Results 121 to 130 of about 328,140 (221)

Las externalidades pesqueras [PDF]

open access: yes, 2008
La consideración de múltiples fenómenos sociales y recientemente, los del deterioro ambiental, nos enfrentan con una serie de interdependencias que no se manifiestan en el mercado y que tienen, además, un carácter acumulativo que evidentemente tiende a ...
Bertolotti, María Isabel   +3 more
core  

The distribution, abundance, and ecology of larval tunas from the entrance to the Gulf of California [PDF]

open access: yes, 1970
ENGLISH: This study is based on collections of larvae of Thunnus albacares, Euthynnus llneatus, and Auxis sp. obtained from surface and oblique net tows made during seven cruises, each along a comparable track in the entrance of the Gulf of California ...
Klawe, Witold L.   +2 more
core  

Prevalence of gestational malaria in Ecuador [PDF]

open access: yesBiomedica, 2022
Bracho Á   +4 more
europepmc   +1 more source

Los códigos de buen gobierno corporativo en las entidades sin ánimo de lucro: en especial en las fundaciones (Codes of good corporate governance in non-profit organizations: especially in foundations)

open access: yesOñati Socio-Legal Series, 2011
Non-Profit Organizations must deal too with corporate governance problems. Therefore, it can be convenient that these types of Organizations have Codes of Good Corporate Governance in order to achieve an optimum attainment of their purposes of general interest and a higher responsibility and efficiency in the administration of the organization.
openaire   +2 more sources

El presente un nuevo eje en el tiempo [PDF]

open access: yes, 2012
This research is an analysis about the present-day. It parts from the premise that a new consciousness model is being shaped. An analysis about the historical event named “time axis” is performed in order to understand this change in the consciousness ...
Arcos, Juan Manuel
core  

Collective health within the framework of global bioethics. [PDF]

open access: yesSalud Colect, 2023
Garrafa V   +2 more
europepmc   +1 more source

Beekeeping as a strategy for environmental management in the basin Guaremal reservoir, municipality Peña, Yaracuy, Venezuela [PDF]

open access: yes, 2012
El objetivo del presente estudio fue proponer estrategias de gestión ambiental para la recuperación de la cuenca del embalse Guaremal mediante el desarrollo de sistemas apícolas.
Barrios, Carlos   +7 more
core   +1 more source

Optimización del proceso de obtención de biodiesel de una empresa de producción, mediante simulación

open access: yesPerspectivas, 2019
Ecuador ha sido catalogado como uno de los países con potencial para incursionar en la producción de biodiesel en América Latina, utilizando aproximadamente 200 hectáreas para la generación de aceite de Jatropha curcas; sin embargo, la producción ...
Cristian Freire Ordóñez   +1 more
doaj  

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