Results 21 to 30 of about 2,671 (174)

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

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

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

Glycine‐Induced Unique Crystal Packing of Octacyanidetungstates With Strong Intermolecular Antiferromagnetic Interaction, Near‐Infrared Emission, and Second Harmonic Generation

open access: yesAngewandte Chemie, EarlyView.
Glycine molecules induce a unique crystal packing into a supramolecular one‐dimensional columnar structure of octacyanidotungstates, which exhibits exceptionally strong antiferromagnetic superexchange interactions of J = −42.41(2) K between adjacent octacyanidotungstate units.
Tatsuya Konishi   +8 more
wiley   +2 more sources

Argentina: entre o Mercosul e a Alca

open access: yesRevista Brasileira de Política Internacional, 2001
Este artigo procura mostrar que a Argentina não está numa encruzilhada na sua política externa, tendo que escolher entre Mercosul ou Alca. Ao contrário, a Argentina vê o Mercosul como um caminho que leva à Alca, afirmando uma posição que se tornou ...
Raúl Bernal-Meza, Silvia Quintanar
doaj   +1 more source

Effect of oral acetyl L-carnitine arginate on resting and postprandial blood biomarkers in pre-diabetics

open access: yesNutrition & Metabolism, 2009
Background Resting and postprandial oxidative stress is elevated in those with metabolic disorders such as diabetes. Antioxidant supplementation may attenuate the rise in oxidative stress following feeding. Therefore we sought to determine the effects of
Tucker Patrick S   +2 more
doaj   +1 more source

A ALCA e o interesse nacional brasileiro:

open access: yesRevista Espaço Acadêmico, 2020
Debate com os opositores da Alca, focando as seguintes perguntas:  1. Da controvérsia passional a um debate tendencialmente “socrático” 2. A Alca, o interesse nacional e a “dominação imperial”: um projeto fatal? 3.
Paulo Roberto Almeida
doaj  

El ALCA: libre comercio con plan de nación

open access: yesRealidad, 2001
El propósito del presente comentario es mostrar que el esperado éxito del Área de Libre Comercio de las Américas (ALCA) requiere explícitamente un plan de nación en cada país.
Francisco Javier Ibisate
doaj   +1 more source

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