Zobrazeno 1 - 10
of 34
pro vyhledávání: '"A 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
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
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
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
Publikováno v:
«Узбекский физический журнал». 21:168-171
Прозрачные керамические YAG-лазерные материалы с высоким содержанием неодима исследуются для применения в преобразовании солнечной эне
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
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
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
Publikováno v:
«Узбекский физический журнал». 20:197-199
The possibility of achieving high efficiency of converting solar energy into laser radiation energy on the basis of the active element Nd: Cr: GSGG in the form of a thin slab allowing providing an effective heat output during side pumping by concentr