Results 81 to 90 of about 33,579 (229)

Procura de Formação de Nível Superior no Concelho de Viseu. [PDF]

open access: yes, 1999
As escolhas vocacionais dos alunos, após a escolaridade obrigatória, encaminham-se, cada vez mais, para a formação de nível superior. As instituições que oferecem esta formação têm hoje um papel determinante a nível global, dado que o aumento das ...
Abrantes, José Luís   +3 more
core  

Amorphous Hydrogenated Silicon Carbide Interlayers: Chemical, Optical, and Tribological Behavior for Improving Adhesion of Carbon‐Based Films to Ferrous Alloy

open access: yesSurface and Interface Analysis, EarlyView.
ABSTRACT Diamond‐like carbon thin films have been gaining attention in the last years due to their unique properties, such as low friction coefficient and high wear resistance. However, the lack of adhesion between DLC coatings and ferrous alloys complicates their wider industrial application.
Vanessa Piroli   +10 more
wiley   +1 more source

Engenharia

open access: yes, 2021
Ana Paula Taveira Alves   +15 more
openaire   +2 more sources

Evaluation of systemic consequences of brachycephalic obstructive airway syndrome in dogs

open access: yesVeterinary Record, EarlyView.
Abstract Background Brachycephalic obstructive airway syndrome (BOAS) results from upper airway anatomical abnormalities and may cause systemic effects depending on severity. Methods A prospective, case‒control and observational study was conducted.
Andréia Coutinho Facin   +11 more
wiley   +1 more source

Non‐Destructive Inspection of TCPs Using Pulse‐Echo Ultrasound and X‐Ray Microcomputed Tomography Techniques

open access: yesX-Ray Spectrometry, EarlyView.
ABSTRACT Thermoplastic composite pipes (TCPs) have potential applications in offshore oil and gas industries because of their strength, lack of corrosion, and flexibility. Designed for fluid transportation in high‐pressure and high‐temperature environments, manufacturing defects and operational loads can compromise their performance.
Marcella Grosso Lima   +10 more
wiley   +1 more source

Simulação numérica de placas de aço em estruturas navais e offshore

open access: yesVetor, 2016
Placas são elementos estruturais de superfície plana amplamente empregados em engenharia, cuja espessura é pequena quando comparada com as demais dimensões.
Lillian Gonçalves Baptista   +1 more
doaj   +4 more sources

POTENCIAL TÓXICO DO EXTRATO AQUOSO DE Piper tuberculatum

open access: yesRevista UniVap, 2017
A utilização de defensivos agrícolas sintéticos tem se intensificado cada vez mais a fim de manter a segurança alimentar. Entretanto, a medida que as aplicações vão sendo realizadas, esses defensivos vão apresentando decréscimo em sua eficácia.
Thammyres de Assis Alves   +4 more
doaj   +1 more source

Engenharia Mecânica

open access: yes, 2018
O livro Engenharia Mecânica representa vinte disciplinas da Engenharia Mecânica, em contexto quotidiano, por meio de quadros feitos com a técnica mosaico em oficinas com estudantes do Ensino Fundamental. Essa obra compôe a série Engenharia & Arte, que é fruto de um projeto de mesmo nome realizado pelo Instituto Federal de Minas Gerais (IFMG) Campus
Rodrigues-Silva, Jefferson   +5 more
openaire   +1 more source

XAHRM‐Lab First Results and πXRF First View of UFe4Al8 and UFe10Si2

open access: yesX-Ray Spectrometry, EarlyView.
ABSTRACT Following the installation of the Laboratory for the Characterization and Speciation of Aerosols (LCEA) in 2008, and the confirmation of High Resolution Energy Dispersive Spectrometry (HiREDS) as a much promising development for X‐ray Emission Spectrometry in general and Particle Induced X‐ray Emission (PIXE) in particular, the installation of
M. A. Reis   +3 more
wiley   +1 more source

Influence of Drying Protocol on the Setting and Crystalline Phase Formation of Calcium Silicate‐Based Sealers

open access: yesAustralian Endodontic Journal, EarlyView.
ABSTRACT The objective of this study was to assess the hydration, crystalline structure, and setting of bioceramic ready‐to‐use and powder/liquid sealers in dry and wet root canal dentine. Thirty‐two single‐rooted human teeth were embedded in acrylic resin and sectioned into 2‐mm segments.
Thiago Bessa Marconato Antunes   +8 more
wiley   +1 more source

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