Resultados de búsqueda - ("concerned" or ("concerns" OR "concern"))

  1. 121

    Recubrimientos bimodales de WC-co-VC nanoestructurado aplicados por rociado térmico como alternativa del cromo hexavalente para trenes de aterrizaje. por Valladares Hernández, Julio César

    Publicado 2018
    “…However, over the last decade there has been concerns about chromates due to environmental, health and safety considerations related to the handling, storage and disposal of hard chromium (Cr6+). …”
    Enlace del recurso
    Tesis
  2. 122

    Efecto potenciador de inhibidores de fenoloxidasas (PO) en la infección de hongos entomopatógenos sobre el gusano soldado Spodoptera exigua Hübner (Lepidoptera: Noctuidae). por Pérez Rodríguez, Ricardo

    Publicado 2017
    “…ABSTRACT: Nowadays, the main concern for the pest control consist reduce the use of chemical insecticides as a result of a series of adverse effects that these cause (resistance, resurgence, non-selectivity, environmental damage and human health), therefore, nowadays biological control represents an ecological alternative to chemical insecticides. …”
    Enlace del recurso
    Tesis
  3. 123

    Estudio de la combustión de mezclas de gasolina-bioalcohol en un motor de compresión variable CFR por Rubio Gómez, Guillermo

    Publicado 2018
    “…Abstract The last years, an increment has been seen in the concern about the perjudicial effects of the use of fossil fuels in internal combustion engines, in terms of growing greenhouse effect and health issues from its emissions. …”
    Enlace del recurso
    Tesis
  4. 124

    Efecto potenciador de inhibidores de fenoloxidasas (PO) en la infección de hongos entomopatógenos sobre el gusano soldado Spodoptera exigua Hübner (Lepidoptera: Noctuidae). por Pérez Rodríguez, Ricardo

    Publicado 2017
    “…ABSTRACT: Nowadays, the main concern for the pest control consist reduce the use of chemical insecticides as a result of a series of adverse effects that these cause (resistance, resurgence, non-selectivity, environmental damage and human health), therefore, nowadays biological control represents an ecological alternative to chemical insecticides. …”
    Enlace del recurso
    Tesis
  5. 125

    Estudio de la combustión de mezclas de gasolina-bioalcohol en un motor de compresión variable CFR por Rubio Gómez, Guillermo

    Publicado 2018
    “…Abstract The last years, an increment has been seen in the concern about the perjudicial effects of the use of fossil fuels in internal combustion engines, in terms of growing greenhouse effect and health issues from its emissions. …”
    Enlace del recurso
    Tesis
  6. 126

    Biología y ecología de aves playeras con énfasis en el género Calidris (aves: charadriiformes, scolopacidae) en la Península de Yucatán, México por Correa Sandoval, Jorge

    Publicado 2009
    “…Eleven species present in this study are listed either as Highly Imperiled or as High Conservation Concern in the United States Shorebird Conservation Plan priorities. …”
    Enlace del recurso
    Tesis
  7. 127

    Biología y ecología de aves playeras con énfasis en el género Calidris (aves: charadriiformes, scolopacidae) en la Península de Yucatán, México por Correa Sandoval, Jorge

    Publicado 2009
    “…Eleven species present in this study are listed either as Highly Imperiled or as High Conservation Concern in the United States Shorebird Conservation Plan priorities. …”
    Enlace del recurso
    Tesis
  8. 128

    Population growth and its implications (Crecimiento poblacional y sus implicaciones) por Badii Zabeh, Mohammad Hosein, Castillo, J., López, J. Fabián

    Publicado 2005
    “…Most of that growth will occur in the less developed countries of Asia, Africa, and Latin America. There is a serious concern that the number of humans in the world and our impact on the environment will overload the life support systems of the earth. …”
    Enlace del recurso
    Artículo
  9. 129

    Evaluación del contenido de carbono en bosques del sur de Nuevo León por Domínguez Cabrera, Gabriel

    Publicado 2005
    “…Anstract Growing accumulation of Carbon Dioxide in the atmosphere is a global concern of serious outcomes. Therefore, the main objective was to evaluate forest capacity for carbon sequestration at the South of Nuevo León, in order to test that this capacity varies among forest types. …”
    Enlace del recurso
    Tesis
  10. 130

    Evaluación del contenido de carbono en bosques del sur de Nuevo León por Domínguez Cabrera, Gabriel

    Publicado 2005
    “…Anstract Growing accumulation of Carbon Dioxide in the atmosphere is a global concern of serious outcomes. Therefore, the main objective was to evaluate forest capacity for carbon sequestration at the South of Nuevo León, in order to test that this capacity varies among forest types. …”
    Enlace del recurso
    Tesis
  11. 131
  12. 132
  13. 133
  14. 134

    Los Aforismos de Locke Acerca de la Educación y de la Salud por Romanell, Patrick

    Publicado 2020
    “…JOHN LOCKE (1632-1704) ha sido llamado “EL Padre de la Educación Moderna en Inglaterra”, y tal vez ninguno de sus libros haya alcanzado el valor obtenido en nuestros días por Some Thoughts Concerning Education.  …”
    Enlace del recurso
    Artículo
  15. 135
  16. 136

    Compound Aqua feeds in a More Competitive Market: Alternative protein sources for a more sustainable future por G.J. Tacon, Albert

    Publicado 2008
    “…This dependency is particularly strongwithin compound aquafeeds for farmed carnivorous finfish species and marine shrimp.Results are presented concerning the responses received from a global survey conducted between December2006 and October 2007 concerning the use of fish meal and fish oil within compound aquafeeds using aquestionnaire sent to over 800 feed manufacturers, farmers, researchers, fishery specialists, and otherstakeholders in over 50 countries. …”
    Enlace del recurso
    Artículo
  17. 137

    Clonación molecular de proteínas de membrana externa de Aeromonas veronII por Vázquez Juárez, R. C., Barrera Saldaña, Hugo Alberto, Ascencio V., F.

    Publicado 2004
    “…This research expands the knowledge concerning bacterial adhesion mecha- nisms, and established the potential of DNA vac- cines for the control of bacterial infections in cul- tured fish.…”
    Enlace del recurso
    Artículo
  18. 138
  19. 139

    Autonomus Motivation as a Mediator Between an Empowering Climate and Enjoyment in MAle Volleyball Players por Mosqueda Ortiz, Sofía, López Walle, Jeanette M., Gutiérrez García, Pablo, García Verazaluce, Juan, Trisitán, José

    Publicado 2019
    “…The objective of this work was to analyze a mediation model concerning the perception ofan empowering climate generated by a coach and enjoyment through the autonomous motivation ofathletes. …”
    Enlace del recurso
    Artículo
  20. 140

    Propuesta teórica para alcanzar una autonomía financiera por parte del municipio en méxico por González Sanmiguel, Nancy Nelly, Martínez Fernández, Refugio de Jesús, Flores Martínez, Roberto Arnoldo

    Publicado 2014
    “…ABSTRACT Studies concerning the financial autonomy of the municipality are based on tasks that must be the same as an organ of government, but this Council has to overcome all kinds of obstacle that occurs either internal or external due to excessive centralization which exists in México.…”
    Enlace del recurso
    Artículo

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