Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Bogdan Constantinescu"'
Publikováno v:
Documenta Praehistorica, Vol 34 (2007)
Two analytical methods – 241Am-based X-Ray Fluorescence (XRF) and Synchrotron Radiation X-ray Diffraction (SR-XRD) – were used to investigate the elemental and mineralogical composition of pigments which decorate some Cucuteni Neolithic ceramic s
Externí odkaz:
https://doaj.org/article/1cc6d553458f45949ca32a3ca6c52461
Publikováno v:
International Journal of PIXE. 28:7-12
We analyzed the compositions of mineral pigments for some ceramics and glass items excavated from the commercial settlements on Danube at the border between Ottoman Empire (Dobruja) and Romanian Principalities — Piua Petrii and Dinogetia–Garvan,
Autor:
Maria M. Manea, Bogdan Constantinescu, Dorina Claudia Samoilescu, Daniela Stan, Octavian G. Duliu
Publikováno v:
Journal of Cultural Heritage. 27:175-180
The results of a comparative study performed by complementary contact-less, non-invasive spectroscopic methods applied to two orthodox wooden icons are presented and discussed. An 18th century post-Brancovan icon crafted in a Valcea (Walachia) worksh
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 406:302-308
New results regarding alloy composition and microstructure for a series of ancient bronze and silver items by X-ray Fluorescence and micro-Particle Induced X-ray Emission spectrometry were obtained in the framework of an extensive numismatic project
Autor:
Uwe Reinholz, Daniela Stan, Angela Vasilescu, Daniele Ceccato, Martin Radtke, Bogdan Constantinescu, Guenter Buzanich
Publikováno v:
Radiation Physics and Chemistry. 117:26-34
This work presents a complex evaluation of a series of Geto-Thracian silver adornments found on Romanian territory, part of the 4th century BC Agighiol (Northern Dobruja) hoard and of an ingot from the 1st century BC Geto-Dacian Surcea (Transylvania)
Autor:
Ildikó Harsányi, Zoltán Szőkefalvi-Nagy, Bogdan Constantinescu, Imre Kovács, Daniela Cristea-Stan, Zsolt Kasztovszky
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Combined external milli-beam Particle Induced X-ray Emission (PIXE) and Prompt Gamma Activation Analysis (PGAA) analysis was applied to characterize the composition of paste and colorants from some fragments of Byzantine bracelets (10th–12th Centur
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 318:145-148
External beam milli-PIXE technique was used for the determination of the elemental concentration ratios in some Prehistoric obsidian tools found in Transylvania, in the Iron Gates region near Danube, as well as on a few relevant geological obsidian s
Autor:
Silvana Vasilica, Cristiana Radulescu, Daniela Stan, Octavian G. Duliu, Bogdan Constantinescu, O. A. Culicov, Maria-Mihaela Manea, Inga Zincovscaia, Sister Serafima
Publikováno v:
Microchemical Journal. 150:104126
For a better description and chronology of the liturgical art of the Russian-Lipovan community of Romania and, in view of correct attestation, a set of five icons presumed painted in the first half of the 19th century belonging to the patrimony of An
Autor:
Uwe Reinholz, Ernest Oberländer-Târnoveanu, Martin Radtke, Claire Pacheco, Laurent Pichon, Bogdan Constantinescu, Angela Vasilescu
Publikováno v:
Applied Physics A. 109:395-402
A thorough microscopic investigation by SR XRF and micro-PIXE brings insight into the probable techniques used in the manufacture of thirteen Dacian gold bracelets, one of the most spectacular archaeological finds ever on the territory of Romania.
Autor:
V. Cojocaru, Martin Radtke, Roxana Bugoi, Ernest Oberländer-Târnoveanu, Bogdan Constantinescu
Publikováno v:
Antiquity. 84:1028-1042
We present the authentication and analysis of these beautiful Dacian bracelets of the first century BC, originally pillaged by treasure hunters and recovered thanks to an international crime chase. They were originally fashioned from gold panned from