Results 161 to 170 of about 3,407,736 (336)

Aproximación conceptual al mundo de los valores [PDF]

open access: yes, 2004
Con la intencionalidad de clarificar las concepciones sobre los valores en la sociedad del conocimiento, se tratan algunas cuestiones del tema inagotable de los valores, tales como los algunos de los más relevantes principios axiológicos, la motivación ...
Pestaña de Martínez, Pilar
core   +1 more source

Global trends and challenges in biogas purification and CO2 capture for renewable energy and climate mitigation

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Biogas purification technologies facilitate the production of value‐added products such as biomethane and industrial chemicals. This review was based on the assumption that biogas purification is underrepresented in the literature despite its significant potential for clean energy and greenhouse gas mitigation, warranting a comprehensive ...
Priscila Marchiori   +6 more
wiley   +1 more source

¡Démosle valor!

open access: yes, 2019
El trabajo académico presentado consiste en un proyecto profesional que pretende cumplir los objetivos establecidos por el briefing impuesto por la comisión. Se divide en tres partes, una primera parte teórica, de recopilación y análisis de datos, tantos internos al anunciante como de su competencia.
Ulloa Celador, Jorge   +1 more
openaire   +1 more source

Biochar in the circular bioeconomy: a bibliometric analysis of technologies, applications, and trends

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Biochar has attracted considerable attention in recent years for its wide‐ranging applications, particularly its role in carbon sequestration as a strategy to mitigate greenhouse gas emissions. Its emerging uses within the circular bioeconomy also position it as a valuable tool for environmental management, and ongoing research continues to ...
Jean Agustin Velasquez‐Pinas   +6 more
wiley   +1 more source

Production of a nutrient enriched biochar: a techno‐economic feasibility analysis

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract A techno‐economic feasibility analysis was conducted for a biomass pyrolysis plant that utilized Eucalyptus to produce fertilizer‐enriched biochar. Key parameters – biomass throughput, fertilizer loading, and selling price – were optimized for financial viability using net present value (NPV), internal rate of return (IRR), return on ...
Brendon Trollip, Ryan David Merckel
wiley   +1 more source

Optimizing jojoba oil methanolysis of cis‐13‐docosenol fatty alcohol to unveil its immunomodulatory potential: a circular biorefinery perspective

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract The sustainable production of jojoba oil derivatives depends on research and development focused on eco‐friendly valorization processes. This study establishes optimal conditions for converting jojoba oil into jojobyl alcohols, which is a key step in realizing its economic potential.
Laura Mendoza‐García   +3 more
wiley   +1 more source

Valor do exame urológico no diagnostico diferencial dos tumores do abdomen

open access: gold, 1941
Carlos Moraes Barros   +1 more
openalex   +2 more sources

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