Search Results - "DANTAS, M. B"

Evaluation of the oxidative stability of corn biodiesel by Dantas, M.B., Albuquerque, A.R., Barros, A.K., Rodrigues Filho, M.G., Antoniosi Filho, N.R., Sinfrônio, F.S.M., Rosenhaim, R., Soledade, L.E.B., Santos, I.M.G., Souza, A.G.

“…The main factors responsible for the oxidative processes of biodiesel are oxygen, metal traces, high temperature and the amount of unsaturated fatty acids. The…”
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Thermal and kinetic study of corn biodiesel obtained by the methanol and ethanol routes by DANTAS, M. B, CONCEICAO, Marta M, FERNANDES, V. J, SANTOS, Nataly A, ROSENHAIM, R, MARQUES, Aldalea L. B, SANTOS, Ieda M. G, SOUZA, A. G

“…This work evaluates the thermal and kinetic behaviour of corn biodiesel obtained by the methanol and ethanol routes. As to the TG curves, in air three thermal…”
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Characterization and kinetic compensation effect of corn biodiesel by DANTAS, M. B, ALMEIDA, A. A. F, CONCEICAO, Marta M, FERNANDES, V. J, SANTOS, Ieda M. G, SILVA, F. C, SOLEDADE, L. E. B, SOUZA, A. G

“…This work presents the characterization and the kinetic compensation effect of corn biodiesel obtained by the methanol and ethanol routes. The biodiesel was…”
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Influence of drying processes on oxidative stability of ethyl corn biodiesel by differential scanning calorimetry by Vasconcelos, A. F. F., Dantas, M. B., Filho, M. G. R., Rosenhaim, R., Cavalcanti, E. H. S., Antoniosi Filho, N. R., Sinfrônio, F. S. M., Santos, I. M. G., Souza, A. G.

“…The influence of drying processes in the biodiesel oxidation was investigated by means of the oxidative induction time obtained from differential scanning…”
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IAEA INTERCOMPARISON EXERCISES OF THYROID MEASUREMENT: PERFORMANCE OF LATIN AMERICAN AND CARIBBEAN LABORATORIES by Dantas, B M, Dantas, A L A, Cruz-Suarez, R

“…(131)I is widely used in Latin America and Caribbean Region in the field of nuclear medicine and has been recognised as one of the main sources of potential…”
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A MOBILE BIOASSAY LABORATORY FOR THE ASSESSMENT OF INTERNAL DOSES BASED ON IN VIVO AND IN VITRO MEASUREMENTS by Dantas, B.M, Lucena, E.A, Dantas, A.L.A, Santos, M.S, Julião, L.Q.C, Melo, D.R, Sousa, W.O, Fernandes, P.C, Mesquita, S. A

“…Internal exposures may occur in nuclear power plants, radioisotope production, and in medicine and research laboratories. Such practices require quick response…”
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Determination of uncertainties associated to the in vivo measurement of iodine-131 in the thyroid by Dantas, B.M., Lima, F.F., Dantas, A.L., Lucena, E.A., Gontijo, R.M.G., Carvalho, C.B., Hazin, C.

“…Intakes of radionuclides can be estimated through in vivo measurements, and the uncertainties associated to the measured activities should be clearly stated in…”
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Biodiesel from soybean oil, castor oil and their blends: Oxidative stability by PDSC and rancimat by Dantas, M. B., Albuquerque, A. R., Soledade, L. E. B., Queiroz, N., Maia, A. S., Santos, I. M. G., Souza, A. L., Cavalcanti, E. H. S., Barro, A. K., Souza, A. G.

“…Even not being described in the EN 14112 standard, PDSC has been used for the determination of the biodiesel oxidative stability, by OIT and OT measurements…”
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Rheology and MT-DSC studies of the flow properties of ethyl and methyl babassu biodiesel and blends by Santos, N. A., Rosenhaim, R., Dantas, M. B., Bicudo, T. C., Cavalcanti, E. H. S., Barro, A. K., Santos, I. M. G., Souza, A. G.

“…Biodiesel is an increasingly attractive alternative to diesel fuel. The main component of Babassu biodiesel is lauric acid (C12:0), which is a saturated fatty…”
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Performance of IRD-WBC HPGe detection system for low energy photon emitters in lungs by AZEREDO, A. M. G. F, LOURENCO, M. C, DANTAS, A. L. A, DANTAS, B. M

“…The Whole Body Counter Facility (WBC) of IRD-CNEN in Brazil has been operating since 1986. The first system installed to perform in vivo measurements of low…”
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In vivo measurement technique of 40K as an indicator of the amount of skeletal muscle tissue in the human body by SOUSA, W. De O, DANTAS, B. M, LIPSZTEIN, J. L

“…Potassium is an essential element for human metabolism. It is present in all living cells and predominantly in the skeletal muscle tissue. The energy of 40K…”
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A new mammography dosimetric phantom by Almeida, C D, Coutinho, C M C, Dantas, B M, Peixoto, J E, Koch, H A

“…Breast phantoms produced with tissue-equivalent materials are used in an attempt to simulate glandular and adipose tissues, in terms of X-ray attenuation and…”
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Voxel phantoms and Monte Carlo methods applied to in vivo measurements for simultaneous 241Am contamination in four body regions by HUNT, J. G, DANTAS, B. M, LOURENCO, M. C, AZEREDO, A. M. G

“…A Monte Carlo program, Visual Monte Carlo (VMC) in vivo, was written to simulate photon transport through an anthropomorphic phantom and to detect radiation…”
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Thermal characterization of oil and biodiesel from oiticica (Licania rigida Benth) by Macedo, F. L., Candeia, R. A., Sales, L. L. M., Dantas, M. B., Souza, A. G., Conceição, M. M.

“…Searching for other alternative sources, which are not part of the food chain, and which are able to supply the biofuel market is a promising option. In this…”
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A methodology to evaluate occupational internal exposure to fluorine-18 by Oliveira, C M, Dantas, A L A, Dantas, B M

“…The objective of this work is to develop procedures for internal monitoring of (18)F to be applied in cases of possible incorporation of fluoride and (18)FDG,…”
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IAEA regional intercomparison of in vivo measurements of 131I in the thyroid: the Latin American and Caribbean experience by Dantas, B M, Dantas, A L A, Santos, D S, Cruz-Suárez, R

“…An in vivo intercomparison exercise, organised in the scope of the IAEA Regional Latin American (RLA) Project 9066, was carried out in 2009 aimed to harmonise…”
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Calibration of In Vivo Measurement Systems Using a Voxel Phantom and the Monte Carlo Technique by Hunt, J.G., Malátová, I., Foltánova, S., Dantas, B.M.

“…A voxel phantom has been developed to simulate in vivo measurement systems for calibration purposes. The calibration method presented employs a mathematical…”
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Calibration of in vivo measurement systems and evaluation of lung measurement uncertainties using A voxel phantom by HUNT, J. G, BERTELLI, L, DANTAS, B. M, LUCENA, E

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Accreditation and training on internal dosimetry in a laboratory network in Brazil: an increasing demand by Dantas, B M, Dantas, A L A, Acar, M E D, Cardoso, J C S, Julião, L M Q C, Lima, M F, Taddei, M H T, Arine, D R, Alonso, T, Ramos, M A P, Fajgelj, A

“…In recent years, Brazilian Nuclear Programme has been reviewed and updated by government authorities in face of the demand for energy supply and its associated…”
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Calibration of an In Vivo Measurement System Using a Voxel Phantom by Hunt, J.G., Dantas, B.M., Lucena, E.

“…Although great efforts have been made to improve the physical phantoms used to calibrate in vivo measurement systems, these phantoms represent a single average…”
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