Zobrazeno 1 - 10
of 93
pro vyhledávání: '"Maria Milanova"'
Autor:
Denitsa Elenkova, Yana Dimitrova, Martin Tsvetkov, Bernd Morgenstern, Maria Milanova, Dimitar Todorovsky, Joana Zaharieva
Publikováno v:
Molecules, Vol 29, Iss 15, p 3713 (2024)
The solvothermal synthesis of LnCl3.nH2O with terephthalic acid (benzene-1,4-dicarboxylic acid, H2BDC) produced metal–organic frameworks (LnBDC), [Ln2(BDC)3(H2O)4]∞, where Ln = Sm, Eu, Tb, and Dy. The materials obtained were characterized by a nu
Externí odkaz:
https://doaj.org/article/9898ba760e96472bb4113b456698d9f4
Publikováno v:
International Journal of Molecular Sciences, Vol 25, Iss 12, p 6755 (2024)
“Core/shell” composites are based on a ferrite core coated by two layers with different properties, one of them is an isolator, SiO2, and the other is a semiconductor, TiO2. These composites are attracting interest because of their structure, pho
Externí odkaz:
https://doaj.org/article/2c770d9d77494a7f8d7f2d375e6e817b
Publikováno v:
Crystals, Vol 13, Iss 5, p 769 (2023)
The synthesis of orthoferrites of the type La1−xCexFeO3+x/2, x = 0.00, 0.01, 0.03, 0.05, and 0.07, by applying a simple and effective mechanochemical transformation from the constituent oxides is presented. Physicochemical methods such as powder X-
Externí odkaz:
https://doaj.org/article/a3151965487b47a7bacc74aadf46737f
Publikováno v:
Acta Chimica Slovenica, Vol 67, Iss 4, Pp 1082-1091 (2020)
ZnFe2O4/rGO/g-C3N4 ternary nanocomposite photocatalysts with different ZnFe2O4/g-C3N4 weight ratio (0.5, 0.75, 1) were prepared by a stepwise solvothermal method using ethylene glycol as the solvent. Physicochemical methods such as X-ray diffraction,
Externí odkaz:
https://doaj.org/article/c0d60bba6f974854913814d2103b6a7c
Publikováno v:
Crystals, Vol 12, Iss 3, p 327 (2022)
Pure HfW2O8- and Ln3+-containing solid solutions, Hf1−xLnxW2O8−x/2 (Ln = Eu, Tm, Lu), were synthesized using the hydrothermal method. The lanthanide ions were selected based on the differences between their ionic radii. A content of the Ln3+ ions
Externí odkaz:
https://doaj.org/article/a4c3d3ffda4248a2b7374e596b0943c9
Publikováno v:
Crystals, Vol 12, Iss 1, p 120 (2022)
Light-emitting phosphors, doped with lanthanide ions of Tb(III) and Sm(III) of the type Gd1.97−y SmyTb0.03(MoO4)3 (y = 0.01–0.11, step 0.02) and Gd1.95−xSm0.05Tbx(MoO4)3 (x = 0.01–0.09, step 0.02), were synthesized and characterized by X-ray
Externí odkaz:
https://doaj.org/article/34660b1f073448e4a963c3f429516249
Autor:
Martin Tzvetkov, Maria Milanova, Zara Cherkezova-Zheleva, Ivanka Spassova, Evgenia Valcheva, Joana Zaharieva, Ivan Mitov
Publikováno v:
Acta Chimica Slovenica, Vol 64, Iss 2, Pp 299-311 (2017)
A combination of thermal and mechanical (high energy ball milling) treatment was applied in an attempt to obtain polycrystalline mixed metal binary and ternary oxides of the type CoxZn1-xFe2O4 (x=0; 0.25; 0.5; 0.75; 1). The synthetic procedure used s
Externí odkaz:
https://doaj.org/article/25277ec50a1542e5bc8b3fb9efd97573
Autor:
Maria Milanova, Martin Tsvetkov
Publikováno v:
Crystals, Vol 11, Iss 3, p 231 (2021)
Тhe properties of the Rare Earth Elements allow a wide range of applications in optoelectronics, fiber amplifiers, solid-state lasers, telecommunications, biosensing, and photocatalysis, just to mention a few [...]
Externí odkaz:
https://doaj.org/article/841bb20ae9804a0ab3b0c8dc05db2da9
Autor:
Mikhail Matveev, Maria Milanova
Publikováno v:
Bioautomation, Vol 9, Iss 1, Pp 40-49 (2008)
A classification of intraoperative cardio-vascular complications (CVC) was performed, based on data from 466 patients subjected to emergency surgery, due to severe abdominal surgical diseases or traumas, in accordance with the severe criteria of ACC/
Externí odkaz:
https://doaj.org/article/15e49647e5874e1ab306b40a6a33d89d
Autor:
Mikhail Matveev, Maria Milanova
Publikováno v:
Bioautomation, Vol 9, Iss 1, Pp 50-58 (2008)
A classification of intraoperative (IO) and postoperative (PO) cardio-vascular complications (CVC) was performed, based on data from 466 patients subjected to emergency surgery, due to severe abdominal surgical diseases or traumas, in accordance with
Externí odkaz:
https://doaj.org/article/5052c945710849ac89a9101b60b366ee