Coincidence Rate
Mostrando 1-12 de 26 artigos, teses e dissertações.
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1. Health Promotion to Reduce Hypertension Patients’ Vulnerability to Coronavirus Disease-19 (COVID-19)
Abstract Hypertension remains a prominent risk factor for cardiovascular diseases. It is not a coincidence that 23% to 30% of coronavirus disease-19 (COVID-19) confirmed cases are hypertensive patients, and the case-fatality rate of adult COVID-19 cases with hypertension was estimated at 6%. It is important that hypertensive patients be aware of their vulner
Int. J. Cardiovasc. Sci.. Publicado em: 2021-02
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2. A lung image reconstruction from computed radiography images as a tool to tuberculosis treatment control
Abstract Background: Background: Tuberculosis (TB) is an infectious lung disease with high worldwide incidence that severely compromises the quality of life in affected individuals. Clinical tests are currently employed to monitor pulmonary status and treatment progression. The present study aimed to apply a three-dimensional (3D) reconstruction method base
J. Venom. Anim. Toxins incl. Trop. Dis. Publicado em: 14/02/2019
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3. Determinação da taxa de desintegração e das probabilidades de emissão gama por decaimento do I-123 / Disintegration rate and gamma ray emission probability per decay measurement of 123I
Neste trabalho foi desenvolvido o método de padronização do 123I em sistema de coincidências 4π(X,A)-γ. O 123I foi produzido no cíclotron Cyclone-30 do IPEN CNEN/SP, por meio da irradiação do 124Xe. O 123I decai com uma meia vida de 13,22 horas pelo processo de captura eletrônica seguido da emissão de radiação gama. Foi aplicada a técnic
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/05/2012
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4. Determinação da taxa de desintegração de TC 99M e IN 111 em sistemas de coincidências / Disintegration rate of Tc -99m and In -111 radioactive solutions in coincidence systems
Este trabalho apresenta os métodos de padronização de 111In e 99mTc, em sistemas de coincidências 4πβ-γ. O 111In foi produzido em cíclotron pela reação 111Cd(p, n)111In; decai com uma meia vida de 2,8 dias pelo processo de captura eletrônica populando os níveis excitados do 111Cd, emitindo raios gama de 171 keV e 245 keV. O 99mTc decai
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 16/11/2011
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5. Estratégias de amostragem e estabelecimento de coleções nucleares
O objetivo deste trabalho foi avaliar a influência da intensidade de amostragem, do tamanho da coleção de germoplasma inicial e da variância da amostragem sobre a qualidade das respectivas coleções nucleares, quanto à representatividade das coleções iniciais. Foram simulados sete tamanhos de coleções iniciais e utilizadas seis intensidades de amos
Pesquisa Agropecuária Brasileira. Publicado em: 2011
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6. Identificação dos limiares de lactato, ventilatórios e eletromiográficos em exercício resistido
Resistance training (RT) has been subject of several scientific studies, since its application not only for aesthetic purposes, but in health promotion and sports activities. To understand the determinants of physical performance is necessary to analyze biochemical, biomechanical and physiological phenomena triggered as a result of each physical activity pro
Publicado em: 2010
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7. Avaliação dos casos de aborto e suas complicações em dois hospitais de Campinas / Evaluation of abortions and their complications among women admitted in two hospitals in Campinas
Introduction: The unsafe abortion corresponds to one of the major causes of maternal death in the world. During the last decade, the access to safer methods to abortion, mainly misoprostol, has contributed to decrease of abortion morbidity. In Campinas, the maternal mortality by abortion seems to have fallen considerably. This can have occurred because of th
Publicado em: 2009
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8. Padronização dos Radionuclídeos 201Tl e 55Fe em sistema de coincidências 4(PC)-NaI(Tl) / STANDARDIZATION OF 201Tl AND 55Fe RADIONUCLIDES IN A 4(PC)-NaI(Tl) COINCIDENCE SYSTEM
In the present work the procedure for the standardization of radionuclides using the 4(PC)-NaI(Tl) coincidence system was developed. The radionuclides selected were 201Tl, used in nuclear medicine, and 55Fe primary standard source, used for x-ray spectrometers calibration. The 4(PC)-NaI(Tl) is composed of a 4 proportional counter operated at 0.1MPa coupled t
Publicado em: 2008
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9. Acelaração do universo e criação gravitacional de matéria escura fria: novos modelos e testes observacionais
Recent astronomical observations (involving supernovae type Ia, cosmic background radiation anisotropy and galaxy clusters probes) have provided strong evidence that the observed universe is described by an accelerating, flat model whose space-time properties can be represented by the FriedmannRobertsonWalker (FRW) metric. However, the nature of the substanc
Publicado em: 2008
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10. Effect of two solanaceous plants on developmental and population parameters of the tomato leaf miner, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)
Tuta absoluta (Meyrick) is an important tomato pest that also feeds on other host-plants from the Solanceae family. We studied the effect of two cultivated plants, tomato (Lycopersicum esculentum Mill.) and potato Solanum tuberosum L. on the development and populational parameters of T. absoluta related with host-plant suitability. Larval developmental time,
Neotropical Entomology. Publicado em: 2006-10
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11. Desenvolvimento de um sistema de alarme inteligente para equipamentos de monitorização multiparamétrica de pacientes. / Development of an intelligent alarm system for patient multiparametric monitoring equipaments.
The objective of this work is the development of an Intelligent Alarm System architecture aiming at its application on a Multiparameter Patient Monitoring Equipment, which must be in compliance to international electrical medical equipment safety standards. This theme was raised during the project of a Multiparameter Patient Monitoring Equipment developed at
Publicado em: 2006
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12. Instrumental neutron activation analysis with Compton suppression for the evaluation of foodstuff composition / "Supressão Compton na análise por ativação neutrônica instrumental de produtos agrícolas destinados à alimentação humana"
Instrumental neutron activation analysis (INAA) is a good option for studying chemical composition of food, allowing the simultaneous determination of several elements. However, the incomplete deposition of gamma-ray energies in the detector crystal due to Compton scatter can elevate the spectrum baseline making difficult the determination of some elements.
Publicado em: 2004