Results 51 to 60 of about 35,564 (130)

Spartan Daily October 16, 2012 [PDF]

open access: yes, 2012
Volume 139, Issue 26https://scholarworks.sjsu.edu/spartandaily/1342/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core   +1 more source

New World Colonial Churches that Function as Astronomical Instruments [PDF]

open access: yes, 2010
Presented at the 66th Annual Meeting of the Society for American Archaeology in New Orleans in 2010.This poster present photos and charts of churches that align with solstice sunrises or sunsets, as examples of architecture as astronomical ...
Benfer, Robert Alfred
core  

ENERGÍA SOLAR FOTOVOLTAICA Y SUSTENTABILIDAD EN LA AGRICULTURA DEL DISTRITO DE RIEGO ALTAR-PITIQUITO-CABORCA

open access: yes, 2016
Los contenidos del reporte Brundtland (1987) exponen las necesidades humanas de transitar hacia actividades económicas capaces de implementar con éxito acciones que limiten los efectos del cambio climático. A partir de este reporte, los países han signado acuerdos que los condicionan a sustituir la base energética convencional por fuentes de energía ...
openaire   +1 more source

The Impact of the CIMMYT Wheat Breeding Program on Wheat Yields in Mexico's Yaqui Valley, 1990-2002: Implications for the Future of Public Wheat Breeding [PDF]

open access: yes
CIMMYT has invested a large and significant amount of public expenditures in wheat breeding research each year for several decades. Estimates of the impact of the wheat breeding program on wheat yield increases provides information to scientists ...
Barkley, Andrew P.   +1 more
core   +1 more source

Ecological-niche modeling reveals current opportunities for Agave dryland farming in Sonora, Mexico and Arizona, USA. [PDF]

open access: yesPLoS One, 2023
Ortiz Cano HG   +12 more
europepmc   +1 more source

La Égersis de Melqart. Hipótesis sobre una teología solar cananea [PDF]

open access: yes
En el siglo XIX, J.G. Frazer explicó el mitema oriental del dios que muere y resucita mediante una comparación con los ciclos de la naturaleza. Así, dicha creencia estaría ligada a una agricultura y a unas fiestas acordes con el calendario anual de la ...
Escacena Carrasco, José Luis
core   +1 more source

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