Deviation Of Power
Mostrando 13-24 de 82 artigos, teses e dissertações.
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13. Analysis and PIC simulation of a Gyrotron travelling wave tube amplifier
The analysis of a Ka-band gyrotron Travelling Wave Tube (gyro-TWT) amplifier using a uniform cylindrical waveguide as its interaction circuit has been presented for the TE01 mode of operation a self-consistent nonlinear analysis in the large signal regime. The analysis predicts that the saturated peak output power of ~ 134 kW with a power conversion efficien
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 2013-12
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14. Desvio de finalidade e vício de intenção na função administrativa
Este trabalho objetiva a investigação de questões que envolvam o instituto desvio de finalidade e sua relação com a conduta do agente no exercício da função administrativa. O direito comparado servirá de fundamento jurídico para a concepção do desvio de finalidade pela legislação, doutrina e jurisprudência pátria. Serão abordados os elemento
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 09/11/2012
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15. O comportamento dos custos de produção do café arábica em relação a venda de máquinas agrícolas no estado de Minas Gerais
Brazil stands out on the world stage with regard to the marketing of agricultural products, ranking third in the world rankings when it comes to exports, according to the World Trade Organization - WTO (2011). The agricultural sector is the second-level employment in the country, according to the Brazilian Institute publishes Economic Geography - IBGE (2011)
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/04/2012
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16. Distribuição do tempo de residência e letalidade no processamento térmico contínuo de líquidos com escoamento laminar não ideal em trocadores bitubulares. / Residence time distribution and lethality in the continuous thermal processing of liquids with non ideal laminar flow in bitubular exchangers.
Tubular heat exchangers are widely used for thermal processing of viscous liquid foods because they have larger hydraulic diameters than the plate heat exchangers. The calculation of lethality in this type of exchanger is directly related to velocity profile and the residence time distribution (RTD). For the laminar flow of viscous fluids, Newtonian and non-
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 02/03/2012
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17. Análise da influência de impelidores laterais no tempo de mistura em tanques de estocagem de diesel com o uso da fluidodinâmica computacional / Analysis of the influence of side-entry mixers on the mixing time in diesel storage vessels using computational fluid dynamics
The homogenization process of hydrocarbons in large scale storage tanks equipped with side-entry impellers plays an important role in a refinery operation, since the quality of the final products depends on the performance of this process. Computational Fluid Dynamics (CFD) is the most viable technique to evaluate and to optimize this process, as experimenta
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/11/2011
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18. Modeling of statistical low-frequency noise of deep-submicrometer MOSFETs
The low—frequency noise (LF-noise) of deep-submicrometer MOSFETs is experimentally studied with special emphasis on yield relevant parameter scattering. A novel modeling approach is developed which includes detailed consideration of statistical effects. The model is based on device physics parameters which cause statistical variations in LF-noise behavior
Publicado em: 2011
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19. Design of self-checking fully differential circuits and boards
A design methodology for on-line testing analog linear fully differential (FD) circuits is presented in this work. The test strategy is based on concurrently monitoring via an analog checker the common mode (CM) at the inputs of all amplifiers. The totally self-checking (TSC) goal is achieved for linear FD implementations provided that the checker CM thresho
Publicado em: 2011
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20. Longitudinal study of Cystatin C in healthy term newborns
OBJECTIVE: The purpose of this study was to determine the levels of Cystatin C in healthy term newborns in the first month of life. INTRODUCTION: Cystatin C may be a suitable marker for determining the glomerular filtration rate because it is not affected by maternal renal function. METHODS: Cohort study. Inclusion: term newborns with appropriate weight; mot
Clinics. Publicado em: 2011
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21. MODELOS DE CARGAS BASEADOS EM MEDIÇÕES PARA SIMULAÇÕES DINÂMICAS EM SISTEMAS ELÉTRICOS DE POTÊNCIA / MEASUREMENT-BASED LOAD MODELING FOR DYNAMIC SIMULATIONS ON ELECTRIC POWER SYSTEMS
This work describes a measurement-based load modeling methodology, using voltage and current data registered during power system disturbances. These load models are used on computational simulations for predicting power system stability after disturbances of system operational points. Practical results are presented of the proposed methodology, defining load
Publicado em: 2010
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22. An estimation method for gate delay variability in nanometer CMOS technology
In the nanoscale regime of VLSI technology, circuit performance is increasingly affected by variational effects such as process variations, power supply noise, coupling noise and temperature changes. Manufacturing variations may lead to significant discrepancies between designed and fabricated integrated circuits. Due to the shrinking of design dimensions, t
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2010
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23. O controle de constitucionalidade finalístico / Teleological constitutionality control
A presente dissertação tem como objetivo o estudo do controle de constitucionalidade que envolve finalidades. Nesse âmbito, o trabalho pretende identificar e analisar quais as principais relações que as finalidades nutrem com as normas jurídicas e com outras finalidades; que fatores exercem influência sobre essas relações; qual a posição do legisl
Publicado em: 2010
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24. Avaliação da estrutura genética do surubim, Pseudoplatystoma corruscans (Actinopterygii: Siluriformes) como subsídio para o repovoamento do submédio São Francisco
The São Francisco River is 2700 km long, draining areas of the States of Minas Gerais, Goias, Bahia, Pernambuco, Alagoas, and Sergipe, as well as part of the Federal District. Before the construction of Paulo Afonso Hydroeletric Power Plant, waterfalls of Paulo Afonso (north-eastern Brazil) and its respective lakes already constituted a natural obstacle to
Publicado em: 2010