Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Kh. Makhmudov"'
Publikováno v:
Паёми Сино, Vol 21, Iss 1, Pp 77-82 (2019)
Objective: Improving the results of septo- and rhinoplasty Methods: The results of surgical treatment of 267 patients with the curvature of the nasal septum without or in combination with the deformation of the external nose are analyzed. The aver
Externí odkaz:
https://doaj.org/article/e94f72e2db2e40a7a7a08732f25814d5
Publikováno v:
Applied Solar Energy. 57:541-551
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a421282a6ac70af3bf0c2ccee812b31
https://doi.org/10.3103/s0003701x2106013x
https://doi.org/10.3103/s0003701x2106013x
Autor:
Kh. Makhmudov, N. Marazykov
Publikováno v:
Bulletin of Science and Practice. 7:347-350
This article describes the historical geography of Central Asia in the era of antiquity. The Greek names of the Central Asian toponyms and hydronyms are given. It also describes the information of Herodotus about the peoples inhabiting the territory
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c18bf25a3d08c4cb778166c0fe0830d
https://doi.org/10.33619/2414-2948/68/47
https://doi.org/10.33619/2414-2948/68/47
Autor:
A.A. Sherniyozov, G.A. Khalikov, Kh. Makhmudov, M.Z. Ismailov, Kh. F. Zikrillayev, D.E. Payziyeva, Sh. Payziyev, S. A. Bakhramov
Publikováno v:
«Узбекский физический журнал». 22:287-290
The effect of using external frequency converters on the luminescence intensity of an Nd:YAG crystal is studied. The crystal is illuminated by light-emitting diode (LED) with and without Y3Al5O12:Ce3+ material as an external converter. Obtained exper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5203c7325de0867f36e4908a35ccf73a
https://doi.org/10.52304/.v22i5.193
https://doi.org/10.52304/.v22i5.193
Autor:
A.A. Sherniyozov, T. G. Khottchenkova, D. E. Payzieva, Sh. Payziyev, Kh. Makhmudov, Kh. F. Zikrillayev, S. A. Bakhramov, G.A. Khalikov, M.Z. Ismailov
Publikováno v:
Journal of Applied Spectroscopy. 88:370-372
The luminescence intensity of a Nd3+:Y3Al5O12 laser crystal excited by light from a blue LED with λ ≈ 454 nm, simulating the ultraviolet part of the solar spectrum, is studied before and after use of a special converter based on Ce3+:Y3Al5O12 lumi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0fe53c016874835f3c93f361bc180c9
https://doi.org/10.1007/s10812-021-01184-6
https://doi.org/10.1007/s10812-021-01184-6
Publikováno v:
«Узбекский физический журнал». 21:168-171
Прозрачные керамические YAG-лазерные материалы с высоким содержанием неодима исследуются для применения в преобразовании солнечной эне
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::396f7903870ee5958951f4735fa566f7
https://doi.org/10.52304/.v21i3.77
https://doi.org/10.52304/.v21i3.77
Publikováno v:
Optik. 156:891-895
A simulation model for a solar laser is designed using Ce:Nd:YAG as an active medium. A system of a parabolic concentrator, a glass light guide and a secondary concentrator is simulated to concentrate the solar radiation on to a laser head of the typ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bde3eb22aefa378a1de3d96172c0e5db
https://doi.org/10.1016/j.ijleo.2017.12.071
https://doi.org/10.1016/j.ijleo.2017.12.071
Autor:
Kh. Makhmudov, G.A. Khalikov, D.E. Payziyeva, A.A. Sherniyozov, M.Z. Ismailov, Kh. F. Zikrillayev, Sh. Payziyev, S. A. Bakhramov
Publikováno v:
Optics Communications. 499:127283
The study of the process of energy transfer in an active medium with a sensitizer based on Ce: Nd: YAG material under pumping by LED at a wavelength of 454 nm and by solar radiation is carried out. Based on the results of experimental studies of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0441a9f0b0bbc8b951a5a3902a9c561b
https://doi.org/10.1016/j.optcom.2021.127283
https://doi.org/10.1016/j.optcom.2021.127283
Autor:
Kh. Makhmudov, Sh. Payziyev
Publikováno v:
Optics Communications. 380:57-60
The possibility of increase of Nd:YAG solar pumped lasers pumping efficiency with the use of Cr:LiCAF as a solar spectrum frequency-down-shifting element is studied by the simulation calculation method. Comparative analyses of side- and end-pumping s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bedbcda75df2a0f9d0cc0707df936d0e
https://doi.org/10.1016/j.optcom.2016.05.088
https://doi.org/10.1016/j.optcom.2016.05.088
Publikováno v:
«Узбекский физический журнал». 20:321-323
On the basis of the active element of Ti3+:Al2O3, the possibility of converting solar energy into laser radiation energy is investigated. By the computer simulations, it was shown the possibility of reducing the threshold pump power by choosing the o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c4239944a31759d33e4c12d29da8c87
https://doi.org/10.52304/.v20i5.125
https://doi.org/10.52304/.v20i5.125