Results 51 to 60 of about 550,878 (300)

Organismos internacionales y actores subnacionales [PDF]

open access: yes, 2016
El plan de trabajo se plantea analizar el rol de los organismos financieros internacionales en las estrategias implementadas por los gobiernos subnacionales de la Provincia de Buenos Aires orientadas al desarrollo territorial. El objetivo de este trabajo
Carcedo, Juan Facundo
core  

A Functional 2D Carbon Allotrope Combining Nanoporous Graphene and Biphenylene Segments

open access: yesAdvanced Materials, EarlyView.
The synthesis of a novel nanoporous graphene (NPG) is reported with biphenylene segments via thermal fusion of 12‐armchair porous graphene nanoribbons grown on gold surfaces. Characterization using STM, AFM, and DFT reveals low‐defect semiconducting behaviour and tunable band gaps.
Paula Angulo‐Portugal   +14 more
wiley   +1 more source

La segunda ola de gobiernos progresistas en América Latina: contexto económico internacional y análisis descriptivo

open access: yesEl Ágora USB
El presente artículo analiza las relaciones socioeconómicas que intervienen en la configuración propia del devenir del proceso gubernamental y estatal, particularmente en los procesos desplegados en la región de América Latina desde el año 2018 con el ...
John Freddy Gómez Celi
doaj   +1 more source

Catalysts for Change: Three Case Studies of Quality Education Worldwide [PDF]

open access: yes, 2007
Public education is the cornerstone of democracy and is absolutely fundamental to a democratic, civil and prosperous society. Beyond the boundaries of the United States, other countries are working to provide quality education to their children through ...

core  

Mesoporous Silica Nanoparticles in Biomedicine: Advances and Prospects

open access: yesAdvanced Materials, EarlyView.
Mesoporous silica nanoparticles offer unique properties like high surface area, tunable pores, and functionalization. They excel in drug delivery, tissue engineering, and stimuli‐responsive therapies, enabling targeted and controlled treatments. With roles in cancer therapy and diagnostics, their clinical translation requires addressing challenges in ...
Miguel Manzano, María Vallet‐Regí
wiley   +1 more source

Información de estudiantes universitarios sobre el uso inapropiado de la ciencia

open access: yesRevista Interuniversitaria de Formación del Profesorado, 2017
El cometido original de la ciencia era servir a la humanidad. En las comunidades dedicadas a la producción de conocimiento algunos preguntan si se cumplió ese ideal, pues hoy los patrocinadores principales de la investigación son gobiernos y empresas, lo
Gilberto Fregoso Peralta   +1 more
doaj  

Report of the Inter-American Tropical Tuna Commission for the year 1955 [PDF]

open access: yes, 1956
ENGLISH: This is the fifth year of investigations, by the Inter-American Tropical Tuna Commission, of the fisheries for tunas and tuna-bait fishes in the Eastern Pacific Ocean adjacent to the shores of the Americas.

core  

2D Co‐Mo‐Hydroxide‐Based Multifunctional Material for the Development of H2‐Based Clean Energy Technologies

open access: yesAdvanced Materials, EarlyView.
2D α‐Co(OH)2 interleaved with Mo species displays an appealing dual functionality for the production and use of green hydrogen.Mo incorporation greatly benefits the electrochemical behaviour in Oxygen Evolution Reaction for H2 production, while the magnetocaloric response at liquid H2 temperature paves the way for alternative cryogenic refrigerants ...
Daniel Muñoz‐Gil   +14 more
wiley   +1 more source

Medios y política en América Latina: una comparación entre las elecciones del Brasil 2006 y el Perú 2011

open access: yesQuestion, 2012
Los nuevos gobiernos progresistas que han accedido a la presidencia en América Latina producen, en su vocación por confrontar con las corporaciones, nuevos conflictos con importantes conglomerados comunicacionales.
Ariel Alejandro Goldstein   +1 more
doaj  

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