Results 41 to 50 of about 27,433 (218)

Application of dynamic modelling and model‐based predictive control to enhance a cooling tower

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Model predictive control (MPC) applied to improve the operation of cooling towers. Abstract Model predictive control (MPC) differs from traditional feedback control by making predictions within a time horizon, providing better control actions for the process.
Douglas de Almeida Giardini   +4 more
wiley   +1 more source

Educação e trabalho: a formação escolar e as rupturas nas teorias pedagógicas = Education and work: the education training and the breaks of the teaching theories

open access: yesRevista Educação Por Escrito, 2021
Consta-se que, na formação escolar, as relações entre educação e trabalho encontram-se, basicamente, estabelecidas na noção de causalidade. O objetivo neste artigo é analisar a contradição do processo formativo que limita o sujeito como instrumento na ...
Rodrigues, Rogério
doaj  

Integrating Circular Economy and Lean Management: A Strategic Framework for Sustainable Business Transformation

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study investigates the integration of circular economy (CE) and lean management (LM) as a strategic approach for enhancing corporate efficiency and sustainability. While CE emphasizes resource circularity, LM focuses on waste elimination and value maximization in production processes.
Pedro Carmona Marques   +2 more
wiley   +1 more source

Proposição de uma metodologia para análise de viabilidade econômica de uma usina fotovoltaica

open access: yesRevista Principia, 2017
Uma metodologia para fins didáticos, de estudos de viabilidade econômica de uma usina solar fotovoltaica é proposta. O estudo foi realizado considerando o custo de operação e a instalação no período de 25 anos de uma usina de 3 MWp.
Renata Guedes Almeida Ribeiro   +4 more
doaj   +1 more source

Poly(Ionic) Liquid‐Enhanced Ion Dynamics in Cellulose‐Derived Gel Polymer Electrolytes

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
Advancing Energy Storage: Gel Polymer Electrolytes with Promising Potential Gel polymer electrolytes (GPEs) incorporating methyl cellulose and a range of ionic/polymeric achieved Li+ transference numbers comparable to traditional liquid electrolytes.
Tiago G. Paiva   +7 more
wiley   +1 more source

Engenharia, economia política e progresso

open access: yesRevista Brasileira de História da Ciência, 2010
A confluência de interesses entre engenheiros, empresários e industriais na passagem do século XIX ao XX foi sublinhada em diversos estudos, particularmente naqueles que focalizaram o Clube de Engenharia, criado no Rio de Janeiro em 1880. Os engenheiros
Maria Letícia Corrêa
doaj   +1 more source

Optimizing germination and cultivation of edible halophytes using effluents from an IMTA system

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Halophytes offer nature‐based solutions to food insecurity and soil degradation, while their integration into integrated multi‐trophic aquaculture (IMTA) systems promotes circular economy practices. This study aimed to optimize the germination and cultivation of edible halophytic species, namely Limbarda crithmoides, Suaeda vera and
Viana Castañeda‐Loaiza   +5 more
wiley   +1 more source

Composition and functionalities of peanut protein concentrates using ethanol as a defatted solvent and a precipitating agent

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Defatted solids (DSs) from vegetable oil extraction represent valuable feedstocks for producing protein concentrates with tailored functional properties. In the present study, using peanut protein concentrates obtained from press cakes defatted with ethanol (DSEt) or hexane (DSHx), we aimed to evaluate ethanol as a green solvent for
Paloma Jamily Cristina Magalhães   +8 more
wiley   +1 more source

A engenharia genética [PDF]

open access: yesRevista de Saúde Pública, 1991
São abordados os progressos havidos com as técnicas de engenharia genética, capazes de alterar o potencial genético de um organismo, quer pela introdução, quer pela supressão de novos genes estruturais. São mencionadas algumas das aplicações em geral e, em particular, possibilidades de uso no campo da medicina.
openaire   +2 more sources

Interplay Between Dispersion, Nucleation, and Crystallization in HDPE/Graphene Nanocomposites Processed Under Thermokinetic Conditions

open access: yesPolymer Engineering &Science, EarlyView.
Thermokinetic processing controls graphene fragmentation and dispersion in HDPE, promoting heterogeneous nucleation and multistep crystallization. The balance between nucleation enhancement and chain mobility restriction governs the final crystalline structure and material performance.
Lucas J. S. Nascimento   +4 more
wiley   +1 more source

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