Zobrazeno 1 - 10
of 206
pro vyhledávání: '"M S Carvalho"'
Publikováno v:
Trends in Computational and Applied Mathematics, Vol 25, Iss 1 (2024)
This paper proposes an integrated control model that enables the pesticide use according to the prey density and the insertion of the natural enemy, the predators, by fuzzy linear programming. The fall armyworm Spodoptera frugiperda (Lepidoptera: Noc
Externí odkaz:
https://doaj.org/article/3103301595c44ec3b535a8e763230db1
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-9 (2023)
Abstract This paper presents an application of a novel quadratic unconstrained binary optimization (QUBO) formulation to the minimum loss problem in distribution networks. The proposed QUBO formulation was conceived to be employed in quantum annealin
Externí odkaz:
https://doaj.org/article/e23873d944654a86b677f4d90d6e94c8
Publikováno v:
Materials Research, Vol 26 (2023)
In this paper, the oxidation behavior of silicon nitride with different contents of TiN was evaluated at 1400 oC for 64 hours in air. The oxidized samples were characterized by X-ray diffraction, scanning electron microscopy and energy dispersive X-r
Externí odkaz:
https://doaj.org/article/636f47b8e047403b96917067f6d913fe
Publikováno v:
BMC Medical Informatics and Decision Making, Vol 23, Iss 1, Pp 1-17 (2023)
Abstract Background Intensive Care Unit (ICU) readmissions represent both a health risk for patients,with increased mortality rates and overall health deterioration, and a financial burden for healthcare facilities. As healthcare became more data-dri
Externí odkaz:
https://doaj.org/article/576a44d4886e431a871f91d95eaacbb9
Publikováno v:
Innovative Marketing, Vol 19, Iss 1, Pp 1-12 (2023)
Inclusivity and corporate social responsibility (CSR) in a community where ethnic diversity and conflict are very low compared to other countries still need to be researched more. This study aims to analyze university students’ awareness of inclusi
Externí odkaz:
https://doaj.org/article/ff2a0f90297a4d95ac58b1a813a9429f
Publikováno v:
Trends in Computational and Applied Mathematics, Vol 24, Iss 3 (2023)
O objetivo desse artigo é a formação e a otimização de carteiras de investimento e com ações negociadas na B3 e baseada na teoria de diversificação do modelo de Markowitz e na Programação Quadrática. Considerou-se a minimização do risco
Externí odkaz:
https://doaj.org/article/5e37d26d82994c3f91b3b0e4e37938c2
Autor:
Paulo Delgado, João M. S. Carvalho
Publikováno v:
Desidades, Vol 0, Iss 34 (2023)
O projeto ISCWeB – Children’s Worlds (http://www.isciweb.org/) é desenvolvido pela International Society of Child Indicators (ISCI), com o apoio de peritos da OCDE, UNICEF e World Vision. Com este projeto recolhem-se dados sobre as vidas das cri
Externí odkaz:
https://doaj.org/article/ac7b76bfc2e9490bb0def0bfc631b9f2
Autor:
João M. S. Carvalho
Publikováno v:
Emerging Science Journal, Vol 6, Iss 1, Pp 14-36 (2022)
This study had three objectives: to discover the main concepts and theories used in research around entrepreneurship; systematize the entrepreneurial process in a model that allows teaching it more efficiently, and substantiate the model by applying
Externí odkaz:
https://doaj.org/article/8400311e493a4b17beb8528fbf8b33e0
Publikováno v:
Revista Portuguesa de Investigação Educacional, Iss 23 (2022)
Mais de uma década desde a entrada em vigor do modelo de gestão e administração escolar português, urge conhecer e interpretar as perspetivas dos Diretores das escolas do Ensino Básico e Secundário sobre a aplicação dos normativos em vigor.
Externí odkaz:
https://doaj.org/article/f523f0d749e440ca8cffcc09c7a87894
Publikováno v:
Energies, Vol 16, Iss 6, p 2887 (2023)
Due to the intermittent and variable nature of wind, Wind Power Generation Forecast (WPGF) has become an essential task for power system operators who are looking for reliable wind penetration into the electric grid. Since there is a need to forecast
Externí odkaz:
https://doaj.org/article/a9b02c1aef9846afbf38e52fdf2150e6