Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Doina Bica"'
Publikováno v:
International Journal of Fluid Machinery and Systems. 4:67-75
Recent results are presented concerning the development of magnetofluidic leakage-free rotating seals for vacuum and high pressure gases, evidencing significant advantages compared to mechanical seals. The micro-pilot scale production of various type
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44f77093178fa00c0ff9a4208d344f40
https://doi.org/10.5293/ijfms.2011.4.1.067
https://doi.org/10.5293/ijfms.2011.4.1.067
Publikováno v:
Scopus-Elsevier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15475f50afe41d160a85419285ac71ab
https://doi.org/10.22364/mhd.47.2.12
https://doi.org/10.22364/mhd.47.2.12
Publikováno v:
Journal of Magnetism and Magnetic Materials. 322:3166-3172
In this paper we investigated the rheological and magnetorheological behaviours of an extremely bidisperse (nano–micro) magnetizable fluid (sample D1) for comparison of a commercial magnetorheological fluid (MRF-140CG; LORD Co. (USA)) with the same
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e8401b066563e22881e2ff8664269a1
https://doi.org/10.1016/j.jmmm.2010.05.055
https://doi.org/10.1016/j.jmmm.2010.05.055
Autor:
Ladislau Vekas, Doina Bica, Oana Marinica, Regine Willumeit, V. L. Aksenov, V. M. Garamus, László Rosta, Mikhail V. Avdeev, Artem V. Feoktystov
Publikováno v:
Journal of Colloid and Interface Science. 334:37-41
The structure of ferrofluids (magnetite in decahydronaphtalene) stabilized with saturated mono-carboxylic acids of different chain lengths (lauric, myristic, palmitic and stearic acids) is studied by means of magnetization analysis and small-angle ne
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::338ba20daee129c569f33a24902795e6
https://doi.org/10.1016/j.jcis.2009.03.005
https://doi.org/10.1016/j.jcis.2009.03.005
Autor:
Petru Palade, Rodica Alexandrescu, Victor Kuncser, Ladislau Vekas, Doina Bica, I. Morjan, George Filoti, Gabriel Schinteie
Publikováno v:
Hyperfine Interactions. 191:55-60
The laser pyrolysis became a useful tool, providing various ways, in production of nano materials. The iron Mossbauer spectroscopy is one very accurate method in evidencing the physical properties and related processes in the nano scale compounds. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd9f3b14c47a60679abd16f707005c0a
https://doi.org/10.1007/s10751-009-9952-5
https://doi.org/10.1007/s10751-009-9952-5
Autor:
Ladislau Vekas, Leonid A. Bulavin, V. M. Garamus, Mikhail V. Avdeev, A. V. Feoktystov, V. L. Aksenov, Doina Bica, Regine Willumeit
Publikováno v:
Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 3:1-4
A magnetic fluid with magnetite dispersed in D-benzene and stabilized by myristic acid is investigated using the contrast variation technique in small-angle neutron scattering. The results obtained are interpreted within a new approach to the basic f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::437d6c83307d5e7b34c2f917d018b044
https://doi.org/10.1134/s1027451009010017
https://doi.org/10.1134/s1027451009010017
Autor:
Rodica Turcu, Florica Matei, Zhonghua Wu, Xie Yaning, Ladislau Vekas, N. Aldea, Alexandrina Nan, Doina Bica, Izabella Craciunescu, Ovidiu Pana
Publikováno v:
Journal of Nanoparticle Research. 11:1429-1439
In this article, we focus on the structural peculiarities of nanosized Fe3O4 in the core-shell nanocomposites obtained by polymerization of conducting polypyrrole shell around Fe3O4 nanoparticles. The local structure of Fe atoms was determined from t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54e278daf9bb455373f75cd2610585fd
https://doi.org/10.1007/s11051-008-9536-3
https://doi.org/10.1007/s11051-008-9536-3
Autor:
Izabell Craciunescu, Ladislau Vekas, C. Neamtu, D. Dadarlat, Rodica Turcu, M. Streza, Doina Bica
Publikováno v:
Journal of Nanoparticle Research. 10:1329-1336
The suitability of the photopyroelectric (PPE) calorimetry in measuring the thermal parameters of nanofluids was demonstrated. The main advantages of the method (concerning nanofluids) as compared to classical calorimetric techniques are: high sensit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57b47ba4abfec74bf8b4cd85a0445bc9
https://doi.org/10.1007/s11051-008-9386-z
https://doi.org/10.1007/s11051-008-9386-z
Autor:
E. Popovici, Doina Bica, G. Prodan, Eugeniu Vasile, Victor Ciupina, Ladislau Vekas, Ion Morjan, Florian Dumitrache, Oana Marinica, Rodica Alexandrescu
Publikováno v:
Applied Surface Science. 254:1048-1052
Well-dispersed nanoparticles with iron/iron carbide core and iron oxide shell structures may constitute an excellent magnetic material for different applications as magnetic nanofluids, contrast agents in magnetic resonance imaging, sensors and catal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2395f43d3ec2c87286c5a2ef04cb5972
https://doi.org/10.1016/j.apsusc.2007.09.022
https://doi.org/10.1016/j.apsusc.2007.09.022
Publikováno v:
Journal of Magnetism and Magnetic Materials. 311:363-366
The protective effect of some magnetic nanocompounds against prolonged exposure to UV radiation was investigated. Research was carried in white mice whose auricles (ears) were treated with magnetic nanocompounds in various concentrations. After 8 h o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59c346d5d798d09503a4b0a71d0c0b12
https://doi.org/10.1016/j.jmmm.2006.10.1189
https://doi.org/10.1016/j.jmmm.2006.10.1189