Zobrazeno 1 - 10
of 22
pro vyhledávání: '"IULIA, DUMITRU"'
Autor:
Alina Iulia Dumitru
Publikováno v:
Acta Marisiensis. Seria Technologica. 19:13-16
The Pb(Mg1/3Nb2/3)O3-based ceramic system was obtained by using a modified variant of the conventional ceramic method in order to get pyrochlore-free compositions. Solid solutions obtained from Pb(Mg1/3Nb2/3)O3 and Ln(Mg1/2Ti1/2)O3 with Ln = Y3+, La3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02a6c44071dbeffc48138c3f225fc63e
https://doi.org/10.2478/amset-2022-0003
https://doi.org/10.2478/amset-2022-0003
Autor:
Georgeta Velciu, Virgil Marinescu, Delia Patroi, Jana Pintea, Ildiko Peter, Alina Iulia Dumitru
Publikováno v:
Materials Science Forum. 1016:1134-1140
The ferroelectric solid solutions described by a general formula 0.98Pb(Zr1-xTix)O3 – 0.02La(Fe3+0.5, Nb5+0.5)O3 have been obtained by solid state reaction technique, where x assumes the following values: 0.42, 0.48 and 0.58. The structure of these
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5cbafb154645a1cc88c46e80962024d
https://doi.org/10.4028/www.scientific.net/msf.1016.1134
https://doi.org/10.4028/www.scientific.net/msf.1016.1134
Effects of Sintering Temperature on Structural and Electrical Properties of Fe3+ Doping PZT Ceramics
Autor:
Florentina Clicinschi, Tudor-Gabriel Dumitru, Alina Iulia Dumitru, Georgeta Velciu, Jana Pintea, Delia Patroi, Ildiko Peter
Publikováno v:
Acta Marisiensis. Seria Technologica. 17:4-7
The influence of the sintering temperature on the structure and on the hysteresis loops of Fe3+ doped Pb(ZrxTi1-x)O3 system has been investigated. Three compositions have been selected in the following mode: one in rhombohedral region, one in MPB reg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8001773c1e1cf5e7fda4044a254e0feb
https://doi.org/10.2478/amset-2020-0012
https://doi.org/10.2478/amset-2020-0012
Publikováno v:
Revista de Chimie. 71:199-206
The addition of inorganic phase consisting of Ce-doped PbZrO3, a promising solution to increase the thermal and radiation strengths of electroinsulating alkyd resin EZ 528 used in rotating machines is studied. The delay of oxidation of filler is base
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95be0e67d34486f6e6a89dba645d5bb0
https://doi.org/10.37358/rc.20.4.8058
https://doi.org/10.37358/rc.20.4.8058
Autor:
Delia Patroi, Ladislau Matekovits, Ildiko Peter, Georgeta Velciu, Jana Pintea, Florentina Clicinschi, Alina Iulia Dumitru, Virgil Marinescu
Publikováno v:
Advanced Materials Research. 1158:105-114
In the present paper (1-x)Pb (Zr1-yTiy)O3 – xPb (Mn1/3Sb2/3)O3 – z at%E system, with E = Pr3+, Nd5+ and Gd3+ where x = 0.12; y = 0.48; z = 0 and 0.02 ceramic synthesized by solid state reaction technique is analysed. The investigation aims studyi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2a0de8ef77293490d834598c2db0374
https://doi.org/10.4028/www.scientific.net/amr.1158.105
https://doi.org/10.4028/www.scientific.net/amr.1158.105
Autor:
Georgeta Velciu, Tudor-Gabriel Dumitru, Alina Iulia Dumitru, Jana Pintea, Delia Patroi, Ildiko Peter, Virgil Marinescu
In this paper, some compositions described by the general formula Pb(ZrxTi1-x)0.99Fe0.01O3 have been considered and investigated. The compositions considered have been obtained by solid state reaction technique, where x corresponds to 0.42, 0.52 and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97bec1958b389f2a19124b2754b2b104
https://doi.org/10.21203/rs.3.rs-703468/v1
https://doi.org/10.21203/rs.3.rs-703468/v1
Autor:
Ildiko Peter, Delia Patroi, Georgeta Velciu, Jana Pintea, Florentina Clicinschi, Virgil Marinescu, Alina Iulia Dumitru
Publikováno v:
Scientific Bulletin of Valahia University - Materials and Mechanics. 17:7-10
0.88Pb(Zr0.52Ti0.48)O3 – 0.12Pb(Mn1/3Sb2/3)O3 – 0,02 at%E piezoelectric ceramics, with E = Pr3+ were synthesized by using a conventional method, namely a solid state reaction technique. X-ray diffraction (XRD) and Scanning Electron Microscopy (SE
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08db19785b4d415e54b49977c7dd02c9
https://doi.org/10.2478/bsmm-2019-0011
https://doi.org/10.2478/bsmm-2019-0011
Autor:
Lore Becker, Eva Kling, Evelyn Schiller, Ramona Zeh, Anja Schrewe, Sabine M Hölter, Ilona Mossbrugger, Julia Calzada-Wack, Valentina Strecker, Ilka Wittig, Iulia Dumitru, Tina Wenz, Andreas Bender, Michaela Aichler, Dirk Janik, Frauke Neff, Axel Walch, Leticia Quintanilla-Fend, Thomas Floss, Raffi Bekeredjian, Valérie Gailus-Durner, Helmut Fuchs, Wolfgang Wurst, Thomas Meitinger, Holger Prokisch, Martin Hrabě de Angelis, Thomas Klopstock
Publikováno v:
PLoS ONE, Vol 9, Iss 12, p e114918 (2014)
Recently, mutations in the mitochondrial translation optimization factor 1 gene (MTO1) were identified as causative in children with hypertrophic cardiomyopathy, lactic acidosis and respiratory chain defect. Here, we describe an MTO1-deficient mouse
Externí odkaz:
https://doaj.org/article/5fb946e312a94325a7492aee89c6f092
Autor:
Ion Cocolos, Andra Cocolos, Razvan Florin Ion Dragomirescu, Alina Iulia Dumitru, Adina Ghemigian, Mirela Tiglis, Maria Olaru, Eugenia Petrova, Nicoleta Dumitru
Publikováno v:
Revista de Chimie. 69:136-139
Endocrine disruptors (ED) are exogenous agents that interfere with the normal function of the endocrine system and they are considered environmental chemicals with estrogen-like and/or anti-androgenic activity with important impact on the reproductiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::432417accad161082bddd9f7684044cf
https://doi.org/10.37358/rc.18.1.6059
https://doi.org/10.37358/rc.18.1.6059
Autor:
Nicoleta Arghira, Iulia Dumitru, Ioana Fagarasan, Sergiu Steliany Iliescu, Daniel Razvan Costianu
Publikováno v:
IFAC Proceedings Volumes. 46:54-57
This paper presents a methodology for choosing the best location of a distributed generation (DG) unit in a distribution grid considering the short-circuit current values. The optimum position into the grid is searched according to the minimum short
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bc2fed37a54ea9452f10206634eabd5
https://doi.org/10.3182/20130522-3-ro-4035.00038
https://doi.org/10.3182/20130522-3-ro-4035.00038