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Proposals for improvement of methodology and process of collecting and analyzing compatibility of power quality indicators in distribution systems
(2011-05-31)
This article aims to present proposals for improvement of key standards and resolutions concerned about the methodology for calculating the indicator of total harmonic voltage distortion, and should contribute to the process ...
Análise de confiabilidade na manutenção de forno elétrico
(Universidade Tecnológica Federal do ParanáCuritibaBrasilEspecialização em Engenharia da ConfiabilidadeUTFPR, 2019-11-07)
This paper examines the performance of the induction furnace of a foundry, after the implementation of Reliability Centered Maintenance (MCC) in 2010. The electric furnace is used to manufacture spare parts that are used ...
Feasibility of internal standardization in the direct and simultaneous determination of As, Cu and Pb in sugar-cane spirits by graphite furnace atomic absorption spectrometry
(Elsevier B.V., 2009-03-16)
Bismuth and Sb were evaluated as internal standards (IS) to minimize matrix effects on the direct and Simultaneous determination of As, Cu, and Pb in cachaca by graphite furnace atomic absorption spectrometry using W-coated ...
Feasibility of internal standardization in the direct and simultaneous determination of As, Cu and Pb in sugar-cane spirits by graphite furnace atomic absorption spectrometry
(Elsevier B.V., 2009-03-16)
Bismuth and Sb were evaluated as internal standards (IS) to minimize matrix effects on the direct and Simultaneous determination of As, Cu, and Pb in cachaca by graphite furnace atomic absorption spectrometry using W-coated ...
Direct and Simultaneous Determination of Cd Cu, and Se in Blood Samples by Graphite Furnace Atomic Absorption Spectrometry
(Perkin-elmer Corp, 2009-07-01)
A graphite furnace atomic absorption spectrometric method is proposed for the direct and simultaneous determination of Cd, Cu, and Se in human blood. Samples were diluted 1:10 (v/v) in 0.5% (v/v) HNO3 + 0.5% (v/v) Triton ...
Direct and simultaneous determination of Cd, Cu, and Se in blood samples by graphite furnace atomic absorption spectrometry
(2009-11-26)
A graphite furnace atomic absorption speclromclric method is proposed for the direct and simultaneous determination of Cd. Cu. and Se in human blood. Samples were diluted 1:10 (v/v) in 0.6% (v/v) UNO3 + 0.6% (v/v) Triton ...
Elaboração e fundição de precisão
(1996-12-01)
This paper describes the methodology of an investment casting Al-Li-Cu-Mg alloy preparation. A zirconite based shell mold was used casting 12 tension test geometric samples. This alloy has been prepared from an Al-6,9%Li ...
Determination of heavy metals in activated charcoals and carbon black for Lyocell fiber production using direct solid sampling high-resolution continuum source graphite furnace atomic absorption and inductively coupled plasma optical emission spectrometry
(2010)
Reactivity and concentration of additives, especially activated charcoal, employed for the Lyocell process, enhance the complexity of reactions in cellulose/N-methylmorpholine-N-oxide monohydrate solutions.
Analytical ...