Results 61 to 70 of about 33,675 (241)
MECANISMOS DE AÇÃO DO EXTRATO AQUOSO DE Piper amalago EM CÉLULAS MERISTEMÁTICAS DE Lactuca sativa
Revista UniVap, 2017 Para manutenção da segurança alimentar o uso de agrotóxicos tem aumentado em todo o mundo, sendo o Brasil o seu maior consumidor desde 2009. Porém, os danos ambientais e à saúde humana, causados por essas substâncias sintéticas, tem provocado ...
Thammyres de Assis Alves +2 more
doaj +1 more source
Biotecnologia: Perfil dos grupos de pesquisa no Brasil [PDF]
, 2009 The study aims to map the human capital profile involved with the biotechnology in Brazil. We used descriptive statistical analysis. The database was set up exclusively for this study starting from information of the innovation website of the Brazilian ...
Freitas, Rogério Edivaldo +1 more
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Land Degradation &Development, EarlyView.ABSTRACT This study presents an innovative assessment model for analyzing the evolution of degraded soils subjected to different reclamation strategies. The proposal combines statistical and artificial intelligence tools to jointly integrate multiple physical and chemical soil properties, allowing for a more synthetic view of the processes.
Melissa Alexandre Santos +7 more
wiley +1 more source
A experiência de aprendizagem baseada em projetos interdisciplinares em um novo campus de engenharia sob a perspectiva dos discentes [PDF]
, 2016 This work aims to describe the experience of Project Based Learning (PBL) in the course of Mechanical Engineering (Engineering Campus - UACSA) of the Federal Rural University of Pernambuco (UFRPE), Brazil.
Amorim, Maria Conceição +4 more
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Características y competencias de los consejos de administración de los bancos brasileños y la relación con su desempeño financiero [PDF]
, 2012 Este estudo teve como objetivo identificar as principais características e competências dos conselhos de administração dos bancos brasileiros e relacioná-las com seus desempenhos financeiros.
Lustosa, Paulo Roberto Barbosa +3 more
core +3 more sources
Public Administration and Development, EarlyView.ABSTRACT Bringing together the literature on policy design, policy capacity and policy making in multilevel systems, this paper argues that the effectiveness of policy design in federal countries depends, ceteris paribus, on the adequacy of federal and local policy capacities.
Giliberto Capano +1 more
wiley +1 more source
Optimization of surface finish in cylindrical external turning of SAE 1045 steel
GEPROS: Gestão da Produção, Operações e Sistemas, 2017 Currently the mechanical metal sector organizations are increasingly looking for quality and cost reduction in the development of their products. This paper elaborates on the verification of surface finish and roughness in machining techanical parts ...
Jonas Müller Hammes +2 more
doaj +1 more source
Desenvolvimento Cognitivo na Construção do Raciocínio Matemático e Reprovação nos Cursos de Engenharia da Univasf [PDF]
, 2012 Recente pesquisa mostrou elevados percentuais de reprovação nos cursos de engenharia na Universidade Federal do Vale do São Francisco. Tais dados impulsionaram a este estudo, que objetivou analisar a relação entre desenvolvimento cognitivo na construção ...
SOUSA, G. M. C.
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Polymer Engineering &Science, EarlyView.Poly(hydroxybutyrate‐co‐hydroxyvalerate)/thermoplastic starch blends, produced by melt processing, showed improvements in mechanical properties and water vapor transmission barrier performance, which can help control excessive water evaporation from the soil, thus contributing to pH and moisture regulation.
Pâmela R. Oliveira +4 more
wiley +1 more source
Quantum Resonator as a Directional Quantum Emitter
Advanced Quantum Technologies, EarlyView.A single‐photon source based on a two‐photon Jaynes–Cummings system features a resonator acting as the quantum emitter rather than the two‐level system. In this configuration, enhanced efficiency, purity, and indistinguishability are achieved, while robustness against dephasing, reduced energy dissipation, and broader implementation prospects for ...
Luiz O. R. Solak +4 more
wiley +1 more source