Results 51 to 60 of about 259,016 (251)

Uma aventura chamada Tupi: os primeiros anos da tv brasileira

open access: yesRumores, 2013
O Brasil, com a inauguração da TV Tupi em 1950, foi um dos cinco primeiros países do mundo a ter televisão e o primeiro da América latina. O invento, que se tornou uma paixão nacional, mesmo restrito inicialmente às classes mais altas, desde o começo ...
Flávio Lins
doaj   +1 more source

Artificial Intelligence–Based Online Symptom Assessment Tools for Systemic Lupus Erythematosus Diagnosis: Patient Perspectives

open access: yesArthritis Care &Research, EarlyView.
Objective The objective of this article is to identify perceptions of patients with systemic lupus erythematosus (SLE) regarding artificial intelligence (AI)–based online symptom assessment tools, and the potential of these tools to address diagnostic barriers.
Olivia A. Stein   +7 more
wiley   +1 more source

Brasil

open access: yesRevista Gestão e Secretariado – GESEC
Este trabalho é uma análise probabilística de viabilidade de investimento, calculando o VPL e utilizando a simulação de Monte Carlo, para um investimento no segmento de marmitex delivery. O objetivo é realizar uma análise detalhada utilizando o cálculo de VPL e a simulação de Monte Carlo para calcular a rentabilidade e os riscos desse negócio.
Moreira, Karina de Lourdes Binotti   +5 more
  +9 more sources

Spatio-temporal analysis of leptospirosis in Eastern Amazon, State of Pará, Brazil

open access: yesRevista Brasileira de Epidemiologia
: Introduction: Brazil has registered more than 62,000 confirmed cases of leptospirosis between 2001 and 2017, with more than 2,000 cases confirmed in the State of Pará.
Rodrigo Arcoverde Cerveira   +6 more
doaj   +1 more source

A Numerical–Experimental Approach for Multi‐Matrix Fiber‐Reinforced Plastics Characterization Using Finite Element Model Updating

open access: yesAdvanced Engineering Materials, EarlyView.
A numerical–experimental framework is developed for characterizing multi‐matrix fiber‐reinforced polymers (MM‐FRPs) combining epoxy and polyurethane matrices. Harmonic bending tests are integrated with finite element model updating (FEMU) to simultaneously identify elastic and viscoelastic material parameters.
Rodrigo M. Dartora   +4 more
wiley   +1 more source

Echinodorus australis (Alismataceae), a new synonym for Helanthium bolivianum

open access: yesBonplandia, 2019
Echinodorus australis Rataj, a species from southern Brazil and northern Argentina, is here synonymized under Helanthium bolivianum (Rusby) Lehtonen & Myllys.
Christian A. Zanotti, Adela M. Panizza
doaj   +1 more source

A Simplified Laminar Flow Model for the Pultrusion of Glass Fiber/Polyethylene Terephthalate Commingled Yarns

open access: yesAdvanced Engineering Materials, EarlyView.
A simplified thermoplastic pultrusion model is developed to predict thermal fields in glass fiber/polyethylene terephthalate (GF/PET) composites with reduced computational cost. By combining effective material homogenization, validation against literature data, and Gaussian‐process‐based optimization, the study reveals how heating limits, pulling speed,
Elder Soares   +3 more
wiley   +1 more source

De Quimeras Marteladas a Beira-Mar: Sobre um possível diálogo entre Lima Barreto e Nietzsche

open access: yesRevista Trágica, 2020
O texto propõe o tensionamento de dois autores que, pondo-se em disputa, dialogam com o seu meio e seu tempo. Traçar o Lima Barreto leitor de Nietzsche, seus juízos sobre o filósofo alemão e os possíveis desdobramentos filosóficos do referência ...
André Mesquita Penna-Firme
doaj   +1 more source

Ausências-Brasil [PDF]

open access: yesRevista Eco-Pós, 2014
Ausências-Brasil \ Gustavo Germano \ 2012 Revista ECO-Pós V.20 N ...
openaire   +1 more source

Grain Refinement During Severe Plastic Deformation and Similitude of Subgrain Formation: A Molecular Dynamics Study

open access: yesAdvanced Engineering Materials, EarlyView.
Molecular dynamics is used to investigate structure refinement during severe plastic deformation. The results show similitude with experimental data. Molecular dynamics simulations of severe plastic deformation of monocrystalline and polycrystalline samples by multiaxial compression of aluminum are carried out.
Roberto B. Figueiredo
wiley   +1 more source

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