Search Results - "Appoloni, Carlos R."

  • Showing 1 - 20 results of 20
Refine Results
  1. 1

    Effects of manual threshold setting on image analysis results of a sandstone sample structural characterization by X-ray microtomography by Moreira, Anderson C., Appoloni, Carlos R., Mantovani, Iara F., Fernandes, Jaquiel S., Marques, Leonardo C., Nagata, Rodrigo, Fernandes, Celso P.

    Published in Applied radiation and isotopes (01-06-2012)
    “…Binarization process plays an important role in structural characterization by means of micro-CT images analysis. The choice of the correct threshold to…”
    Get full text
    Journal Article
  2. 2

    Pore size distributions convolution for microtomographic images applied to Shark Bay's oolite by dos Reis, Paulo J., Nagata, Rodrigo, Appoloni, Carlos R.

    Published in Micron (Oxford, England : 1993) (01-07-2017)
    “…•A pore size distribution convolution obtained by microtomographic images applied to an oolite from Sharks Bay, Australia.•The weight factor that allows…”
    Get full text
    Journal Article
  3. 3

    X‐ray fluorescence spectroscopy and Monte Carlo simulation for quantitative characterization of Bolivian pre‐Hispanic golden artefacts by Melquiades, Fabio L., Santos, Sandro V., Lopes, Fabio, Villanueva, Juan, Ticona, Jorge L., Appoloni, Carlos R.

    Published in X-ray spectrometry (01-01-2021)
    “…The quantification of archaeological artefacts with X‐ray Fluorescence is quite complex because it demands some calibration procedure. It is also rather more…”
    Get full text
    Journal Article
  4. 4
  5. 5

    Accuracy evaluation of an X-ray microtomography system by Fernandes, Jaquiel S., Appoloni, Carlos R., Fernandes, Celso P.

    Published in Micron (Oxford, England : 1993) (01-06-2016)
    “…•We verify the accuracy of microtomograph with nylon lines with known diameter.•The microtomographic system showed excellent results for the standard…”
    Get full text
    Journal Article
  6. 6

    Applicability of an X-ray and gamma-ray portable spectrometer for activity measurement of environmental soil samples by Fernandes, Jaquiel S., Appoloni, Carlos R., Andrello, Avacir C.

    Published in Radiation measurements (01-08-2010)
    “…This paper presents a study on the applicability of a commercial X-ray and gamma-ray portable spectrometer (Rover) for in situ gamma-ray spectrometry. This…”
    Get full text
    Journal Article
  7. 7

    Some geological characteristics in a regolith-limey shale rock profile through natural radionuclides distribution by Ferreira, Ademar de O., Bastos, Rodrigo O., Appoloni, Carlos R.

    Published in Applied radiation and isotopes (01-09-2010)
    “…The objective of this work is to study some geological characteristics in a regolith-rock profile by analyzing the distribution of natural radionuclides along…”
    Get full text
    Journal Article
  8. 8

    Materiais pictóricos da cerâmica Guarani do alto Uruguai a partir de medidas de fluorescência de raios X by Carbonera, Mirian, Appoloni, Carlos R., Santos, Gustavo H. dos

    “…Os Guarani pré-coloniais estavam distribuídos por grandes áreas da América do Sul, especialmente em regiões da Bacia do Rio da Prata e zonas litorâneas do Sul…”
    Get full text
    Journal Article
  9. 9

    Computed Radiography, PIXE and XRF analysis of pre-colonial pottery from Maranhão, Brazil by Ikeoka, Renato A., Appoloni, Carlos R., Rizzutto, Marcia A., Bandeira, Arkley M.

    Published in Microchemical journal (01-05-2018)
    “…This work concerns the archaeometric analysis of ceramic fragments from archaeological excavations carried out in “Sambaqui do Bacanga”, “Sambaqui do…”
    Get full text
    Journal Article
  10. 10

    Characterization of porous microstructure by x-ray microtomography by Appoloni, Carlos R., Macedo, Álvaro, Fernandes, Celso P., Philippi, Paulo C.

    Published in X-ray spectrometry (01-03-2002)
    “…Knowledge of the porous structure of amorphous material is of fundamental importance in calculating geometric parameters such as total porosity, pore size…”
    Get full text
    Journal Article Conference Proceeding
  11. 11
  12. 12

    Optimization of measure parameters for an X- and gamma-ray spectrometry portable system by Fernandes, Jaquiel S., Appoloni, Carlos R.

    “…In order to optimize the use of a system for in situ gamma ( γ)- and X-ray spectrometry composed of a 3×3×1 mm 3 Cadmium Telluride (CdTe) detector with respect…”
    Get full text
    Journal Article
  13. 13

    Guarani ceramics pictorial material from X-ray fluorescence measurements/Materiais pictoricos da ceramica Guarani do alto Uruguai a partir de medidas de fluorescencia de raios X by Carbonera, Mirian, Appoloni, Carlos R, dos Santos, Gustavo H

    “…The precolonial Guarani used to be spread over large areas in South America, especially in regions of the Prata River basin and Brazil's coastal areas. Their…”
    Get full text
    Journal Article
  14. 14

    Minimum level of component discrimination for characterization of biphasic mixtures (oil / brine or gas) using gamma and x-ray transmission by Luiz Diego Marestoni, Carlos R Appoloni, Jair Romeu Eichlt

    Published in Semina. Ciências exatas e tecnológicas (01-09-2011)
    “…In this paper we propose the concept of Minimum Level of Component Discrimination (NMDC) to determine the components discrimination in a biphasic mixture. A…”
    Get full text
    Journal Article
  15. 15
  16. 16

    Nível mínimo de discriminação de componente para caracterização de misturas bifásicas (petróleo/água salgada ou gás) usando transmissão de raios-x ou gama by Marestoni, Luiz Diego, Appoloni, Carlos Roberto, Eichlt, Jair Romeu

    Published in Semina. Ciências exatas e tecnológicas (01-12-2011)
    “…  Neste trabalho propomos o conceito de Nível Mínimo Discriminação de Componentes (NMDC) para determinar a discriminação de componentes de uma mistura…”
    Get full text
    Journal Article
  17. 17
  18. 18

    Uso da fluorescência de raios X portátil (XRF) in vivo como técnica alternativa para acompanhamento dos níveis de ferro em pacientes com sobrecarga de ferro by Estevam, Marcelo, Appoloni, Carlos R.

    “…Foi investigada a viabilidade da aplicação da técnica de fluorescência de raios X (XRF) como alternativa para acompanhamento dos níveis de ferro em pacientes…”
    Get full text
    Journal Article
  19. 19

    A Arqueometria e a Análise de Artefatos Cerâmicos by Fabiola A. Silva, Carlos R. Appoloni, Fernando R. E. Quiñones, Ademilson O. Santos, Luzeli M. da Silva, Paulo F. Barbieri, Virgilio F. Nascimento Filho

    “…Este trabalho trata da análise arqueométrica de diferentes conjuntos cerâmicos arqueológicos e etnográficos atribuídos a populações Tupi. O objetivo é…”
    Get full text
    Journal Article
  20. 20