Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Vladislav Kostov-Kytin"'
Autor:
Rositsa Nikolova, Vladislav Kostov-Kytin, Nadia Petrova, Krasimir Kossev, Rositsa Titorenkova, Gergana Velyanova
Publikováno v:
Crystals, Vol 14, Iss 3, p 227 (2024)
Urea complexes of magnesium sulfate have been intensively studied due to their application in many areas of life, including agricultural chemistry, pharmacy, medicine, etc. The aim of this study is to add new knowledge about the trends and consistenc
Externí odkaz:
https://doaj.org/article/3bb98ecb40c3483fbec1a0c7009d355e
Autor:
Vilma Petkova, Ventseslav Stoyanov, Bilyana Kostova, Vladislav Kostov-Kytin, Alexander Kalinkin, Irina Zvereva, Yana Tzvetanova
Publikováno v:
Materials, Vol 14, Iss 17, p 4793 (2021)
The advanced tendencies in building materials development are related to the design of cement composites with a reduced amount of Portland cement, contributing to reduced CO2 emissions, sustainable development of used non-renewal raw materials, and d
Externí odkaz:
https://doaj.org/article/fe1f31fe54934a9eaf4db8bfb8e07b54
Publikováno v:
Review of the Bulgarian Geological Society. 83:27-38
The structure of a disordered IIb chromian clinochlore from the chromitites of Golyamo Kamenyane serpentinite (Eastern Rhodopes) was studied using Rietveld refinement techniques and powder X-ray diffraction (CuKα, 3–100° 2Θ in 0.013° 2Θ increm
Autor:
Vladislav Kostov-Kytin
Publikováno v:
Review of the Bulgarian Geological Society. 81:3-15
The crystal-chemical peculiarities of the minerals in the tetrahedrite group are considered as a prerequisite for their role as indicators of the formation environment. Particular attention is paid to the silver-containing representatives because the
Autor:
Petrova, Nikolova Rosica, Noriaki, Nakayama, Snejana, Bakardjieva, Petr, Bezdicka, Vladislav, Kostov-Kytin
Publikováno v:
In Solid State Sciences 2011 13(5):1187-1190
Autor:
Bilyana Kostova, Y. Tzvetanova, Irina A. Zvereva, Alexander M. Kalinkin, Vladislav Kostov-Kytin, V. Petkova, Ventseslav Stoyanov
Publikováno v:
Materials, Vol 14, Iss 4793, p 4793 (2021)
Materials
Volume 14
Issue 17
Materials
Volume 14
Issue 17
The advanced tendencies in building materials development are related to the design of cement composites with a reduced amount of Portland cement, contributing to reduced CO2 emissions, sustainable development of used non-renewal raw materials, and d
Publikováno v:
Geologica Carpathica. 72
The economic significance of pegmatites as a source of strategic rare metals for high-tech products and green energy motivated the present study on Ta–Nb oxides from Vishteritsa rare-element beryl–columbite LCT pegmatites of the Rila–West Rhodo
Publikováno v:
Minerals
Volume 10
Issue 7
Minerals, Vol 10, Iss 639, p 639 (2020)
Volume 10
Issue 7
Minerals, Vol 10, Iss 639, p 639 (2020)
The present study demonstrates the capabilities of the Rietveld procedure to track the structural transformations and framework flexibility on the example of the natural water-containing zirconosilicate elpidite, subjected (in bulk) to thermal treatm
Publikováno v:
Ceramics International. 44:8664-8671
Samples of sintered biphasic calcium phosphates hydroxyapatite – Ca 10 (PO 4 ) 6 (OH) 2 and β-tricalcium phosphate – Ca 3 (PO 4 ) 2 subjected to high energy dry milling for different durations are studied by powder X-ray diffraction analysis. Th