Results 21 to 30 of about 46,610 (237)

Crystal Engineering of Reticular Materials for Gas‐ and Liquid‐Phase Hydrocarbon Separation

open access: yesAdvanced Materials, EarlyView.
Crystal engineering enables systematic study of structure/function relationships as exemplified by pore engineering of reticular sorbents, including porous coordination networks and covalent organic frameworks. This review assesses such studies applied across the full scope of industrially relevant hydrocarbon separations to provide insight into how ...
Xia Li   +2 more
wiley   +1 more source

Evaluación de la producción de biogás a partir del buchón de agua mediante codigestión anaerobia con estiércol bovino [PDF]

open access: yes, 2016
En esta investigación se llevó a cabo el montaje a escala laboratorio para la evaluación de la producción de biogás a partir del buchón de agua en codigestión anaerobia con estiércol bovino -- Durante el desarrollo experimental se realizaron mediciones ...
López Aguirre, Ana María   +1 more
core  

Ecosystem‐Centered Robot Design: Toward Ecoresorbable Sustainability Robots (ESRs)

open access: yesAdvanced Science, EarlyView.
Robots exploring natural ecosystems can support monitoring and conservation, but must adopt ecosystem‐centered design to avoid pollution, waste, and damage. This review proposes guidelines for co‐designing ecoresorbable sustainability robots (ESRs), uniting materials, robotics, and ecological contexts in a single framework.
Tülin Yılmaz Nayır   +4 more
wiley   +1 more source

Obtención de biogás como alternativa ecológica para el cuidado del medio ambiente. [PDF]

open access: yes, 2014
Aun en pleno Siglo XXI el gas natural no es accesible para todos los habitantes de nuestro país y del mundo en general, en muchos lugares se utiliza el gas butano, pero este puede ser muy peligroso.
Cortes Coss, Agustín   +3 more
core  

Markets Mitigate Land‐Use Competition From Energy Crops and Increase Farm Revenues

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT Meeting the US Sustainable Aviation Fuel Grand Challenge target of 35 billion gal annually by 2050 will require an estimated 380 million–700 million dry tons of agricultural biomass feedstock. This study evaluates the implications of large‐scale biomass production for land use, crop production, and market outcomes under mature market ...
Daniel G. De La Torre Ugarte   +2 more
wiley   +1 more source

Diseño técnico de un sistema de cuantificación de metano portable y de bajo costo

open access: yesIngeniería, 2023
Contexto: A partir de un análisis desarrollo de la tecnología en biodigestores, se observó un problema recurrente en la cuantificación rigurosa del metano. mediante una revisión bibliográfica reveló sistemas poco eficientes o de costos elevados.
Juan Andres Tovar-Sánchez   +3 more
doaj   +1 more source

The Future of Hydrogen‐Powered Aviation: Technologies, Challenges, and a Strategic Roadmap for Sustainable Decarbonization

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
Hydrogen‐powered aviation offers a transformative pathway to zero‐emission flight by eliminating in‐flight CO2 emissions. Key considerations include propulsion systems (fuel cells and hydrogen combustion), cryogenic storage and insulation challenges, infrastructure and cost barriers, and supply‐chain constraints.
Mubasshira   +4 more
wiley   +1 more source

Estudio de factibilidad de producción de biogás en Pueblo Rico Risaralda [PDF]

open access: yes, 2016
Temas como el cuidado del medio ambiente y el desarrollo sostenible son ampliamente tratados y discutidos alrededor del mundo, por ello nuestra investigación se centra y hace referencia a la factibilidad de la producción de biogás haciendo un uso ...
Acevedo Corrales, Luis Felipe   +1 more
core  

Breaking Down Lignin: A Macromolecule's Path to the Nanoscale

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
This section highlights lignin's critical role as a sustainable, multifunctional precursor for nanomaterial design. Its unique structure and abundance enable the creation of lignin‐based, lignin‐derived, and hybrid nanomaterials with tunable properties. Emphasis is placed on lignin's potential to drive innovation in nanotechnology, offering ecofriendly
Jelena Papan Djaniš   +3 more
wiley   +1 more source

INFLUÊNCIA DA TEMPERATURA NO DESEMPENHO DE BIODIGESTORES COM ESTERCO BOVINO

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 1998
RESUMO A presente pesquisa trata do estudo de biodigestores de batelada mantidos a diferentes temperaturas, visando analisar os níveis mais favoráveis à produção de biogás e à degradação de sólidos totais e voláteis de esterco bovino.
Larissa Rodrigues de Castro   +1 more
doaj   +1 more source

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