全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Carlos R. Appoloni , Marcia A. Rizzutto
来源:[J].Microchemical Journal(IF 2.879), 2018, Vol.138, pp.384-389Elsevier
摘要:Abstract(#br)This work concerns the archaeometric analysis of ceramic fragments from archaeological excavations carried out in “Sambaqui do Bacanga”, “Sambaqui do Panaquatira” and “Rabo de Porco”, located in the São Luiz city area, at Brazilian northeast. Ancient c...
作者:Paulo J. dos Reis , Rodrigo Nagata , Carlos R. Appoloni
来源:[J].Micron(IF 1.876), 2017, Vol.98, pp.49-54Elsevier
摘要:Abstract(#br)In the study of pore size distributions within microtomographic images, there is no consensus in how to group pore size distributions obtained at different spatial resolutions in a single distribution, which represents the properties of the sample in a better wa...
作者:... Cláudia B.R. Martinez , Carlos R. Appoloni , Marisa N. Fernandes
来源:[J].Aquatic Toxicology(IF 3.73), 2018, Vol.200, pp.168-177Elsevier
摘要:Abstract(#br)Manufactured titanium dioxide nanoparticles (TiO 2 -NP) have been intensely applied in numerous industrial products and may be a risk for aquatic systems as they are not completely removed from domestic and industrial wastes after water treatment. This study eva...
作者:Jaquiel S. Fernandes , Carlos R. Appoloni , Celso P. Fernandes
来源:[J].Micron(IF 1.876), 2016, Vol.85, pp.34-38Elsevier
摘要:Abstract(#br)Microstructural parameter evaluation of reservoir rocks is of great importance to petroleum production companies. In this connection, X-ray computed microtomography (μ-CT) has proven to be a quite useful method for the assessment of rocks, as it provides importa...
作者:Carlos R. Appoloni , Iara F. Mantovani ...
来源:[J].Applied Radiation and Isotopes(IF 1.179), 2012, Vol.70 (6), pp.937-941Elsevier
摘要:Abstract(#br)Binarization process plays an important role in structural characterization by means of micro-CT images analysis. The choice of the correct threshold to separate porous phase from the material is the procedure for binary images creation. Slight variations of the thre...
作者:Jaquiel S. Fernandes , Carlos R. Appoloni , Avacir C. Andrello
来源:[J].Radiation Measurements(IF 0.861), 2010, Vol.45 (7), pp.801-805Elsevier
摘要:Abstract(#br)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 portable spectrometer consists of a 3 × 3 × 1 mm (CdTe) Cadmium Telluride detector and a 30 × 30 mm [NaI (...
作者:Ademar de O. Ferreira , Rodrigo O. Bastos , Carlos R. Appoloni
来源:[J].Applied Radiation and Isotopes(IF 1.179), 2010, Vol.68 (9), pp.1774-1779Elsevier
摘要:Abstract(#br)The objective of this work is to study some geological characteristics in a regolith-rock profile by analyzing the distribution of natural radionuclides along the profile by high resolution gamma ray spectrometry. The concentrations of radionuclides reflect some...
作者:Jaquiel S. Fernandes , Carlos R. Appoloni
来源:[J].Nuclear Inst. and Methods in Physics Research, A(IF 1.142), 2007, Vol.584 (1), pp.160-164Elsevier
摘要:Abstract(#br)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 to the detection of low-activity radioactive sources, a two level factorial planning was accomplished...
作者:Carlos R. Appoloni , Álvaro Macedo ...
来源:[J].X‐Ray Spectrometry(IF 1.546), 2002, Vol.31 (2), pp.124-127Wiley
摘要:Abstract(#br)Knowledge of the porous structure of amorphous material is of fundamental importance in calculating geometric parameters such as total porosity, pore size distribution and physical parameters related to fluid flow inside void space. This work involved the measur...
作者:Marcelo Estevam , Carlos R. Appoloni
来源:[J].Revista Brasileira de Hematologia e Hemoterapia, 2009, Vol.31 (3), pp.153-159DOAJ
摘要:Foi investigada a viabilidade da aplicação da técnica de fluorescência de raios X (XRF) como alternativa para acompanhamento dos níveis de ferro em pacientes portadores de talassemia maior (beta-thalassemia) e hemocromatose hereditária (HH). As medidas foram realizadas ...

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