Zobrazeno 1 - 10
of 41
pro vyhledávání: '"B. A. Makeev"'
Autor:
V. I. Silaev, E. A. Savelyeva, A. F. Khazov, S. N. Shanina, I. V. Smoleva, E. M. Tropnikov, B. A. Makeev, D. V. Kiseleva
Publikováno v:
Vestnik Permskogo Universiteta: Seriâ Geologiâ, Vol 21, Iss 4, Pp 296-325 (2022)
Using a wide range of modern mineralogical and physicochemical methods, a representative collection of human bones from seven burial grounds of the Vychegda Permians of the 11th–14th centuries was studied. The microstructure of bones, their chemica
Externí odkaz:
https://doaj.org/article/a33dbb0346114d638a16e2858348d6de
Publikováno v:
Vestnik Permskogo Universiteta: Seriâ Geologiâ, Vol 19, Iss 1, Pp 38-43 (2020)
The article presents the first results of the study of native platinum extracted from chondrite. The native platinum forms microinclusions in carbonaceous matter andchromites, which are found in ordinary chondrite. Native platinum forms micrograins a
Externí odkaz:
https://doaj.org/article/037c896b46b54655a93b7aa610d44f39
Autor:
N. A. Zhuk, M. G. Krzhizhanovskaya, A. V. Koroleva, V. G. Semenov, A. A. Selyutin, A. M. Lebedev, S. V. Nekipelov, D. V. Sivkov, V. V. Kharton, V. P. Lutoev, B. A. Makeev
Publikováno v:
Inorganics, Vol 11, Iss 1, p 8 (2022)
The effect of Fe and Mg-codoping on the crystal structure, optical and dielectric properties of bismuth tantalate-based pyrochlores has been studied. Samples of Bi2MgxFe1−xTa2O9.5−Δ (x ≤ 0.7) are characterized by a porous dendrite-like microst
Externí odkaz:
https://doaj.org/article/eaa72409d0374e628aee68d8cd66b616
Autor:
V. I. Silaev, G. A. Karpov, D. V. Kiseleva, L. P. Vergasova, B. A. Makeev, K. V. Tarasov, A. F. Khazov
Publikováno v:
Vestnik Permskogo Universiteta: Seriâ Geologiâ, Vol 17, Iss 4, Pp 326-341 (2018)
The results of the mineralogical and geochemical study of the ash of the Klyuchevskoy and Kambalnyy volcanoes located in different geological conditions (Klyuchevskoy – Central Kamchatskaya Depression, Kambalnyy - Southeast end Eastern Kamchatka Vo
Externí odkaz:
https://doaj.org/article/f979e39e3e2f48ce87d37650cd26e7ce
Autor:
T. G. Shumilova, V. P. Lutoev, S. I. Isaenko, N. S. Kovalchuk, B. A. Makeev, A. Yu. Lysiuk, A. A. Zubov, K. Ernstson
Publikováno v:
Scientific Reports, Vol 8, Iss 1, Pp 1-11 (2018)
Abstract The state of substances under ultrahigh pressures and temperatures (UHPHT) now raises a special interest as a matter existing under extreme conditions and as potential new material. Under laboratory conditions only small amounts of micromete
Externí odkaz:
https://doaj.org/article/4b5102e60eb44472b246f206c41cdc6e
Publikováno v:
Литосфера, Vol 0, Iss 2, Pp 103-120 (2015)
Study results of accessory zinc-bearing chromespinelides from Middle Devonian psephites of Pizhemskaya suite (D2pg) of Ichet’yu placer-like occurrence (Middle Timan) are represented. According to electron microprobe analysis the most of chromespine
Externí odkaz:
https://doaj.org/article/9ac77b78563942bd842d066598e47890
Autor:
V. I. Silaev, L. P. Vergasova, V. N. Filippov, I. V. Smoleva, S. V. Moskaleva, A. F. Khazov, B. A. Makeev, A. P. Shablinsky
Publikováno v:
Journal of Volcanology and Seismology. 17:42-59
Autor:
K. N. Parshukova, E. P. Rylchenko, V. A. Muravyov, K. A. Badanin, B. A. Makeev, R. I. Korolev, N. A. Zhuk
Publikováno v:
Glass and Ceramics. 79:418-421
Publikováno v:
Glass and Ceramics. 79:70-74
Publikováno v:
Steklo i Keramika. :40-46
Nickel pyrochlore of the composition Bi2NiTa2O9 was synthesized by the solid-phase reaction method (sp. gr. Fd-3m, a = 10.5238 Å). The process of phase formation of nickel-containing bismuth tantalate Bi2NiTa2O9 with a pyrochlore structure is invest