Field Orientation Control
Mostrando 1-12 de 30 artigos, teses e dissertações.
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1. Mulheres desregradas: autorretratos e o corpo grotesco nos cartuns de Chiquinha
RESUMO A proposta deste artigo é examinar a produção quadrinística da cartunista Chiquinha, pontuando de que maneira pautas importantes dos movimentos feministas estão presentes no seu trabalho. A partir da análise dos autorretratos produzidos pela cartunista e do uso do estilo grotesco em seus desenhos, analisaremos como a cartunista produz uma críti
Topoi (Rio J.). Publicado em: 15/08/2019
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2. Mejora en la calidad de imágenes ultrasónicas aplicando métodos de composición espacial y empleando sistemas de Phased Array
ABSTRACT The Phased Array Ultrasonic Technique (PAUT) has become a widely used imaging tool for the Nondestructive Testing in the industrial field. The PAUT allows making deflections and focusing the ultrasound beam at different depths within the material, through an electronic control of each one of the N elements that make up the array transducer. Thus, se
Matéria (Rio J.). Publicado em: 19/07/2018
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3. Exposure to 50 Hz electromagnetic field changes the efficiency of the scorpion alpha toxin
AbstractBackground Extremely low-frequency (50 Hz) electromagnetic field (ELF-EMF) is produced by electric power transmission lines and electronic devices of everyday use. Some phenomena are proposed as “first effects” of ELF-EMF: the discrete changes in the membrane potential and the increase of the calcium channel activity as well as the intracellular
J. Venom. Anim. Toxins incl. Trop. Dis. Publicado em: 20/10/2015
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4. Crianças que se percebem competentes e são intrinsecamente motivadas são motoramente mais competentes? um estudo associativo entre desenvolvimento motor e aspectos psicossociais de escolares
This research aimed to investigate the perception of competence, motivational orientation and motor performance in children from public schools. More specifically we sought: check if children who have motor difficulties in gross motor skills fundamental also present difficulties in motor tasks specific to fine motor skills and balance, as well as the differe
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2012
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5. Domínios ferroelétricos em cerâmicas e materiais nanoestruturados: investigação por microscopia de piezoresposta
In this work, ferroelectric domain structure was investigated by Piezoresponse Force Microscopy (PFM). To this, an Atomic Force Microscope (AFM) has been modified to use it as PFM at room temperature and at high temperatures. Ferroelectric ceramics were used in the as bulk ceramic samples of Pb(Zr0,40Ti0,60)O3 (PZT 40/60) and (Pb0,79La0,21)TiO3 (PLT 21) prod
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 07/12/2011
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6. Grupo de mulheres com queixas difusas em um Centro de Atenção Psicossocial: estudos nas Representações Sociais. / Group of women with complaints diffuse a Psychosocial Care Center: Studies in Social Representations.
The psychic suffering in women has its relevance in context of Centers of Psychosocial Attention (CAPS). It aimed to apprehend the social representations of women about the psychic suffering, participation in groups of diffuse complaints in CAPS and use of medicines. The study has as axis the Theory of Social Representations and use of multimethods, its natu
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 22/04/2009
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7. Estudo do consumo alimentar, estilo de vida e risco de osteoporose em idosos acompanhados pelo NAI/UNATI/UERJ / Study of food consumption, lifestyle and risk of osteoporosis in elderly accompained by NAI/UNATI/UERJ
The absolute and relative increase in the elderly population in Brazil, taken place in the last 30 years, was associated with a epidemiological transition in the morbidity-mortality situation. Among the most common chronicle diseases to affect the elders osteoporosis stands out. This is a progressive disease, characterized by low bone mass and deterioration
Publicado em: 2009
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8. Controle do fluxo de potencia do gerador de indução duplamente alimentado funcionando na velocidade subsincrona / Power flux control of doubly fed induction generator operating at sub-synchronous speeds
Esta tese trata da implementação do controle do fluxo de potência de um gerador de indução duplamente alimentado conectado ao barramento infinito. A orientação de fluxo do estator é utilizada, pois permite o controle, de forma independente, das potências ativa e reativa do estator, por meio das componentes de eixo direto e em quadratura da corrente
Publicado em: 2008
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9. SERVOCONTROLE DE VELOCIDADE APLICADO A MOTORES DE INDUÇÃO MONOFÁSICOS SEM SENSORES MECÂNICOS / SERVO CONTROL OF SPEED APPLIED TO SINGLE-PHASE INDUCTION MOTORS WITHOUT SPEED SENSOR
This work proposes a sensorless speed control applied to single-phase induction motors (SPIM). The objective is to present an alternative for variable speed single-phase motor drives for residencial applications, which operate mostly with constant speed. For contextualization in the actual scenario, firstly a bibliographic review about variable speed operati
Publicado em: 2008
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10. O controlador complexo aplicado ao controle vetorial do motor de indução / The complex controller applied to the induction motor vector control
Este trabalho visa o estudo de métodos de projeto de controladores mediante o emprego da função de transferência complexa; o controle em baixas velocidades de um motor de indução trifásico orientado no fluxo do rotor, bem como no do estator, é o objetivo a ser alcançado. A formulação do modelo vetorial do motor de indução com emprego da função
Publicado em: 2007
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11. CÃrie dentÃria na infÃncia: prevalÃncia e fatores determinantes
Introduction: Dental caries in childhood has been a field of interest among researchers. The understanding of their causal factors, as well as the relationship among them is essential to its prevention and decrease of its occurrence. Objective: To accomplish a literature review on determinant factors of children dental caries and to present the results of a
Publicado em: 2007
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12. The familiar relations and the process of to sick in diabetes type 2 / As relações familiares e o processo de adoecimento em diabetes tipo 2
Diabetes type 2 is found among the chronic conditions which affect about 5 million Brazilians. Diabetes is defined as a syndrome of multiple etiology, resulting from the lack of insulin and/or the inability of the insulin to perform its effects accurately. It has micro and macrovascular changes as long term consequences which lead to the malfunction, damage
Publicado em: 2007