Results 141 to 150 of about 981,840 (292)

Integrated biorefinery for cellulosic ethanol and spherical nanolignin production from coconut waste

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Green coconut waste was subjected to different fractionation methods to obtain integrated lignin nanoparticles and cellulosic ethanol. Pretreatment with gradual addition of dilute sulfuric acid provided a higher structural hemicellulose precursor yield (68.2%).
Ricardo Marchezan Farias de Mesquita   +7 more
wiley   +1 more source

Macaúba (Acrocomia aculeata) pulp oil ethylic biodiesel using lipase from Aspergillus oryzae: kinetic and process parameters

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Macaúba (Acrocomia aculeata), a native species from Brazilian biomes, has emerged as a sustainable alternative to vegetable oil production. Its fruit presents high oil yield (3–6 ton/ha), extracted from its kernel and pulp. While the kernel is suitable for food and cosmetics application, the pulp oil has been considered as a promising ...
Maria Luiza M. B. B. Gonçalves   +4 more
wiley   +1 more source

Valores profesionales en la formación universitaria

open access: yesRevista Electrónica de Investigación Educativa, 2010
Una de las funciones esenciales de la universidad es la capacitación profesional. El ejercicio correcto de una profesión requiere no sólo el dominio de competencias técnicas, sino también el desarrollo de valores éticos.
Pilar M. Casares García   +2 more
doaj  

Unveiling opportunities and challenges for a circular approach to macaúba biorefining: a technological roadmap

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract The macaúba fruit, native to tropical and subtropical regions, has received considerable attention in recent years as a promising raw material for the production of advanced biofuels in Brazil. However, the development of large‐scale biomass requires overcoming significant challenges, such as designing circular biorefineries.
Fábio de A. Oroski   +3 more
wiley   +1 more source

Superintendencia del Mercado de Valores

open access: yes, 2016
3 ejemplares de ...
Quintero de Stanziola, Marelissa
core   +1 more source

Kikuyu grass clippings as a bioeconomy feedstock: influence of pyrolysis conditions on biochar properties and its effect on the growth of Swiss chard

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract The integration of urban organic waste streams into the bioeconomy is critical for advancing the water–food–energy nexus. Grass clippings, an abundant and underutilized municipal residue, represent a promising feedstock for producing value‐added materials.
Ami Janse van Rensburg   +2 more
wiley   +1 more source

Contratos de intermediação no código dos valores mobiliários

open access: yes, 2000
Separata do Nº 7 dos Cadernos do Mercado de Valores Mobiliários Abril de ...
Duarte, Rui Pinto
core  

A system dynamics‐based framework for bioenergy planning in sub‐Saharan Africa: integrating circular bioeconomy and Fourth Industrial Revolution technologies

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Energy scarcity remains a persistent challenge in sub‐Saharan Africa (SSA), where limited access to reliable, affordable, and clean energy constrains socioeconomic development. Biomass resources, including agricultural residues, forest waste, and waste from other biological sources, are widely available, but their use for modern energy ...
Joseph O. Dirisu   +2 more
wiley   +1 more source

Pensar la pornografía

open access: yesPsicosomática y Psiquiatría, 2021
Gemma Mestre-Bach
doaj  

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