Results 51 to 60 of about 1,883 (117)

Gestão dos herdeiros ou de profissionais nas empresas familiares: o caso da Perdigão The inherity or the professionally managers in the family companies: the Perdigão's case

open access: yesRevista de Economia Contemporânea, 2007
Este texto visa a analisar a história da Perdigão, da sua origem, em meados da década de 1930, até hoje. O artigo parte do estudo da passagem das empresas tradicionais e familiares para as firmas modernas, com administração profissional.
Armando João Dalla Costa
doaj   +1 more source

Nanocomposite hybrids of cashew apple bagasse‐derived lignin with photoprotective properties for sunscreen applications

open access: yesBiofuels, Bioproducts and Biorefining, Volume 19, Issue 4, Page 1100-1109, July/August 2025.
Abstract Prolonged exposure to ultraviolet (UV) radiation can cause significant damage to the skin and immune system. There has consequently been an increasing emphasis on the development of biodegradable and sustainable materials that offer UV protection, reflecting increased awareness of health and disease prevention. Due to its high concentration of
Tigressa Helena Soares Rodrigues   +4 more
wiley   +1 more source

Synthesis of biofuel esters catalyzed by lipase B from Candida antarctica immobilized on a magnetic lignin‐based support derived from cashew apple bagasse

open access: yesBiofuels, Bioproducts and Biorefining, Volume 19, Issue 4, Page 1165-1173, July/August 2025.
Abstract This study investigated the biosynthesis of ethyl oleate (EO), the main constituent of biodiesel, via the esterification of oleic acid with ethanol, catalyzed by Candida antarctica lipase B (CALB) immobilized on a low‐cost support derived from cashew apple bagasse (CAB) lignin.
Hilldyson Moreira Levy   +5 more
wiley   +1 more source

Assessment of ornamental grass accessions under varying salinity levels

open access: yesOrnamental Horticulture
Lawns play a key role in enhancing public spaces, preventing soil erosion, and acting as barriers against dust and sludge. In Brazil, Paspalum notatum is widely cultivated for its adaptability to the country’s ecosystems and the availability of native ...
Léa de Oliveira da Costa   +3 more
doaj   +1 more source

Análise do sistema logístico de recepção de cana-de-açúcar: um estudo de caso utilizando simulação discreta Analysis of the logistics supply system of sugar cane: a case study using discrete simulation

open access: yesGestão & Produção, 2002
Os sistemas logísticos são hoje fundamentais para melhorar a eficiência operacional de usinas de cana-de-açúcar, pois atuam na integração de operações agrícolas e industriais.
Ana Paula Iannoni, Reinaldo Morabito
doaj   +1 more source

A Double Edge‐Sword in Antarctica: In Situ Passive Warming Exacerbates Drought and Heat Stress Differentially in the Native Vascular Species

open access: yesPhysiologia Plantarum, Volume 177, Issue 4, July/August 2025.
ABSTRACT We investigated the impact of open‐top chamber (OTC) passive warming systems at molecular and ecophysiological levels on Deschampsia antarctica (DA) and Colobanthus quitensis (CQ) in Antarctica. In this field campaign, OTC led to more benign conditions early in the growing season but ultimately intensified drought stress and increased extreme ...
Jorge Gago   +10 more
wiley   +1 more source

Seasonal variability of the antimicrobial activity of the essential oil of Lippia alba

open access: yesRevista Ciência Agronômica
Lippia alba is a shrub of the Verbenaceae family, popularly known as lemon balm. It's essential oil is said to have broad-spectrum antimicrobial activity whose effectiveness varies according to its composition, which is influenced by both biotic and ...
Terezinha Feitosa Machado   +2 more
doaj   +1 more source

Efeitos locais dos determinantes do crescimento da agroindústria no Brasil

open access: yesEstudios Económicos, 2021
Este estudo tem por objetivo analisar o crescimento da agroindústria no Brasil no período de 2006 a 2016. Para tanto utilizou-se a Análise Exploratória de Dados Espaciais (AEDE) e a Regressão Ponderada Geograficamente (RPG).
Jackelline Favro   +1 more
doaj  

Programação linear em uma agroindústria: planejamento, redimensionamento e maximização do lucro. O caso de Guaraqueçaba-PR

open access: yesActa Scientiarum. Agronomy, 2008
Com o auxílio de um modelo de programação linear aplicado à Unidade de Transformação de Produtos Agrícolas de Batuva-PR, o presente trabalho tem como objetivo planejar o nível ótimo de transformação de banana in natura em passa e bala.
Jorge Luiz Moretti de Souza   +2 more
doaj   +1 more source

Production of strawberry cultivars in closed hydroponic systems and coconut fibre substrate

open access: yesRevista Ciência Agronômica, 2014
The objective of this work was to evaluate yield and average fruit weight of strawberry cultivars Albion, Camarosa, Festival and Oso Grande, in two closed hydroponic systems (gutters and grow bags), using coconut fibre as substrate.
Fabio Rodrigues de Miranda   +4 more
doaj  

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