Navegação Engenharias por Título
Resultados 1368-1387 de 2413
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Laboratório de empreendedorismo na UFRGS : despertando o interesse dos alunos pela cultura empreendedora
(2017) [Artigo de periódico] -
Laboratório de medições mecânicas : uma experiência pedagógica no ensino de instrumentação
(1999) [Artigo de periódico]O artigo relata a experiência de ensino realizada no Laboratório de Medições Mecânicas (LMM) do curso de Engenharia Mecânica da Escola de Engenharia da UFRGS, laboratório este criado em 1979. Descreve o ambiente criado ... -
Laboratory apparatus to evaluate microalgae production
(2013) [Artigo de periódico]The application of microalgae for energy purposes and CO2 biomitigation continues to present a number of challenges, including the optimization of culture conditions. The application of experimental designs for microalgae ... -
A lactose FIA-biosensor system for monitoring and process control
(2004) [Artigo de periódico]In this work an enzymatic lactose biosensor composed of the immobilized enzymes E- galactosidase and glucose oxidase was developed. Oxygen consumption during the reaction catalyzed by these enzymes was detected. The biosensor ... -
Lago Guaíba : uma análise histórico-cultural da poluição hídrica em Porto Alegre, RS, Brasil
(2019) [Artigo de periódico]A qualidade de vida é intrinsecamente ligada à disponibilidade de água, e a poluição desse recurso afeta diretamente as populações. O Lago Guaíba possui importância histórica, econômica e cultural para Porto Alegre (RS) e ... -
Lago Guaíba : uma análise histórico-cultural da poluição hídrica em Porto Alegre, RS, Brasil
(2019) [Artigo de periódico]A qualidade de vida é intrinsecamente ligada à disponibilidade de água, e a poluição desse recurso afeta diretamente as populações. O Lago Guaíba possui importância histórica, econômica e cultural para Porto Alegre (RS) e ... -
Large eddy simulation of three-dimensional turbulent flows by the finite element method
(2006) [Artigo de periódico]The main objectives of this work are the formulation, implementation and applications of a numerical algorithm to simulate turbulent, incompressible, isothermal flows. The transient three-dimensional flow is analyzed using ... -
Leaching of gold and silver from printed circuit board of mobile phones
(2015) [Artigo de periódico]Nowadays there is a wide variety of models, sizes and configurations of mobile phones available for consumption. After the life cycle of this equipment, the recycling and reuse of the precious metals found in the printed ... -
Lead hazard evaluation for cathode ray tube monitors in Brazil
(2018) [Artigo de periódico]Cathode ray tube (CRT) monitors are electronic equipment mainly made of glass, polymers and metals. These devices became obsolete because of emerging technologies such as LCD, LED and plasma; thus generating a huge stockpile ... -
Lean management implementation in mining industries
(2008) [Artigo de periódico] -
Lean mentorship : fitting external support to entrepreneur needs over the startup development
(2019) [Artigo de periódico]Paper aims: The present paper aims at exploring aspects of the mentoring process within the practice of technology entrepreneurship, also postulating a new concept, the lean mentorship. Originality: Although literature ... -
Lições sobre o gerenciamento de desastres hidrológicos obtidas a partir da ocorrência em Rolante/RS
(2018) [Artigo de periódico]No dia 05 de janeiro de 2017 foi registrado um desastre hidrológico no município de Rolante/RS. Após precipitações intensas e bem localizadas, foi observada a ocorrência de escorregamentos, fluxos de detritos e inundação ... -
Life Cycle Assessment applied to construction and demolition waste treatment : proposal of a Brazilian scenario
(2019) [Artigo de periódico]Important amounts of construction and demolition wastes (CDW) are currently generated in several countries. Considering the correct management of this kind of residue, and the search for its noblest use, several studies ... -
Life cycle costs and impacts of massive slabs with varying concrete cover
(2021) [Artigo de periódico]Considering construction costs, predicted service life, and related environmental impacts, this paper evaluates the influence of varied concrete cover thicknesses in the life cycle of a reinforced concrete structure. ... -
Liga com memória de forma : estudo preliminar do grampo de Judet de nitinol e sua possível aplicação em tórax instável
(2010) [Artigo de periódico]Este artigo sucintamente descreve a evolução da liga metálica “inteligente”, com memória de forma na área de Saúde. A confecção de grampos de Judet em nitinol ocorreu no Laboratório de Transformação Mecânica da UFRGS (LdTM) ... -
A limit analysis approach to the stability assessment of reinforced concrete panels in fire conditions
(2020) [Artigo de periódico]The present study investigates the stability conditions of reinforced concrete panels subjected to fire loading within the framework of limit analysis theory. The method relies in a first step upon the preliminary determination ... -
Limitations of simplifed models to predict soot formation in laminar flames
(2020) [Artigo de periódico]Soot formation and radiation are important aspects for combustion problems. In this work, numerical simulations of ethylene cofow laminar flames are used to evaluate soot formation and radiation processes under diferent ... -
Lithium implantation at low temperature in silicon for sharp buried amorphous layer formation and defect engineering
(2013) [Artigo de periódico]The crystalline-to-amorphous transformation induced by lithium ion implantation at low temperature has been investigated. The resulting damage structure and its thermal evolution have been studied by a combination of ... -
Load cells in force sensing analysis - theory and a novel application
(2010) [Artigo de periódico] -
Local stabilization of discrete-time linear systems with saturating controls : an LMI-Based approach
(2001) [Artigo de periódico]This note deals with the problem of local stabilization of linear discrete-time systems subject to control saturation.Alinear matrix inequalitie- based framework is proposed in order to compute a saturating state feedback ...