Results 91 to 100 of about 519,357 (265)

Desarrollo turístico desde el concepto de ciudad-puerto, caso Barranquilla, Colombia

open access: yesCLIO América, 2019
Este artículo muestra los resultados del estudio sobre el potencial turístico de Barranquilla (Colombia), desde el contexto portuario. Metodológicamente se realizaron 392 encuestas con el fin de evaluar la identidad de la población con ...
Juan Carlos Ospina-Arias   +2 more
doaj   +1 more source

Post-Keynesian Theory of Business Enterprise and the Veblenian´s Approach: Are there commonalities? [PDF]

open access: yes
The main objective of this paper is to explore the possible common grounds, divergences and complementarities between the Veblenian’s approach on the Theory of Business Enterprise followed by Institutional economists, and the modern Post Keynesian Micro ...
Parada, Jairo
core   +1 more source

América latina y la Unión Europea: la agenda de Guadalajara y las relaciones birregionales [PDF]

open access: yes, 2005
La Cumbre de Guadalajara ha mostrado la vitalidad de las relaciones entre la Unión Europea y América Latina y el Caribe, en parte a través de un proceso preparatorio en el que se han implicado un gran número de actores, gubernamentales y no ...
Sanahuja, José Antonio
core   +1 more source

A Preliminary Assessment of Noise‐Related Impacts From the Urban‐Invasive Johnstone's Whistling Frog (Eleutherodactylus johnstonei) 城市入侵物种约翰斯通鸣蛙 (Eleutherodactylus johnstonei) 引起的噪声影响初步评估 Una evaluación preliminar de los impactos relacionados con el ruido de la rana silbadora de Johnstone (Eleutherodactylus johnstonei), especie urbana invasora

open access: yesIntegrative Conservation, EarlyView.
The Johnstone's whistling frog is an invasive species whose loud night‐time calls may affect human health and well‐being. Our study in Cali, Colombia, combined fieldwork and online surveys to assess its urban occupancy, density, and potential health impacts.
Rubén Darío Palacio, Sumana Goli
wiley   +1 more source

Luis Solís Rivera y Francisco Rojas Aravena (ed.) Crimen Organizado en América Latina y el Caribe Santiago de Chile: FLACSO-Chile, Catalonia, 2008, pp. 379. [PDF]

open access: yes, 2011
Luis Solís Rivera y Francisco Rojas Aravena (ed.). Crimen Organizado en América Latina y el Caribe Santiago de Chile: FLACSO-Chile, Catalonia, 2008, pp ...
Ortíz Sakris, Miguel
core   +1 more source

THE MASSIFICATION PROCESS IN CHINESE HIGHER EDUCATION [PDF]

open access: yes, 2014
This paper demonstrates the massification process in higher education using as reference China, which reached in a few years the largest university system in the world.
Costa, Danilo de Melo, Zha, Qiang
core   +4 more sources

Mulching Increases Water Use Efficiency, Production and Profitability in Forage Cactus–Maize Intercropping Systems

open access: yesIrrigation and Drainage, EarlyView.
ABSTRACT This study evaluated the growth, forage production, soil water balance, water indices, biological efficiency and competitive capacity of forage cactus and maize in monoculture and intercropping, with or without mulch. The experiment was conducted in Serra Talhada, Pernambuco, Brazil, using the cactus clone ‘Orelha de Elefante Mexicana’ (OEM ...
Kaique Renan da Silva Salvador   +13 more
wiley   +1 more source

Patient Dose Optimisation of Abdominopelvic Protocols During X‐Ray Imaging

open access: yesJournal of Medical Radiation Sciences, EarlyView.
This study evaluates organ doses in abdominopelvic radiography for both erect and supine positions, addressing dose optimisation concerns in Ghana. Using CalDose X and thermoluminescence dosimeters, organ doses and image quality were analysed, revealing significant dose reductions with optimised exposure parameters (70 kVp, 10 mAs, 110 cm FDD).
Emmanuel Ekem‐Ferguson   +3 more
wiley   +1 more source

Mechanical Reinforcement of Polymer Nanocomposites with Different Network Structure of Polymer Grafted Nanoparticles

open access: yesMacromolecular Materials and Engineering, EarlyView.
Due to the different conformation structures of the grafting chains on the surface of silica, the nanoparticles contact each other by brush chains and bridge into a polymer‐mediated nanoparticle network in HDPE14K/HDPE1K‐g‐SiO2 PNCs, resulting in a more significant modulus reinforcement than that of PP370K/PP90K‐g‐SiO2 PNCs with a soft interfacial ...
Ye Yao   +4 more
wiley   +1 more source

Escenarios demográficos en América Latina y el Caribe

open access: yesInvestigaciones Geográficas, 2003
El trabajo presenta algunos de los cambios demográficos registrados en América Latina y el Caribe, básicamente en el período 1970-2000. Desde los años sesenta se da en el área en estudio un incipiente proceso de envejecimiento por el aumento en la ...
María Inés Ortiz Álvarez   +2 more
doaj  

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