering (PTIE)

    The article describes a newly developed calculation technique and choice of the geometrical parameters of the solar collector with the siphon effect. The dependence of the cross section of the pipe on the flow time for different values of the head is also shown. With an...

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  • publication . Article . 2009
    Open Access
    Authors:
    Virginie M Grzelczyk; Virginie Grzelczyk;
    Persistent Identifiers
    Publisher: Brill

    AbstractOver the past decade, multiple attempts have been made to curb North Korea's development of a nuclear program. Major world powers such as the United States and China have reached out to Pyongyang through bilateral and multilateral negotiation processes. The Six-...

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  • publication . Article . Preprint . 1997
    Open Access
    Authors:
    Nat Gopalswamy; Jie Zhang; M. R. Kundu; E. J. Schmahl; James R. Lemen;
    Persistent Identifiers
    Publisher: American Astronomical Society

    Comment: 15 pages (Latex), 4 figures (eps). ApJ Letters in press (1997)

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151,663 research outcomes, page 1 of 15,167