Results 31 to 40 of about 9,188 (221)

Numerical Modeling of Lyapunov Exponents for Structural Damage Identification

open access: yesBuildings, 2023
The main purpose of this article is to discuss the use of the Lyapunov exponents to evaluate the integrity of structures. The use of such coefficients is examined in an analysis that considers the geometric and physical nonlinearities, aiming to ensure ...
Gustavo Botelho Barbosa   +3 more
doaj   +1 more source

Comunicação: A Engenharia Civil na PUC Minas – Unidade Barreiro

open access: yes, 2011
Comunicação: A Engenharia Civil na PUC Minas – Unidade ...
Nunes, Marcus Soares
core   +1 more source

SiC/Si ceramic hollow fibres: A new approach to Chlorella vulgaris biomass harvesting

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Efficient harvesting of microalgae is a critical challenge for the viability of biorefineries, requiring technologies that combine high selectivity, low cost, and scalability. The current work evaluated the performance of an asymmetric hollow fibre ceramic membrane (HF‐SiC70Si30), fabricated by phase inversion and sintered at 1250°C, in the ...
Erisson Paulo Borges Lopes   +4 more
wiley   +1 more source

PERFIL SOCIOECONÔMICO, DESEMPENHO ACADÊMICO E EVASÃO NO CURSO DE ENGENHARIA DE MINAS DA UFBA [PDF]

open access: yes, 2013
O Plano de Reestruturação e Expansão das Universidades Federais – REUNI, instituído pelo Governo Federal através do Decreto nº 6.096, de 24 de abril de 2007, tem como meta global a elevação da taxa de conclusão média dos cursos de graduação presencial ...
Souto, Daniela Cruz
core  

Portable equipment for simultaneous assays of psychomotor vigilance test and pupillometry

open access: yes, 2013
This paper describes a system with potential for identification of sleep deprivation, which, based on our bibliographical survey, has not yet been described in the literature. The system combines two methodologies, i. e., Psychomotor vigilance test (PVT)
Tierra-Criollo,Carlos Julio   +9 more
core   +1 more source

Bee community assembly is regulated by functional traits in pristine tropical forest environments

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Understanding the drivers of bee beta diversity across pristine environments in the Amazon is critical for ensuring biodiversity conservation, restoration, sustainable land use planning and economic development.
Rafael Cabral Borges   +7 more
wiley   +1 more source

X-ray densitometry and colorimetry for the characterization of ten native Brazilian timber species

open access: yesMaderas: Ciencia y Tecnología
The research responds to the limited availability of technical data on native Brazilian woods, which constrains their industrial application and sustainable management. The commercial use of timber from native Brazilian species is hindered by a scarcity
Caio Cesar Nemer Martins   +7 more
doaj   +1 more source

CARACTERIZAÇÃO DO EFLUENTE DE UMA USINA DE FABRICAÇÃO DE FERRO-LIGAS DE MANGANÊS

open access: yesHolos, 2015
Na fabricação de ferro-ligas de manganês, são gerados efluentes líquidos advindos, principalmente, de calhas de drenagem hídrica dos pátios de estocagem de matéria-prima, produto e resíduos.
Aline Costa Silva   +2 more
doaj   +1 more source

Anatomy and Histology of the Midgut of Atopozelus opsimus (Heteroptera: Reduviidae)

open access: yesActa Zoologica, EarlyView.
ABSTRACT Atopozelus opsimus Elkins, 1954 (Heteroptera: Reduviidae) preys on forest and agricultural pests but also feeds on extrafloral nectar; however, its alimentary canal is poorly understood. The aim was to describe the anatomy and histology of the A. opsimus midgut. The alimentary canal of female and male A.
Bruna Silva Lisboa   +6 more
wiley   +1 more source

Gestão ambiental do gás do alto forno e avaliação dos sistemas de controle atmosféricos de siderúrgica, viabilizando um sistema de geração de energia elétrica [PDF]

open access: yes, 2013
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Ambiental, Florianópolis, 2013.A presente dissertação aborda o aproveitamento dos gases emitidos no processo de fabricação do ...
Chaves, Enrico Lara
core  

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