Equipment Failure
Mostrando 1-12 de 64 artigos, teses e dissertações.
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1. Acidentes de trabalho entre profissionais da limpeza hospitalar em uma capital do Nordeste, Brasil
Resumo O objetivo deste estudo foi investigar a prevalência e os fatores associados aos acidentes de trabalho entre profissionais da limpeza hospitalar. Foram entrevistados 199 trabalhadores da limpeza de seis hospitais em São Luís, Maranhão, Brasil. Primeiramente, realizou-se análise univariada e, posteriormente, utilizaram-se as análises de regressã
Ciênc. saúde coletiva. Publicado em: 28/10/2019
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2. Prevalence of peripheral arterial disease in patients with heart failure with preserved ejection fraction
OBJECTIVES: To describe the prevalence of the reduced ankle-brachial index (ABI) in patients with heart failure (HF) with preserved ejection fraction (HFpEF) attended at a HF clinic in the metropolitan region of Porto Alegre, and to compar the patients to those with reduced ejection fraction (HFrEF). METHODS: A descriptive observational study, included pat
Clinics. Publicado em: 14/10/2019
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3. Experiencias de mujeres sobrevivientes a morbilidad materna extrema en México, un estudio cualitativo desde el modelo de las tres demoras
Resumo: O objetivo foi analisar as experiências de sobreviventes de morbidade materna extrema para, a partir da abordagem das três demoras, identificar os determinantes que obstaculizam esse processo no estado de San Luis Potosí, México. No período 2016-2017 foi efetuado um estudo qualitativo com 27 mulheres que experimentaram um evento deste tipo, entr
Cad. Saúde Pública. Publicado em: 16/09/2019
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4. Good hygienic practices and identification of contamination sources in Hotel Food and Beverage sector
Abstract This study aimed to evaluate the application of good practices in hotel restaurants in Southern Brazil, relate these practices to the microbiological quality of the food offered, in addition to identifying contamination sources. The food and beverage sector of four hotels was evaluated by means of a checklist based on the Resolution 216/2014 of Ag�
Food Sci. Technol. Publicado em: 26/07/2018
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5. Laboratory study of dynamic mechanical characteristic of granite subjected to confining pressure and cyclic blast loading
Abstract To investigate the deformation characteristic of deep rock under cyclic blasting, the static-dynamic loading experimental equipment was set up. The dynamic strain gauges and high-speed (HS) camera were adopted to obtain strain field and the crack propagation of rock under confining pressure of 0 MPa, 5 MPa and 10 MPa. Under the one-time loading fro
Lat. Am. j. solids struct.. Publicado em: 28/06/2018
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6. Evaluation of a Thermochromic Liquid Crystal for Use as a Temperature Sensor for Components of Electrical Systems
Connectors used in electrical power distribution systems should allow the passage of electricity continuously and without interruption. However, this does not always occur due to failure caused by improper assembly and/or corrosion of the materials employed, which reflects the quality of service. Notable among the new detection technologies that have been st
Mat. Res.. Publicado em: 22/05/2017
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7. Biological X-ray irradiator characterization for use with small animals and cells
This study presents the characterization of an X-ray irradiator through dosimetric tests, which confirms the actual dose rate that small animals and cells will be exposed to during radiobiological experiments. We evaluated the linearity, consistency, repeatability, and dose distribution in the positions in which the animals or cells are placed during irradia
Braz J Med Biol Res. Publicado em: 02/03/2017
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8. Correlation between stabilizer consumption and degree of polymerization of thermally upgraded paper aged in insulating natural ester and insulating mineral oil
Abstract Insulating paper holds significant importance in the insulation system of power transformers, and thus, its degradation is the subject of many studies. A successful evaluation of the degradation rate of such paper contributes to reducing downtime and avoiding equipment failure. In this work, samples of thermally upgraded paper were thermally aged in
Polímeros. Publicado em: 04/03/2016
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9. Configuration Study of Structurally Integrated Thermal Protection Systems for a Sub-Orbital Platform
ABSTRACT: The atmospheric hypersonic flight of sub-orbital and space vehicles generates aerodynamic heating and high wall heat fluxes, inducing high temperatures on the vehicle's structures and affecting their mechanical behavior, besides degrading the operation of board equipment. Furthermore, since payload preservation is always mandatory, the use of effic
J. Aerosp. Technol. Manag.. Publicado em: 2015-06
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10. Endovenous ablation (radiofrequency and laser) and foam sclerotherapy versus conventional surgery for great saphenous vein varices
BACKGROUND: Minimally invasive techniques to treat great saphenous varicose veins include ultrasound-guided foam sclerotherapy (USGFS), radiofrequency ablation (RFA) and endovenous laser therapy (EVLT). Compared with conventional surgery (high ligation and stripping (HL/S)), proposed benefits include fewer complications, quicker return to work, improved qu
Sao Paulo Med. J.. Publicado em: 2014
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11. Riscos ocupacionais e acidentes com material biológico em profissionais de enfermagem da saúde coletiva / Occupational risks and accidents with biological material among nursing workers in the collective health field
The objective of this descriptive and quantitative study was to analyze occupational risks and accidents among nursing workers in the collective health field with a focus on biological material - BM. The study\ s setting included the cities participating in a Committee of Regional Management in the state of São Paulo, Brazil and was developed in two phases.
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/10/2012
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12. O planejamento econômico no Brasil: considerações críticas
In the past thirty years, a series of plans have been developed by successive Brazilian governments in a continuing effort to maximize the nation's resources for economic and social growth. This planning history has been quantitatively rich but qualitatively poor. The disjunction has stimulated Professor Mello e Souza to address himself to the problem of nat
Rev. Adm. Pública. Publicado em: 2012-12