Zobrazeno 1 - 10
of 341
pro vyhledávání: '"Adriana Popa"'
Publikováno v:
Aerul şi Apa: Componente ale Mediului, Vol 2024, Iss 1, Pp 81-91 (2024)
The fall of 2023 was atypical both in terms of recorded temperatures and accumulated precipitation. September and October retained many characteristics of an authentic summer, with this year experiencing up to 22 summer days, 16 tropical days, and 3
Externí odkaz:
https://doaj.org/article/4d7b61c6c91e42909bfda3ae73fb4ed1
Autor:
Cigdem Tuc Altaf, Arpad Mihai Rostas, Adriana Popa, Dana Toloman, Maria Stefan, Nurdan Demirci Sankir, Mehmet Sankir
Publikováno v:
ACS Omega, Vol 8, Iss 50, Pp 47393-47411 (2023)
Externí odkaz:
https://doaj.org/article/7beaecb1e9214fafb6dbd84c1dec5399
Autor:
Delia N. Piscoiu, Simona Rada, Sergiu Macavei, Adriana Popa, Claudia A. Crisan, Horatiu Vermesan, Eugen Culea
Publikováno v:
Materials, Vol 17, Iss 17, p 4229 (2024)
In this study, xCaO‧5Fe2O3‧(95−x)Pb glasses and vitroceramics containing various concentrations of calcium ions (from 0 to 50 mol% CaO) were prepared using the spent anodic plate of a car battery. X-ray diffraction analysis revealed changes in
Externí odkaz:
https://doaj.org/article/2d833116afc94a799bb0d3d914b69bcb
Autor:
Mioara Zagrai, Radu Cristian Gavrea, Sergiu Macavei, Adriana Augusta Dehelean, Adriana Popa, Maria Loredana Soran, Raluca Anca Mereu
Publikováno v:
Crystals, Vol 14, Iss 5, p 436 (2024)
The present study aimed to test the solubility of SiO2 in a PbO2 host glass matrix. The new glass system with chemical composition xSiO2∙(100-x)∙PbO2 (in mol%) was obtained at low temperature using the melt-quenching technique. The method propose
Externí odkaz:
https://doaj.org/article/aa2a23fb1362464ca430c2d06df7b634
Autor:
Ana Varadi, Cristian Leostean, Maria Stefan, Adriana Popa, Dana Toloman, Stela Pruneanu, Septimiu Tripon, Sergiu Macavei
Publikováno v:
Inorganics, Vol 12, Iss 4, p 119 (2024)
Since semiconductor-based photocatalysis uses solar energy as a free and sustainable energy source and inoffensive photocatalysts, it has been found to be a promising green approach to eliminating dyes, antibiotics, and other pharmaceuticals from wat
Externí odkaz:
https://doaj.org/article/c976d742e3e140899629fba0cac8ab5c
Autor:
Dana Toloman, Adriana Popa, Ramona Bianca Sonher, Rares Bortnic, Traian Florin Marinca, Ioana Perhaita, Miuța Filip, Amalia Mesaros
Publikováno v:
Applied Sciences, Vol 14, Iss 2, p 522 (2024)
Our study is focused on the structural and morphological characteristics, optical behaviour and photocatalytic properties of undoped and 5 at% Eu3+-, Gd3+- and Y3+-doped CeO2 nanoparticles prepared by a green hybrid sol-gel combustion method. Several
Externí odkaz:
https://doaj.org/article/e8505b1117e542a0a34ec71f520bf41e
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 44, Iss 2, Pp 141-141 (2023)
Glass samples from vitreous system 1.5Ag2O98.5%[0.47B2O3(0.53-x)CaOxP2O5] with 0 £ x £ 0.08 have been obtained by undercooled method. The magnetic species existing in glass powders have been highlighting by mean of electronic paramagnetic resonance
Externí odkaz:
https://doaj.org/article/7a883a932fe3479ea662027c5dd09da7
Autor:
Adriana Popa, Maria Stefan, Sergiu Macavei, Ioana Perhaita, Lucian Barbu Tudoran, Dana Toloman
Publikováno v:
Polymers, Vol 15, Iss 23, p 4547 (2023)
In this investigation, CoFe2O4-PVDF and CoFe2O4-ZnO-PVDF hybrid membranes were prepared using a modified phase inversion method in which a magnetic field was applied during the casting process to ensure a uniform distribution of nanomaterials on the
Externí odkaz:
https://doaj.org/article/81d4e1aa5e0a4db0bc5e226cd9ea5ed9
Autor:
Romeo Popa, Cristian-Corneliu Georgescu, Daniel-Cosmin Caragea, Daniela Cana-Ruiu, Cristina Ene, Lucretiu Radu, Victor Gheorman, Marius-Ciprian Varut, Veronica Gheorman, Andrei Orezanu, Andrei Razvan Codea, Mirela Ghilusi, Loredana-Adriana Popa, Magdalena Diaconu
Publikováno v:
Reports, Vol 6, Iss 4, p 44 (2023)
Tuberculosis Peritonitis is a serious condition, whose diagnosis is established late due to the nonspecific nature of the clinical features, which delays the performance of imaging investigations and, implicitly, the setting of the diagnosis through
Externí odkaz:
https://doaj.org/article/74733ab002d84d9c9487329610e9d88d
Publikováno v:
Materials, Vol 16, Iss 13, p 4507 (2023)
The active mass of the plates of aspent car battery with higher wear after an efficient desulfatization can be used as sources of a new electrode. This paper proposes the recycling of spent electrodes from a lead acid battery and the incorporation of
Externí odkaz:
https://doaj.org/article/2032c2449f564057a0c31fd13baa61e8