Showing 401 - 420 results of 1,675 for search '"environmental protection"', query time: 0.95s Refine Results
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    http://purl.org/coar/resource_type/c_6627
    Published in 2016
    Repositorio RiUPTC: Repositorio Institucional UPTC
    ... to the Environmental Protection Agency of US (EPA) the maximum allowed for Se, Pb, and Cd is 0.05 mg•kg-1(ppm...
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    Article of journal
    Published in 2006
    Repositorio Universidad Nacional de Colombia

    ... Environmental Protection Agency (EPA) y su contenido de nutrientes se afectara en la menor proporción posible...
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  8. 408
    Article of journal
    Published in 2014
    Repositorio Universidad Nacional de Colombia

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  9. 409
  10. 410
    Doctoral thesis
    Published in 2017
    Repositorio Universidad Nacional de Colombia

    ... and environmental protection. In this context, and given the multiple uncertainties in power supply, most notably...
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    Trabajo de grado de pregrado
    Repositorio Repositorio Universidad del Quindío

    ... research studies associated with initiatives of technological development, environmental protection...
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  13. 413
    Trabajo de grado de pregrado
    Repositorio Repositorio Universidad del Quindío

    ... research studies associated with initiatives of technological development, environmental protection...
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