Results 31 to 40 of about 726 (115)

Agronomic Biofertilizer Potential of a Cyanobacterium‐Enriched Culture

open access: yesPhysiologia Plantarum, Volume 178, Issue 1, January/February 2026.
ABSTRACT Microalgae‐ and cyanobacteria‐based biofertilizers are valuable resources for sustainable agricultural practices. Though abundant in soils, their biotechnological potential remains underexplored, with only a few species acknowledged for agricultural applications.
Marta V. Mendes   +8 more
wiley   +1 more source

Avaliação do sistema de monitoramento computadorizado de digestão in vitro: 1. Testes preliminares

open access: yesRevista Brasileira de Zootecnia, 2000
O objetivo deste trabalho foi testar o sistema de monitoramento computadorizado da produção de gás in vitro. Essa técnica facilita estudos da degradação das frações solúveis e insolúveis das forragens, quantificadas pela produção de gás (CO2 e CH4 ...
Fábio Prudêncio de Campos   +3 more
doaj  

Aplicação de um modelo matemático na simulação da produção e importação de gás natural no Brasil até 2017

open access: yesRevista Produção Online, 2010
O governo federal, por meio de política de desenvolvimento, pretende ampliar a participação do gás natural na matriz energética nos próximos anos. Essa ampliação irá produzir um aumento da capacidade de abastecimento de energia elétrica com uso da ...
Antonio Carlos Gracias   +1 more
doaj   +1 more source

Advances in Low‐Carbon Hydrogen Production via Anaerobic Digestion: A Review of the Processes, Challenges, and Future Perspectives

open access: yesInternational Journal of Chemical Engineering, Volume 2026, Issue 1, 2026.
Hydrogen production through anaerobic fermentation has gained prominence among researchers as a promising ecological route, capable of combining the treatment of highly polluting waste with the generation of a clean fuel. Hydrogen is considered a strategic energy carrier for the transition and restructuring of the global energy matrix, as it is a ...
Adrielle S. dos Santos   +6 more
wiley   +1 more source

On‐farm observations of socioenvironmental impacts of Humulus lupulus L. cultivation in Brazil

open access: yesAgronomy Journal, Volume 117, Issue 5, September/October 2025.
Abstract Hops (Humulus lupulus L.) have been cultivated in Brazil, the world's third‐largest beer producer, to meet the growing demand of its expanding brewing industry. Despite advances in agricultural practices, research on the sustainability of tropicalizing hop production remains limited. This study evaluates the social and environmental impacts of
Viviany Viriato   +4 more
wiley   +1 more source

Ensiling on chemical composition and in vitro fermentation in rabbits of different forages

open access: yesCiência Rural
: The effect of chemical composition of silages on in vitro gas fermentation profiles in rabbits was examined. The study was performed using 7 silages: beans (Phaseolus vulgaris), faba bean (FB, Vicia faba), common vetch (CV, Vicia sativa), ryegrass ...
Juan Carlos Angeles Hernandez   +6 more
doaj   +1 more source

Decoding Brazil's bean belt: Spatiotemporal patterns, production systems and the pulse of bean production (2011–2022)

open access: yesGeo: Geography and Environment, Volume 12, Issue 2, July‐December 2025.
Short Abstract This study aimed to map consolidated bean production areas in Brazil and analyse their spatial‐temporal evolution from 2011 to 2022. Based on autocorrelation and relative frequency patterns, four primary bean belts were identified: South, Central Brazil, Mato Grosso and Northeast.
Clever Lucas Aguilar   +2 more
wiley   +1 more source

Avaliação do sistema de monitoramento computadorizado de digestão in vitro: 3. Desaparecimento da matéria seca e/ou FDN pela produção de gás

open access: yesRevista Brasileira de Zootecnia, 2000
RESUMO - Os objetivos deste trabalho foram avaliar o sistema de monitoramento computadorizado da produção de gás in vitro e compará-lo com os métodos in vivo e in situ.
Fábio Prudêncio de Campos   +4 more
doaj  

Comparação de substratos com diferentes quantidades de carboidratos solúveis utilizando a técnica in vitro semi-automática de produção de gases Comparison among substrates with different soluble carbohydrates concentration using the in vitro semi-automatic gas production technique

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2006
Estudou-se a diferença entre a produção de gases (PG) e a degradação da matéria seca (DMS) para substratos com diferentes quantidades de carboidratos solúveis avaliados pela técnica in vitro de produção de gases.
U.T. Nogueira   +2 more
doaj   +1 more source

Polyolefin and Polystyrene‐Derived Carbon Nanotubes: Catalysts for Oxidative Desulfurization Under a Biphasic System

open access: yesChemCatChem, Volume 17, Issue 11, June 6, 2025.
Polyolefins and polystyrene, simulating plastic solid waste (PSW), are transformed into value‐added carbon nanotubes (CNTs) through chemical vapor deposition (CVD). The CNTs are then applied in the oxidative desulfurization (ODS) of dibenzothiophene (DBT) in the oil–water biphasic system, resulting in C─S cleavage, yielding sulfur‐free products ...
Fernanda F. Roman   +8 more
wiley   +1 more source

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