Results 81 to 90 of about 58,988,601 (227)

Responsabilidade social na actividade mineira : o caso da Mina de Las Cruces [PDF]

open access: yes, 2009
Tese de mestrado. Engenharia de Minas e Geo-Ambiente. Faculdade de Engenharia.
Ferreira, Carlos Filipe Semblano
core   +1 more source

Geologia de engenharia e geotecnia em mineração

open access: yesGeotecnia, 1986
Tendo as suas origens ligadas às obras civis, a Geologia de Engenharia e a Geotecnia são ramos do conhecimento que só recentemente começaram a ser aplicados à Engenharia de Minas, carecendo ainda de metodologias proprias, mais adequadas à realidade da ...
C. Dinis Gama
doaj   +1 more source

Sensory Perception and Instrumental Characterization of Plant‐Based Mozzarella Cheese Alternatives in the Brazilian Market

open access: yesJournal of Sensory Studies, Volume 41, Issue 4, August 2026.
ABSTRACT Plant‐based products, commonly referred to as alternatives or analogues, are formulated to replicate the appearance, aroma, flavor, and texture of traditional animal‐derived foods. In Brazil, regulatory frameworks for this category are still under development, and products currently available on the market vary significantly in composition ...
Cassandra Justina Souza Maia   +3 more
wiley   +1 more source

A utilização da internet como ferramenta de trabalho para os alunos do curso de Direito [PDF]

open access: yes, 2001
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia de Produção.Esta dissertação busca analisar a utilização da Internet como ferramenta educacional, enfocando, sobretudo, o curso ...
Aguiar, Carlos Moacyr Duarte Meira de
core  

Aplicação Do Controle Repetitivo A Inversor PWM Monofásico Com Filtro LC De Saída Utilizado Em Fonte Programável C.A.

open access: yesEletrônica de Potência, 2013
Esse trabalho objetiva o desenvolvimento de uma estratégia de controle, baseada no controlador repetitivo, para regulação de um inversor PWM com filtro LC de saída, cuja aplicação é uma fonte programável de potência c.a.
André Filipe B. Oliveira Oliveira   +3 more
doaj   +1 more source

Incorporation of Selenium into Sol–Gel‐Derived Bioactive Glass: Influence on Glass Structure, Bioactivity, and its Selective Cytotoxicity

open access: yesAdvanced Engineering Materials, Volume 28, Issue 14, 22 July 2026.
Selenium was incorporated into a sol–gel‐derived bioactive glass to enable sustained therapeutic ion release. The selenium‐containing glass preserved bioactivity while selectively inducing cytotoxicity in osteosarcoma cells and maintaining osteoblastic viability.
Breno Rocha Barrioni   +7 more
wiley   +1 more source

Avaliação de lagoas de maturação modificadas com a presença de suportes e macrófitas da família Lemnaceae no tratamento de esgotos domésticos [PDF]

open access: yes, 2008
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico.
Maia, Iracema de Souza
core  

Current perception threshold and reaction time in the assessment of sensory peripheral nerve fibers through sinusoidal electrical stimulation at different frequencies [PDF]

open access: yes, 2013
INTRODUCTION: The Perception Sensory Threshold (ST) for sinusoidal current stimuli at 5, 250, and 2,000 Hz is commonly used in the assessment of peripheral nerve fibers (C, Aδ, and Aβ, respectively).
Santos,Clarissa Cardoso dos   +11 more
core   +1 more source

A Custom Microcontrolled and Wireless-Operated Chamber for Auditory Fear Conditioning

open access: yesFrontiers in Neuroscience, 2019
Animal behavioral paradigms, such as classical conditioning and operant conditioning, are an important tool to study the neural basis of cognition and behavior.
Paulo Aparecido Amaral-Júnior   +9 more
doaj   +1 more source

Fabrication of porous samples from a high-temperature Cu–Al–Ni–Mn–Nb shape memory alloy by freeze-drying and partial sintering

open access: yesJournal of Materials Research and Technology, 2020
Shape memory alloys (SMAs) find important applications in many fields, including the biomedical, aerospace, and civil construction industries. The increasing interest in these materials arises from their mechanical properties such as shape memory effect,
Miguel L. Lapér   +6 more
doaj   +1 more source

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