Zobrazeno 1 - 10
of 158
pro vyhledávání: '"Alexandre Bastos"'
Autor:
João Tedim, Tiago L. P. Galvão, Kiryl A. Yasakau, Alexandre Bastos, José R. B. Gomes, Mario G. S. Ferreira
Publikováno v:
Frontiers in Chemistry, Vol 10 (2022)
This work describes the main advances carried out in the field of corrosion protection using layered double hydroxides (LDH), both as additive/pigment-based systems in organic coatings and as conversion films/pre-treatments. In the context of the res
Externí odkaz:
https://doaj.org/article/0972fbf6783448c7a5f8551339014a30
Publikováno v:
Materials & Design, Vol 212, Iss , Pp 110188- (2021)
The Oxygen Evolution Reaction (OER), half-reaction of the water-splitting process for hydrogen production, suffers from sluggish kinetics. NiFe materials appeared as interesting catalytic materials for this reaction in alkaline electrolyzers and have
Externí odkaz:
https://doaj.org/article/ba044afe7e134648be4bbd69a1ab5f72
Autor:
Nuno M. M. Moura, Vanda Vaz Serra, Alexandre Bastos, Juliana C. Biazotto, Kelly A. D. F. Castro, Maria Amparo F. Faustino, Carlos Lodeiro, Roberto S. da Silva, Maria da Graça P. M. S. Neves
Publikováno v:
International Journal of Molecular Sciences, Vol 23, Iss 14, p 7606 (2022)
An efficient synthetic access to new cationic porphyrin-bipyridine iridium(III) bis-cyclometalated complexes was developed. These porphyrins bearing arylbipyridine moieties at β-pyrrolic positions coordinated with iridium(III), and the corresponding
Externí odkaz:
https://doaj.org/article/219ee0993d074e9e94453720106fa3c5
New Sensors for Monitoring pH and Corrosion of Embedded Steel in Mortars during Sulfuric Acid Attack
Publikováno v:
Sensors, Vol 22, Iss 14, p 5356 (2022)
The sulfuric acid attack is a common form of degradation of reinforced concrete in contact with industrial wastewater, mine water, acid rain, or in sewage treatment stations. In this work, new pH-sensitive IrOx electrodes were developed for monitorin
Externí odkaz:
https://doaj.org/article/59bed54c781642018805b2ebc7c7ae6a
Publikováno v:
Motrivivência, Vol 30, Iss 55, Pp 156-176 (2018)
O objetivo deste artigo foi problematizar a caracterização dos esportes de aventura a partir do caso da equipe de rafting Bozo D’água, um contraexemplo em relação à literatura pioneira sobre o tema. Parte de etnografia mais ampla, o presente
Externí odkaz:
https://doaj.org/article/10e40a34215a4bb395db68d2da4b6492
Autor:
Alice Marciel, Manuel Graça, Alexandre Bastos, Luiz Pereira, Jakka Suresh Kumar, Joel Borges, Filipe Vaz, Marco Peres, Sergio Magalhães, Katharina Lorenz, Rui Silva
Publikováno v:
Materials, Vol 14, Iss 4, p 821 (2021)
Molybdenum oxide thin films were deposited on stiff and flexible substrates by reactive DC magnetron sputtering. Two sets of samples were prepared. The first with different O2/Ar flow rate ratios and the second, fixing the oxygen content, with differ
Externí odkaz:
https://doaj.org/article/148c098180304b24954f021dab9bcb28
Autor:
Celestino Gomes, Zahid Mir, Rui Sampaio, Alexandre Bastos, João Tedim, Frederico Maia, Cláudia Rocha, Mário Ferreira
Publikováno v:
Materials, Vol 13, Iss 7, p 1769 (2020)
This work investigated the use of ZnAl-layered double hydroxide (LDH) intercalated with nitrate or nitrite ions for controlling the corrosion of steel in reinforced concrete. The work started by analyzing the stability of the powder in the 1–14 pH
Externí odkaz:
https://doaj.org/article/47154801c4dc48b2b7d4f74f97da4823
Publikováno v:
Materials, Vol 13, Iss 6, p 1426 (2020)
The issue of chloride induced corrosion of reinforced concrete is a serious problem affecting infrastructure globally and causing huge economic losses. As such this issue has gained a considerable attention in the scientific community in the recent p
Externí odkaz:
https://doaj.org/article/7af9e4a912c549b599b92ecaaa364d34
Autor:
Alexandre Bastos Baptista, Erika Lissa Morita, Cristiane Carlin Passos, Amanda Olivotti Ferreira, Flávio Ribeiro Alves, Alexandre José Alves, Maria Angélica Miglino, Ricardo Romão Guerra
Publikováno v:
Ciência Rural, Vol 41, Iss 1, Pp 171-175 (2011)
O uso de animais isogênicos apresenta grandes vantagens experimentais, como uniformidade fenotípica e genotípica (reduzindo o número de animais em experimentos) e histocompatibilidade, permitindo, assim, o acúmulo de informações e a repetibili
Externí odkaz:
https://doaj.org/article/9c21a5f9aee64132a4da72cf04da0202
Autor:
Danielle Pessoa Lima, Marcelo Eidi Ochiai, Alexandre Bastos Lima, Jose A. E. Curiati, Jose M. Farfel, Wilson Jacob Filho
Publikováno v:
Clinics, Vol 65, Iss 3, Pp 251-255 (2010)
OBJECTIVE: To determine the impact of delirium on post-discharge mortality in hospitalized older patients. INTRODUCTION: Delirium is frequent in hospitalized older patients and correlates with high hospital mortality. There are only a few studies abo
Externí odkaz:
https://doaj.org/article/5684640826094c72a9aab0ff1169846e