Search Results - "Assis, Joaquim T."

Influence of contact points on the performance of caries detection methods in approximal surfaces of primary molars: an in vivo study by Ribeiro, Apoena A, Purger, Flávia, Rodrigues, Jonas A, Oliveira, Patrícia R A, Lussi, Adrian, Monteiro, Antonio Henrique, Alves, Haimon D L, Assis, Joaquim T, Vasconcellos, Adalberto B

“…This in vivo study aimed to evaluate the influence of contact points on the approximal caries detection in primary molars, by comparing the performance of the…”
Get more information

Effect of creep on the mode II residual fracture energy of adhesives by Carneiro Neto, Ranulfo M., Akhavan‐Safar, Alireza, Sampaio, Eduardo M., Assis, Joaquim T., da Silva, Lucas F. M.

“…Viscous flow that often occurs in adhesive materials leads to a permanent deformation when adhesives are subjected to creep loading. Creep loading has a…”
Get full text

Multielemental analysis in Nerium Oleander L. leaves as a way of assessing the levels of urban air pollution by heavy metals by Santos, Ramon S., Sanches, Francis A.C.R.A., Leitão, Roberta G., Leitão, Catarine C.G., Oliveira, Davi F., Anjos, Marcelino J., Assis, Joaquim T.

“…In this study, Nerium oleander L. leaves were used as biomonitors to evaluate environmental pollutants levels in a sub-region in the Metropolitan Area of Rio…”
Get full text

Determination of Nickel and Manganese Contaminants in Pharmaceutical Iron Supplements Using Energy Dispersive X-ray Fluorescence by Cardoso, Pedro, Amaro, Pedro, Santos, José Paulo, de Assis, Joaquim T., Carvalho, Maria Luisa

“…In this study, we investigate the capability of energy dispersive X-ray fluorescence (EDXF) spectrometry in a triaxial geometry apparatus as a fast and…”
Get full text

The structure of two-layered objects reconstructed using EDXRF-analysis and internal X-ray ratios by Cesareo, Roberto, Buccolieri, Giovanni, Castellano, Alfredo, Lopes, Ricardo T., De Assis, Joaquim T., Ridolfi, Stefano, Brunetti, Antonio, Bustamante, Angel

“…Many objects of common use (tools, utensils, metals, knick‐knacks, dishes and glasses) and artifacts (for example paintings of all types) are composed of two…”
Get full text

Characterization of a sacred statuette replica of “Nossa Senhora da Conceição Aparecida” using X-ray spectrometry techniques by Sanches, Francis A.C.R. de A., Nardes, Raysa C., Filho, Hamilton S.G., dos Santos, Ramon S., de Araújo, Olga M.O., Machado, Alessandra Silveira, Calgam, Teresa, Bueno, Regina, Canellas, Catarine, Gonçalves, Elicardo A.S., Assis, Joaquim T., de Freitas, Renato P., de Oliveira, Davi F., Lopes, Ricardo T., dos Anjos, Marcelino J.

“…The pigments characterization in artwork and cultural heritage is important since it allows to reveal many information like the period characteristics in which…”
Get full text

Characterization of Pictorial Materials of Two 18th Century Sculptures: King David and Bathsheba by Sanches, Francis A. C. R. A., Nardes, Raysa C., Santos, Ramon S. dos, Leitão, Roberta G., Leitão, Catarine C. G., Assis, Joaquim T., Gusmão, Elanie T. de, Lopes, Ricardo T., Oliveira, Davi F. de, Anjos, Marcelino J. dos

“…In this {work}, the X-ray fluorescence technique was employed to characterize the pictorial materials used in two sculptures from the 18th. In addition, Raman…”
Get full text

Análise do Douramento das Pinturas Decorativas da Berlinda de Aparato do Imperador D. Pedro II by Nardes, Raysa C., Sanches, Francis A. C. R. A., Santos, Ramon S., Gama Filho, Hamilton, Freitas, Renato P., Oliveira, Davi F., Assis, Joaquim T., Zanatta, Eliane M., Anjos, Marcelino J.

“…A Berlinda de Aparato do Imperador D. Pedro II é um objeto museológico muito importante para a história do Brasil. Trata-se do veículo imperial mais imponente…”
Get full text

Comparison of SRIM, MCNPX and GEANT simulations with experimental data for thick Al absorbers by Evseev, Ivan G., Schelin, Hugo R., Paschuk, Sergei A., Milhoretto, Edney, Setti, João A.P., Yevseyeva, Olga, de Assis, Joaquim T., Hormaza, Joel M., Díaz, Katherin S., Lopes, Ricardo T.

“…Proton computerized tomography deals with relatively thick targets like the human head or trunk. In this case precise analytical calculation of the proton…”
Get full text

GEANT4 simulations for low energy proton computerized tomography by Milhoretto, Edney, Schelin, Hugo R., Setti, João A.P., Denyak, Valery, Paschuk, Sergei A., Evseev, Ivan G., de Assis, Joaquim T., Yevseyeva, O., Lopes, Ricardo T., Vinagre Filho, Ubirajara M.

“…This work presents the recent results of computer simulations for the low energy proton beam tomographic scanner installed at the cyclotron CV-28 of IEN/CNEN…”
Get full text

Blind signal separation and identification of mixtures of images by do Carmo, Felipe P, de Assis, Joaquim T, Vieira Estrela, Vania, Coelho, Alessandra M

“…In this paper, a novel technique for blind signal separation based on a combination of second order and higher order approaches is introduced. The problem of…”
Get full text

Multilayered samples reconstructed by measuring Kα/Kβ or Lα/Lβ X-ray intensity ratios by EDXRF by Cesareo, Roberto, de Assis, Joaquim T., Roldán, Clodoaldo, Bustamante, Angel D., Brunetti, Antonio, Schiavon, Nick

“…In this paper a general method based on energy-dispersive X-ray fluorescence (EDXRF) analysis has been tested to assess its possible use as a tool to…”
Get full text

Characterization an wooden Pietà sculpture from the XVIII century using XRF and microct techniques by Sanches, Francis Anna C.R.A., Nardes, Raysa C., Santos, Ramon S., Gama Filho, Hamilton S., Machado, Alessandra S., Leitão, Roberta G., Leitão, Catarine C.G., Calgam, Teresa E., Bueno, Regina, Assis, Joaquim T., Oliveira, Davi F., Lopes, Ricardo T., Anjos, Marcelino J.

“…In this work the pigments, ground layer and the structure of a polychrome wooden Pietà sculpture from the 18th century was characterized using X-ray…”
Get full text

Transmission of X and γ-rays to differentiate tumbaga from gold and gilded copper by Cesareo, Roberto, Iwanczyk, Jan, Bustamante, Angel, Anjos, Marcelino Dos, de Assis, Joaquim T., Azeredo, Soraia, Lopes, RicardoT

“…•Attenuation measurements of monoenergetic X and γ-rays, in addition to energy-dispersive X-ray fluorescence analysis, can help to differentiate a gold-alloy…”
Get full text

Abstract ID: 69 Validation of XRMC Monte Carlo toolkit for external dosimetry applied to mammography by Hoff, Gabriela, de Assis, Joaquim T., Brunetti, Antonio, Fanti, Viviana, Golosio, Bruno

“…The objective of this project is to validate for macroscopic quantities the xrmc toolkit version 6.5.0-2 [1], comparing against experimental data collected for…”
Get full text

Using Monte Carlo to explore 3D reconstruction to geological application: preliminary characterization of technique limitations by Hoff, Gabriela, Dominguez, Joel S., Brunetti, Antonio, de Assis, Joaquim T.

“…The main objective of this project was to define a methodology for sediments characterization, imaging the material deposited in the tanks or in locu. It was…”
Get full text

Comparison of XRMC and Geant4 on dosimetry applied to mammography by Hoff, Gabriela, de Assis, Joaquim T., Brunetti, Antonio, Fanti, Viviana, Golosio, Bruno

“…The objective of this project was to compare XRMC version 6.5.0-2 to Geant4 version 10.02.p02 and the results of both Monte Carlo tools to experimental data…”
Get full text

UTILIZAÇÃO DE DESCARTE DE RESÍDUOS TÊXTEIS (POLIAMIDA/POLIÉSTER), COMO AGREGADO EM CONCRETO by Andrade, Daniel G., Machado, Petterson B., Assis, Joaquim T. de, Pessoa, José Renato de C., Carvalho, Gil de

Get full text

Blind signal separation and identification of mixtures of images by Carmo, Felipe P. do, de Assis, Joaquim T, Estrela, Vania V, Coelho, Alessandra M

“…In this paper, a fresh procedure to handle image mixtures by means of blind signal separation relying on a combination of second order and higher order…”
Get full text

UTILIZAÇÃO DE DESCARTE DE RESÍDUOS TÊXTEIS (POLIAMIDA/POLIÉSTER), COMO AGREGADO EM CONCRETO by Daniel G. Andrade, Petterson B. Machado, Joaquim T. de Assis, José Renato de C. Pessoa, Gil de Carvalho

“…Neste trabalho são discutidas as vantagens e a viabilidade do uso do pó proveniente do processamento de resíduos têxteis, descartados por confecções e…”
Get full text