Results 61 to 70 of about 173,944 (192)

ANÁLISE DA UNIFORMIDADE DE DISTRIBUIÇÃO DE ÁGUA DE UM EQUIPAMENTO AUTOPROPELIDO

open access: yes, 2005
ANALISE DA UNIFORMIDADE DE DISTRIBUICAO DE AGUA DE UM EQUIPAMENTO AUTOPROPELIDO   Felizardo Adenilson Rocha1; Geraldo Magela Pereira2; Fernando da Silva Rocha3; Joseane Oliveira da Silva41Departamento de Engenharia Agricola, Universidade Federal de ...
Felizardo Adenilson Rocha   +3 more
semanticscholar   +1 more source

Simpósio "Agricultura, Energia e Ambiente" [PDF]

open access: yes, 2013
O crescimento populacional esperado para os próximos anos conduzirá à necessidade de aumentar a produção agrícola de modo a satisfazer o aumento da procura.
Baptista, F   +3 more
core  

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

Local Probing ErCrO3

open access: yesCrystals, 2022
Local distortions in perovskite-like orthochromites are of extreme importance for the properties they exhibit. Here, we present the results of structural and DC magnetisation measurements combined with local probe studies in polycrystalline ErCrO3.
Gonçalo N. P. Oliveira   +4 more
doaj   +1 more source

O ensino de engenharia biológica na Universidade do Minho [PDF]

open access: yes, 2002
Nos anos 80, a Biotecnologia foi considerada, a nível mundial, como uma das áreas prioritárias de desenvolvimento. Isto levou a que algumas universidades portuguesas começassem a oferecer alguma formação no domínio da Bioengenharia, essencialmente ...
Ferreira, E. C., Teixeira, J. A.
core  

A Deep Learning Framework for Forecasting Medium‐Term Covariance in Multiasset Portfolios

open access: yesJournal of Forecasting, EarlyView.
ABSTRACT Forecasting the covariance matrix of asset returns is central to portfolio construction, risk management, and asset pricing. However, most existing models struggle at medium‐term horizons, several weeks to months, where shifting market regimes and slower dynamics prevail.
Pedro Reis, Ana Paula Serra, João Gama
wiley   +1 more source

Mulheres nas ciências e tecnologias : escolhas e constrangimentos [PDF]

open access: yes, 2011
Dissertação de mestrado integrado em Psicologia (área de especialização em Psicologia Escolar e da Educação)O Género destaca-se como uma das barreiras que mais limita a liberdade de escolha dos e das jovens, em termos escolares e profissionais ...
Martins, Patrícia Susana Moura
core  

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

Fat saturation in breast dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI): comparison between DIXON and SPAIR techniques

open access: yesSaúde & Tecnologia, 2015
Introduction – Breast MRI with contrast injection is an indispensable tool for the characterization of breast lesions. To achieve this, good fat saturation is important in order to delimit the lesions.
Regina Rosa, Hugo Ferreira
doaj   +1 more source

The neuroprotective effect of traditional Chinese medicinal plants—A critical review

open access: yesActa Pharmaceutica Sinica B, 2023
Neurodegenerative and neuropsychiatric diseases are increasingly affecting individuals' quality of life, thus increasing their cost to social and health systems.
João Moreira   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy