Results 71 to 80 of about 171,892 (245)

Poly(Ionic) Liquid‐Enhanced Ion Dynamics in Cellulose‐Derived Gel Polymer Electrolytes

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
Advancing Energy Storage: Gel Polymer Electrolytes with Promising Potential Gel polymer electrolytes (GPEs) incorporating methyl cellulose and a range of ionic/polymeric achieved Li+ transference numbers comparable to traditional liquid electrolytes.
Tiago G. Paiva   +7 more
wiley   +1 more source

Um experimento didático em termogravimetria: estudo da degradação térmica de amostras comerciais de PVC e PVAc

open access: yesRevista Principia, 2007
O Estudo da degradação térmica de amostras comercias de Cloreto e Acetato de Polivinila é proposto como experimento didático para a introdução do estudo da análise térmica nos cursos de graduação.
Robson Fernandes de Farias
doaj   +1 more source

O quanto vale a dor? Estudo sobre a saúde mental de estudantes de pós-graduação no Brasil

open access: yesPolis (Santiago), 2018
O alto indice de doencas mentais e uma realidade comum entre universitarios. Os desafios encontrados na vida academica, principalmente na pos-graduacao, poem a prova a saude mental dos estudantes, levando muitos deles a desenvolverem transtornos ...
É. Costa, Letícia Nebel
semanticscholar   +1 more source

Freshwater fish functional diversity shows diverse responses to human activities, but consistently declines in the tropics

open access: yesEcography, EarlyView.
Freshwater environments are intertwined with human activities and the consequence has been environmental degradation and biodiversity loss. Fish provide key ecological and economic benefits, and fish abundance and diversity can be affected by human activities resulting in functional diversity (FD) changes that might scale up to ecosystem impacts ...
Romullo Guimarães de Sá Ferreira Lima   +3 more
wiley   +1 more source

Environmental and geomorphological drivers of frog diversity on islands worldwide

open access: yesEcography, EarlyView.
Island biogeography models primarily rely on island physical features and isolation to explain their biodiversity patterns. While newer models have incorporated functional traits to understand plant distribution, few empirical studies have tried to disentangle geometric constraints from niche‐based processes to predict multiple diversity facets of ...
Raoni Rebouças   +5 more
wiley   +1 more source

By‐product of heparin extraction as a sustainable alternative to enhance the use of nitrogen in agriculture

open access: yesEnvironmental Progress &Sustainable Energy, EarlyView.
Abstract This study evaluates the potential of a new organic fertilizer derived from porcine intestinal mucosa (designated BHE), a by‐product of the heparin extraction process, as a sustainable nitrogen (N) source for agriculture. The work was conducted in two stages: (i) chemical and spectroscopic characterization of BHE compared with poultry litter ...
Aline Zanquetti   +3 more
wiley   +1 more source

A MONOGRAFIA NA GRADUAÇÃO

open access: yesPretextos, 2018
O presente artigo é resultado da experiência das autoras no trabalho em orientação de monografias na graduação do curso de Psicologia da unidade São Gabriel da PUC Minas.
Valéria Freire de Andrade   +1 more
doaj  

Metabolic Plasticity and Terpenoid Modulation in Zanthoxylum armatum Callus Cultures: Chemical Composition and Biotechnological Perspectives

open access: yesFlavour and Fragrance Journal, EarlyView.
Graphical abstract illustrating the metabolic dynamics and regulation of terpenoid production in Zanthoxylum armatum callus cultures. On the left, callus initiation and growth from explants are shown, followed by the establishment of suspension cultures.
Sumit Purohit   +11 more
wiley   +1 more source

Educação interprofissional na graduação em Odontologia: experiências curriculares e disponibilidade de estudantes

open access: yesRevista de Odontologia da UNESP, 2018
Resumo Introdução Educação Interprofissional (EIP) é uma estratégia pedagógica que busca preparar o futuro profissional da saúde para o trabalho colaborativo. Objetivo Identificar experiências curriculares de EIP e avaliar a disponibilidade de estudantes/
Natália Noronha Tompsen   +3 more
semanticscholar   +1 more source

Does the Application Flow Rate of Nutrient Solutions Prepared in Brackish Water Affect Coriander Production?

open access: yesIrrigation and Drainage, EarlyView.
ABSTRACT Flow rates for applying nutrient solutions in hydroponic systems are empirically known, yet uncertainties remain regarding whether brackish water affects the optimal flow rate and, consequently, biomass production and allocation. This study evaluated whether variations in application flow rate affect coriander biomass when brackish water is ...
Raphaela Revorêdo Bezerra   +7 more
wiley   +1 more source

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