Results 51 to 60 of about 2,034,014 (299)

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

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

BRASIL POTENCIA

open access: yesBAJO EL VOLCÁN. REVISTA DEL POSGRADO DE SOCIOLOGÍA. BUAP, 2013
Empiezo con la dedicación que hace Raúl en la página 24 del libro, terminando la introducción, porque siento que expresa exactamente lo que hemos aprendido a esperar de él: “Este libro está dedicado a lo nuevo que está naciendo en América Latina, a todos esos movimientos y acciones de rebeldía contra las nuevas formas de opresión como la minería, los ...
openaire   +2 more sources

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

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

Non‐Additive Criteria Assessment in Sustainability Evaluation of High Entropy Alloys: A Toxicity‐Weighted Framework

open access: yesAdvanced Engineering Materials, EarlyView.
Sustainability assessment requires methodologies that appropriately distinguish between additive and non‐additive material properties. A toxicity‐weighted scoring system is developed and applied that accounts for the disproportionate influence of highly toxic constituents through nonlinear weighting functions, providing more realistic estimates than ...
Seth Mehalic   +2 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

Cuarteto de guitarras de Brasil (Brasil)

open access: yes, 2014
Concierto interpretado por el Cuarteto de Guitarras de Brasil. Ganador del Premio Grammy Latino del 2011 en la categoría de "mejor álbum clásico", el Cuarteto de Guitarras de Brasil se ha posicionado como uno de los principales grupos de guitarra del ...
Cuarteto de guitarras de Brasil - Cuarteto de guitarras (Brasil)
core  

Leaftronics: Bio‐Fractal Scaffolds From Leaf Venation for Low‐Waste Electronics

open access: yesAdvanced Materials, EarlyView.
“Leaftronics” transforms naturally evolved leaf venation into quasi‐fractal scaffolds for sustainable electronics. Polymer‐infiltrated leaf skeletons can be used to fabricate ultra‐smooth, reflow‐ and thin‐film‐compatible decomposable substrates, while making the same lignocellulose networks conducting results in flexible transparent electrodes.
Rakesh Rajendran Nair   +3 more
wiley   +1 more source

Una aproximación al conocimiento del territorio brasileño y a sus relaciones con España

open access: yesRevista de Estudios Brasileños, 2017
Texto de presentación del dossier.
Valentín CABERO DIÉGUEZ
doaj   +1 more source

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