Open Systems
Mostrando 25-36 de 793 artigos, teses e dissertações.
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25. Comportamento da corrosão microbiológica do aço duplex com aplicação de sais de quaternário de amônio
RESUMO A corrosão microbiológica tem causado diversos prejuízos para variados segmentos industriais que utilizam os materiais metálicos em seus sistemas. Uma forma de minimizar e até mesmo controlar os problemas causados pela corrosão microbiológica tem sido a aplicação de biocidas nestes sistemas. Neste trabalho, a corrosão microbiológica do aço
Matéria (Rio J.). Publicado em: 20/05/2019
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26. Cinco modelos de adjudicação administrativa (Justiça Administrativa)
Resumo Regimes regulatórios e de distribuição de benefícios ocasionam um grande número de disputas individuais entre agências governamentais e particulares. Cada país precisa de um sistema de adjudicação administrativa para solucionar essas disputas corretamente, com justiça e eficiência. Esses sistemas geralmente compreendem três fases - decisã
Rev. Investig. Const.. Publicado em: 15/04/2019
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27. O paradoxo do tratado constitucional europeu: entre o planejamento e a evolução da Europa comunitária
Resumo A introdução da tentativa de um Tratado Constitucional Europeu no sistema do Direito coloca em xeque duas das mais enraizadas instituições jurídicas do Ocidente: as Constituições e os Tratados, já que ambas partem, desde o ponto de vista da doutrina tradicional, de pressupostos conceituais diferenciados. O paradoxo está ligado às condições
Rev. Investig. Const.. Publicado em: 15/04/2019
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28. Insights on Structuration of Peroxotungstic Acid in Aqueous Media
Recent studies on tungsten oxide preparation are mainly motivated by its applications in smart windows, energy harvesting and, recently, in cancer therapy. Peroxotungstic acid (PTA) is an important precursor to obtain tungsten oxide in an environmentally-friendly way, through the colloidal synthesis in aqueous media. Despite giving chemically pure products,
J. Braz. Chem. Soc.. Publicado em: 2019-04
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29. Tipos de Problemas que Provocan la Generación de Argumentos Inductivos, Abductivos y Deductivos
Abstract This paper presents a relation between the types of conjecturing open problems in geometry, preferably solved using Dynamic Geometry Systems, and the types of arguments produced. The aim of this paper is to show how each type of problem can elicit the production of certain types of arguments (inductive, abductive, and deductive) during the problem-s
Bolema. Publicado em: 2019-04
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30. Reconfiguration of multi-stage tensegrity structures using infinitesimal mechanisms
Abstract The use of tensegrity structures in soft robotics has seen an increased interest in recent years thanks to their mechanical properties, but the control of these systems remains an open problem. This paper presents a reconfiguration strategy for actuated multi-stage tensegrity structures. The algorithm works on the principle of using the infinitesima
Lat. Am. j. solids struct.. Publicado em: 21/03/2019
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31. Methodology for The Development of an Ontology Network on The Brazilian National System for the Evaluation of higher Education (OntoSINAES)
ABSTRACT Ontologies occupy a central position in any conceptual model of the Semantic Web, aiming fundamentally to add explicit semantics to the contents available in the Web. In the domain of Brazilian higher education, especially with regard to the National System for the Evaluation of Higher Education (SINAES), still lacks a reference ontology that can pr
JISTEM J.Inf.Syst. Technol. Manag.. Publicado em: 24/05/2018
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32. The use of RPAS - Remotely Piloted Aircraft Systems in the topographic mapping for mining
Abstract In the light of the technological transformations that have been occurring in the field of Remote Sensing, the objective of this study was to evaluate the feasibility and the quality of the results that could be achieved in the topographic modeling of the terrain with a Remotely Piloted Aircraft Systems (RPAS) survey in open-pit mines. The mining ac
REM, Int. Eng. J.. Publicado em: 2018-04
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33. The behavior of Aphis gossypii and Aphis craccivora (Hemiptera: Aphididae) and of their predator Cycloneda sanguinea (Coleoptera: Coccinellidae) in cotton-cowpea intercropping systems
ABSTRACT The intercropping is an important cultural practice commonly used in pest management. It is based on the principle that increased plant diversity in the agro-ecosystem can lead to reductions of pest populations in the crop. The current study aimed to assess the impact the colored fiber cotton-cowpea intercropped systems on Aphis gossypii and Aphis c
An. Acad. Bras. Ciênc.. Publicado em: 01/02/2018
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34. Assemblage of drosophilids (Diptera, Drosophilidae) inhabiting flooded and nonflooded areas in the extreme South of Brazil
ABSTRACT Several studies on the potential use of drosophilid assemblages as bioindicator systems have been carried out in the last years. Nevertheless, the successful application of these organisms in these systems requires adequate filling of several knowledge gaps. In this sense, little is known about drosophilid assemblages in wetlands and flooded areas.
Rev. Bras. entomol.. Publicado em: 2018-01
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35. Study of Coffee Grounds Oil Action in PVC Matrix Exposed to Gamma Radiation: Comparison of Systems in Film and Specimen Forms
The poly (vinyl chloride), PVC, undergoes changes in its physicochemical properties when it is exposed to gamma radiation. Thus, the radiolytic stabilization of PVC is one way for obtain a material with radiation resistance. In this work, we studied the coffee grounds oil as PVC radiolytic protection in two systems forms: PVC film and PVC specimen. The syste
Mat. Res.. Publicado em: 18/12/2017
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36. Microclimate alterations caused by agricultural hail net coverage and effects on apple tree yield in subtropical climate of Southern Brazil
ABSTRACT The use of hail net coverage on plants is an effective measure to mitigate damage caused by hailstorms. In southern Brazil, areas with apple orchards under hail net coverage have increased in recent years. However, little is known about the possible effects on the microclimate and, consequently, on plant growth, crop yield and fruit quality. The hyp
Bragantia. Publicado em: 18/12/2017