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Reproducibility of heart rate variability parameters measured in healthy subjec...
Dantas,E.M.; Gonçalves,C.P.; Silva,A.B.T.; Rodrigues,S.L.; Ramos,M.S.; Andreão,R.V.; Pimentel,E.B.; Lunz,W.; Mill,J.G.Heart rate variability (HRV) provides important information about cardiac autonomic modulation. Since it is a noninvasive and inexpensive method, HRV has been used to evaluate several parameters of cardiovascular health. However, the internal reproducibility of this method has been challenged in some studies. Our aim was to determine the intra-individual reproducibility of HRV parameters in short-term recording...
Programa para manejo da irrigação de precisão em culturas perenes.
NAIME, J. de M.; SILVA, A. B. R. da; BASSOI, L. H.; VAZ, C. M. P.2009
Hydrogen peroxide induces a specific DNA base change profile in the presence of...
Felício,D.L.; Almeida,C.E.B.; Silva,A.B.; Leitão,A.C.Pretreatment of Escherichia coli cultures with the iron chelator 2,2’-dipyridyl (1 mM) protects against the lethal effects of low concentrations of hydrogen peroxide (<15 mM). However, at H2O2 concentrations equal to or greater than 15 mM, dipyridyl pretreatment increases lethality and mutagenesis, which is attributed to the formation of different types of DNA lesions. We show here that pretreatment with ...
An analytical solution for the critical number of particles for stable bose-ein...
Sousa,A. G. de; Bagnato,V. S.; Silva,A. B. F. daWe have considered a Bose gas in an anisotropic potential. Applying the the Gross-Pitaevskii Equation (GPE) for a confined dilute atomic gas, we have used the methods of optimized perturbation theory and self-similar root approximants, to obtain an analytical formula for the critical number of particles as a function of the anisotropy parameter for the potential. The spectrum of the GPE is also discussed.
Levantamento de reconhecimento de solos e avaliação do potencial de terras para...
SILVA, F. H. B. B. da; SILVA, A. B. da2006
Diagnóstico ambiental do município de Floresta, Pernambuco.
ARAÚJO FILHO, J. C.; SILVA, A. B.; SILVA, F. B. R. e; LEITE, A. P.2001
Principais características do sistema de produção de hortaliças no município de...
SILVA, A. B.; REZENDE, S. B.; SOUSA, A. R.; RESENDE, M.; FERRAZ, L. G. B.2001
Efeitos do centeio na utilização digestiva dos nutrientes e no trânsito digesti...
Mourão, J.L.; Silva, A.BEstudo com o fim de conhecer os efeitos de níveis elevados de centeio na dieta do frango de carne e da sua suplementação com um complexo enzimático com atividade xilanase na digestibilidade e transito digestivo
SELECTIVE HYDROGENATION OF CINNAMALDEHYDE WITH Pt AND Pt-Fe CATALYSTS: EFFECTS ...
Silva,A.B. da; Jordão,E.; Mendes,M.J.; Fouilloux,P.Low-temperature reduced TiO2-supported Pt and Pt-Fe catalysts are much more active and selective for the liquid–phase hydrogenation of cinnamaldehyde to unsaturated cinnamyl alcohol than the corresponding carbon-supported catalysts. High-temperature reduced catalysts, where the SMSI effect should be present, are almost inactive for this reaction. There is at present no definitive explanation for this effect but...
Polysomnography in idiopathic muscle pain syndrome (fibrositis)
Silva,A. B.; Bertoríni,T. E.; Lemmi,H.Muscle pain occurs in various neuromuscular disorders with characteristic physiological or biochemical abnormalities. There is, however, a group of patients in whom there is no clear physiological or structural basis for their pains. This syndrome has been called fibrositis or fibromyalgia. Sleep abnormalities have been reported in some of these patients, but have not been confirmed by others. We studied 8 pati...
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