Results 21 to 30 of about 50,831 (210)

ALCA: NEGOCIACIONES Y ESTRUCTURAS

open access: yesAportes para la Integración Latinoamericana, 2017
La autora aborda el período de negociaciones del ALCA desde su lanzamiento en 1994 hasta la finalización de la etapa preparatoria. Describe –a partir de 1998- el curso de las negociaciones propiamente dichas. Explica y comenta la estructura del ALCA, sus
CLARA AMZEL DE GINZBURG
doaj   +1 more source

Design of Economical and Achievable Aluminum Carbon Composite Aerogel for Efficient Thermal Protection of Aerospace

open access: yesGels, 2022
Insulation materials play an extremely important role in the thermal protection of aerospace vehicles. Here, aluminum carbon aerogels (AlCAs) are designed for the thermal protection of aerospace.
Yumei Lv   +6 more
doaj   +1 more source

Relevance of attributional and consequential life cycle assessment for society and decision support

open access: yesFrontiers in Sustainability, 2023
Life cycle assessment (LCA) is an essential tool for assessing the environmental impact of product systems. There are two main types: attributional LCA (ALCA), which assesses the global impact share of a product's life cycle, and consequential LCA (CLCA),
Thomas Schaubroeck
doaj   +1 more source

Enquadramentos teórico-conceituais sobre o fracasso da ALCA: uma análise a partir da atuação brasileira durante o Governo FHC (1995-2002)

open access: yesRevista Conjuntura Austral, 2018
Este artigo objetiva revisitar o processo de regionalização proposto pelos EUA para a América Latina e a forma pela qual o governo brasileiro, sob a presidência de Fernando Henrique Cardoso (1995-2002), levou a cabo as negociações de modo a prevenir sua ...
Klei Medeiros   +2 more
doaj   +1 more source

Ejercicio de unidad y autonomía de América Latina en la VI Cumbre de las Américas

open access: yesInternaciones, 2015
Lo que resalta de América Latina y el Caribe (ALC) durante estos últimos años, son sus logros en la unidad de sus gobiernos y la autonomía de sus Estados. Unidad política en la pluralidad ideológica de sus gobiernos.
Alberto Rocha Valencia
doaj   +1 more source

A revision of the fossil genus Miocepphus and other Miocene Alcidae (Aves: Charadriiformes) of the Western North Atlantic Ocean [PDF]

open access: yes, 2009
This study reviews and describes all known fossils of Alcidae from the Miocene of the western North Atlantic. Because the majority of alcid fossils recovered from Miocene sediments are allied with the genus Miocepphus Wetmore, 1940, the genus is revised ...
Olson, S.L., Wijnker, T.G.
core   +2 more sources

Testing for alpha-1 antitrypsin in COPD in outpatient respiratory clinics in Spain: A multilevel, cross-sectional analysis of the EPOCONSUL study [PDF]

open access: yes, 2018
Background Alpha-1 antitrypsin deficiency (AATD) is the most common hereditary disorder in adults, but is under-recognized. In Spain, the number of patients diagnosed with AATD is much lower than expected according to epidemiologic studies.
Alcázar Navarrete, Bernardino   +6 more
core   +1 more source

Seawater usable for production and consumption of hydrogen peroxide as a solar fuel

open access: yesNature Communications, 2016
The generation and storage of energy from renewable sources with robust and accessible technology is of significant and growing concern. Here, the authors demonstrate the solar generation of hydrogen peroxide from seawater as a viable route towards this ...
Kentaro Mase   +3 more
doaj   +1 more source

Utility of serological markers in inflammatory bowel diseases: Gadget or magic? [PDF]

open access: yes, 2007
The panel of serologic markers for inflammatory bowel diseases (IBD) is rapidly expanding. Although anti-Saccharomyces cerevisiae antibodies (ASCA) and atypical perinuclear antineutrophil cytoplasmic antibodies (P-ANCA) remain the most widely ...
Altorjay, István   +3 more
core   +1 more source

Bioreactivity of stent material: Activation of platelets, coagulation, leukocytes and endothelial cell dysfunction in vitro

open access: yesPlatelets, 2017
Outcome of patients with coronary artery disease has been significantly improved by percutaneous coronary interventions with stent implantation. However, despite progress made on devices and antithrombotic treatments, stent thrombosis remains an ...
Veronique Ollivier   +8 more
doaj   +1 more source

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