Results 121 to 130 of about 8,548,220 (283)

Sustancia y valor de una historia social

Historia Mexicana El Colegio de México, 1957
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Frank A. Knapp
doaj  

Design of azine antioxidants for sustainable biodiesel: integrating structural characterization and molecular modeling

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract The growing global demand for sustainable energy solutions has intensified the search for renewable alternatives to fossil fuels, with biodiesel emerging as a promising candidate due to its biodegradability and lower emissions. However, its large‐scale application is limited by low oxidative stability, which compromises storage and performance.
Patricia R. S. Wenceslau, Chris H. J. Franco, Leonardo R. de Almeida, Vitor S. Duarte, Ronaldo G. F. Junior, Guilherme Paixão, Antônio S. N. Aguiar, Gilberto L. B. de Aquino, Leonardo G. Costa, Leonardo L. Borges, Hamilton B. Napolitano   +10 more
wiley   +1 more source

Circular economy assessment of biomethane value chain in Brazil

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract From the numerous opportunities to add value to biomass in Brazil, biomethane production in sugarcane mills presents significant potential. This study introduces a diagnostic framework grounded in circular economy (CE) principles to assess new biomethane projects, aligning with the strategic objectives of product diversification, full biomass ...
Luciana Fonseca Moreira, Fábio Oroski, Flávia Chaves Alves, José Vitor Bomtempo   +3 more
wiley   +1 more source

Valorization of bark extracts from Cerrado and Amazon species: phenolic characterization, antioxidant capacity, and photoprotective potential for circular bioeconomy applications

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract Tree bark remains an underexploited source of high‐value‐added phenolic compounds with potential circular bioeconomy applications. This work characterized bark extracts from two species of distinct Brazilian biomes, Stryphnodendron adstringens (Cerrado) and Myrcia eximia (Amazon), obtained with three solvents (ethanol, methanol and acetone ...
Mário Sérgio Lorenço, Danilo José Machado de Abreu, Elesandra da Silva Araujo, Uasmim Lira Zidanes, Laise de Jesus dos Santos, Denisse Concepción Vega Villarruel, Elisângela Elena Nunes Carvalho, Fábio Akira Mori   +7 more
wiley   +1 more source

Development and evaluation of a microwave‐assisted continuous system for olive pomace oil extraction and in‐line esterification/transesterification

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract This study developed and evaluated a preliminary continuous microwave‐assisted system integrating oil extraction from olive pomace and subsequent conversion into fatty acid ethyl esters (FAEEs) in a single processing unit. A conventional microwave oven was adapted for continuous operation by incorporating magnetron power adjustment and a ...
Luís F. Barth, João H. C. Wancura, Rafael C. Beltrame, Flávio D. Mayer   +3 more
wiley   +1 more source

Chilean science teachers' conceptualisations of disability when teaching students with autism

British Educational Research Journal, EarlyView.
Abstract This study examines how Chilean secondary science teachers conceptualise disability when teaching students with autism in integrated classroom settings. Grounded in critical disability studies, the research employs a qualitative story‐completion method, using a fictional classroom scenario to prompt teachers to construct narratives that reveal
Alexis Gonzalez‐Donoso, Fabian Arroyo‐Rojas   +1 more
wiley   +1 more source

A Systemic Model for Understanding Business Interactions With Biodiversity and Ecosystems

Business Strategy and the Environment, EarlyView.
ABSTRACT Biodiversity loss and ecosystem degradation represent critical threats to human well‐being and economic resilience, challenging businesses to understand and manage their interdependence with natural systems. This study develops a systemic framework—the BioModel—that elucidates the reciprocal relationship between businesses, biodiversity, and ...
Lino Cinquini, Giacomo Pigatto, Andrea Tenucci   +2 more
wiley   +1 more source

Innovation‐Led Sustainability in the Agri‐Food Sector: Evidence From the Global Food and Beverage Industry

Business Strategy and the Environment, EarlyView.
ABSTRACT The agri‐food sector is vital to economic development, but it exerts significant environmental and social pressures. This study draws on the natural resource‐based view. It investigates the strategic sustainability‐performance nexus in the global food and beverage industry using a longitudinal dataset (2013–2023) of 633 firms across the EU ...
Alessandro Bernardo, Domizia Vescovo, Riccardo Censi, Roberto Ruggieri, Donatella Restuccia, Paola Campana   +5 more
wiley   +1 more source

ESG Decoupling Phenomenon: A Systematic and Bibliometric Analysis

Business Strategy and the Environment, EarlyView.
ABSTRACT ESG decoupling, defined as the gap between a firm's ESG disclosures and its actual practices, poses a critical challenge to corporate sustainability. Using the PRISMA protocol, 451 articles were selected for a comprehensive bibliometric and systematic literature review to map the intellectual structure and thematic evolution of the research on
Maryam Laeeq, Farida Akhtar, Han Lin Shang   +2 more
wiley   +1 more source

DEMOCRACIA Y VALORES SOCIALES

Reflexão
La teoria democrática de Michael Walzer ocupa un lugar ambiguo en las corrientes actuates de filosofia politica. Walzer ha sido precipitadamente classificado dentro del grupo de los "comunitaristas" en virtude de su empleo abundante del linguage integracionista de los "significados compartidos".
openaire   +1 more source