Results 41 to 50 of about 730,160 (180)

Que la impaciencia o la obstinación no maten el sueño [PDF]

open access: yes, 1992
Reflexión sobre la necesidad de tener unas bases sólidas de análisis de la tecnología, para saber cuál es su ciclo de vida, de qué depende, cómo se planifica ...
Martín Pereda, José Antonio
core   +1 more source

Simulating the efficacy of wolf–dog hybridization management with individual‐based modeling

open access: yesConservation Biology, Volume 39, Issue 1, February 2025.
In the photo, an introgressed adult wolf–dog in the Northern Apennines, Italy, not far from the city of Bologna. Part of a research program, this male has been sterilized and released back in its own pack with a Global Positioning Collar. Abstract Introgressive hybridization between wolves and dogs is a conservation concern due to its potentially ...
Nina Luisa Santostasi   +4 more
wiley   +1 more source

ANÁLISIS DE CICLO DE VIDA EN LA EMPRESA PANCHITO GÓMEZ TORO

open access: yesRevista Centro Azúcar, 2010
La industria azucarera genera un gran impacto en el medio ambiente. En la actualidad, uno de los métodos novedosos para evaluar cuantitativamente los impactos ambientales generados por productos y procesos, es el Análisis de Ciclo de Vida (ACV ...
Dulce María Pérez Martínez   +2 more
doaj  

Análisis del ciclo de vida de la ventana de madera [PDF]

open access: yes, 2013
Se analiza el ciclo de vida de una ventana de madera y se calcula su huella ecológica. Se compara con la bibliografía existente la huella ecológica de la ventana de madera con la de PVC y la de ...
Llorente Díaz, Isabel Mª   +3 more
core  

Integrating adult occurrence and reproduction data to identify conservation measures for amphibians

open access: yesConservation Biology, Volume 39, Issue 1, February 2025.
Abstract Monitoring programs are pivotal to establishing sound management. Due to economic, logistic, and time limitations, monitoring programs often overlook differences among life‐history stages. However, species occurrence does not necessarily mean population viability, and it is unclear to what extent monitoring programs that do not consider ...
Elia Lo Parrino   +4 more
wiley   +1 more source

Revisión sobre el estado del arte del análisis de ciclo de vida para tableros derivados de la madera [PDF]

open access: yes, 2011
El presente trabajo tiene por objeto realizar una revisión del „estado del arte‟ sobre los estudios del análisis de ciclo de vida de la madera, más concretamente el caso de los tableros derivados, ya que conforman el eslabón que permite su ...
García Navarro, Justo   +1 more
core  

Análisis de Ciclo de Vida para el ecodiseño del sistema Intemper TF de cubierta ecológica aljibe [PDF]

open access: yes, 2012
Artículo que refleja los resultados obtenidos en la evaluación ambiental de la cubierta F ecolójica aljibe, planteando a partir de la identificación de los puntos críticos las estrategias de ecodiseño ...
Bedoya Frutos, César   +4 more
core   +2 more sources

La sombra alargada del patrón: Gamonalismo y hábitos hacendatarios en Chimborazo tras la reforma agraria

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 29, Issue 4, Page 352-363, December 2024.
Abstract This paper explores selective aspects of the historical processes of organization of the kichwa peasantry in the Andes of Ecuador. Based on the analysis of two representative cases of confrontation between peasants and landowners over access to land in the province of Chimborazo, it discusses the relevance of the concept of “gamonalismo” as ...
Víctor Bretón
wiley   +1 more source

Análisis del ciclo de vida del reciclado del polietileno de alta densidad [PDF]

open access: yes, 2008
Thermoplastics make up roughly 80% of the plastics produced today. There are hundreds of types of them and new variations are being developed. But not all thermoplastics are recyclable in the same proportion. The most commonly recycled thermoplastics are
Franco García, Vicente   +3 more
core   +1 more source

C‐reactive protein (CRP) in high altitude Bolivian peri‐urban adolescents varies by adiposity, current illness, height, socioeconomic status, sex, and menarcheal status: The potential benefits and costs of adipose reserves in arduous environments

open access: yesAmerican Journal of Human Biology, Volume 36, Issue 9, September 2024.
Abstract Objectives In non‐industrialized and low‐income populations, adipose stores can serve as a valuable buffer against harsh conditions such as seasonal food scarcity. However, these reserves may incur costs due to adipocytes' production of pro‐inflammatory cytokines; inflammation is associated with increased risk for cardiometabolic diseases ...
Virginia J. Vitzthum   +8 more
wiley   +1 more source

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