Results 111 to 120 of about 22,628 (224)

La biotecnología, la lucha contra el cambio climático y los biocarburantes [PDF]

open access: yes, 2014
Este artículo es el resultado de la contribución de la autora al congreso 12th IUCNAEL Colloquium - 2014 “Energy for a fair society in a safe planet”, celebrado en Tarragona del 30 de junio al 5 de julio de 2014.La energía se agota y los biocarburantes ...
Hernández San Juan, Isabel
core   +3 more sources

Computational Analysis of Spray Angle Effects on Combustion and Emissions in Methane‐Diesel Dual‐Fuel Engine

open access: yesEnergy Science &Engineering, EarlyView.
This study concluded that wider spray angles produce wall impingement and greater unburned hydrocarbons in methane‐diesel dual‐fuel engines, whereas 110° balances efficiency and emissions. ABSTRACT A diesel methane dual fuel engine appears as a potential means for lowering emissions while retaining useful thermal efficiency.
Abdullah Al Rifat   +4 more
wiley   +1 more source

Prioritizing objectives to evaluate the environmental, economic and social impacts of biofuel in Spain [PDF]

open access: yes
A variety of opinions either in favour or against development of biofuels has risen in the last years related to the environmental, economic and social impacts that its diffusion could entail compared to petroleum. Although the EU, in general, and Spain,
Fernadez-Tirado, Francisca   +1 more
core   +1 more source

Actividad económica y emisiones de CO2 derivadas del consumo de energía en Cataluña, 1990-2005. Análisis mediante el uso de los balances energéticos desde una perspectiva input-output [PDF]

open access: yes, 2007
A lo largo del trabajo hemos analizado, tanto desde una perspectiva agregada, como posteriormente con todo el detalle posible, la evolución experimentada por estas emisiones, teniendo en cuenta las limitaciones de información .
Alcántara, Vicent   +3 more
core  

A Comprehensive Review of Biotechnological Innovations in Valorization of Food Waste: Enhancing Nutritional, Techno‐Functional Properties, and Process Optimization for Sustainable Product Development

open access: yesFood Frontiers, EarlyView.
This review highlights recent biotechnological innovations in the valorization of food waste through enzyme‐assisted processing and microbial fermentation to enhance nutritional, techno‐functional, and shelf‐stable properties for developing sustainable, plant‐based functional foods and nutraceuticals.
Md. Sakhawot Hossain   +6 more
wiley   +1 more source

Cold EI—The Way to Improve GC‐MS and Increase Its Range of Applications

open access: yesMass Spectrometry Reviews, EarlyView.
ABSTRACT Gas chromatography‐mass spectrometry (GC‐MS) with Cold electron ionization (EI) is based on interfacing the GC and MS with a supersonic molecular beam (SMB) along with electron ionization of vibrationally cold sample compounds in the SMB in a contact‐free fly‐through ion source (hence the name Cold EI).
Aviv Amirav   +3 more
wiley   +1 more source

Unraveling cryptic lineages in Jatropha nana: phylogenetic evidence supports species status for J. benghalensis (Euphorbiaceae)

open access: yesNordic Journal of Botany, EarlyView.
The taxonomic framework of the genus Jatropha (Euphorbiaceae) is well established, but its geophytic species present significant classification challenges. These difficulties arise from species complexes, cryptic traits, and high environmental and phenotypic variability.
Seema   +2 more
wiley   +1 more source

Technological Properties of Biocomposites Produced With Agro‐Industrial Castor Waste Applicable in the Thermal Insulation of Buildings

open access: yesPolymer Composites, EarlyView.
Biocomposites produced with agro‐industrial waste from castor hulls and pinewood bonded with urea‐formaldehyde adhesive, intended for application as thermal insulation in buildings. ABSTRACT The production of composite particleboards with agricultural waste has been the focus of many studies that aim to address environmental problems due to waste ...
Thamirys Andrade Lopes   +7 more
wiley   +1 more source

Actividad económica, consumo final de energía y requerimientos de energía primaria en Cataluña, 1990-2005. Análisis mediante el uso de los balances energéticos desde una perspectiva input-output [PDF]

open access: yes
Este trabajo analiza la evolución de los consumos finales de energía en Cataluña durante el periodo 1990-2005. En conjunto, los consumos finales de energía crecen por encima del crecimiento del PIB en términos reales.
Emilio Padilla Rosa   +2 more
core  

Hacia la diversificación energética: Bioenergía [PDF]

open access: yes, 2012
La apuesta por la sostenibilidad, el aumento de la producción interna, la exploración de otras fuentes de energía y, en la medida de lo posible, la conservación de recursos son una receta a tener en cuenta para reducir facotres como la contaminación y ...
Alemany-Arrebola, Luis Jose   +3 more
core  

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