Zobrazeno 1 - 10
of 14
pro vyhledávání: '"L. A. Mitin"'
Publikováno v:
Инновационная медицина Кубани, Vol 0, Iss 2, Pp 77-84 (2022)
The existing systems for describing thyroid nodules are highly informative and can be applied in routine practice, but suspicious criteria of thyroid nodules are based on the echographic pattern of papillary neoplasia, due to its predominance in the
Externí odkaz:
https://doaj.org/article/d7bf9a7a867d4070a27a38cd44c74fd8
Publikováno v:
Physics of Plasmas. 4:4394-4403
A theory describing the ac space charge effects in plasma-filled traveling-wave tubes (TWT) is presented. It is shown that in the case of operation at frequencies between the plasma frequency and the upper-hybrid frequency, the space charge forces ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d87f74ae0c70be7607867399d8e0b555
https://doi.org/10.1063/1.872602
https://doi.org/10.1063/1.872602
Publikováno v:
IEEE Transactions on Plasma Science. 22:600-607
A powerful beam-plasma amplifier operating under continuous conditions is described. The amplifier is designed on new principles using hybrid plasma-cavity electrodynamic structures. The theory and foundation for calculating slow-wave structures havi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4801496a009197ec7dfb58f51546296b
https://doi.org/10.1109/27.338273
https://doi.org/10.1109/27.338273
Publikováno v:
Proceedings International University Conference 'Electronics and Radiophysics of Ultra-High Frequencies' (Cat. No.99EX356).
The principles of operation of a decelerating structure of a Chain of Coupled Cavities (CCC) with a plasma filled channel and the main features of the processes of amplification of oscillations and extraction of energy from a plasma waveguide are con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::adc81186d877a354e6751429e5a63bda
https://doi.org/10.1109/uhf.1999.787957
https://doi.org/10.1109/uhf.1999.787957
Publikováno v:
12th International Conference on High-Power Particle Beams. BEAMS'98. Proceedings (Cat. No.98EX103).
The quality characteristics of amplification of a plasma travelling wave tube (TWT) are studied. It was shown that linearity, phase stability, the level of combined frequency signals and noise are close to the characteristics of a vacuum TWT. A plasm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6535849f2ce731dcc4c722eea2db069e
https://doi.org/10.1109/beams.1998.816980
https://doi.org/10.1109/beams.1998.816980
Autor:
Ya. A. Soloviev, L. A. Mitina, B. Ya. Alekseev, S. O. Stepanov, A. S. Kalpinskiy, O. V. Dimitrov, E. A. Nazoikin
Publikováno v:
Biomedical Photonics, Vol 9, Iss 1, Pp 27-33 (2020)
In developed countries, the main methods of research and dynamic monitoring of cystic kidney formations are CT and MRI, but their use is impossible in patients with severe concomitant diseases, as well as in the presence of metal structures, pacemake
Externí odkaz:
https://doaj.org/article/b868d75781cf448899173f752736715b
Autor:
Yury P. Bliokh, A. L. Shapiro, L. A. Mitin, M. A. Zavjalov, V.I. Perevodchikov, Ya. B. Fainberg
Publikováno v:
SPIE Proceedings.
The results of theoretical and experimental investigations of generator of stochastic microwave power based on beam- plasma inertial feedback amplifier is discussed to use stochastic oscillation for heating of plasma. The efficiency of heating of pla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee5c729b16a3e9ad1d6ad93daa98e1d7
https://doi.org/10.1117/12.255412
https://doi.org/10.1117/12.255412
Publikováno v:
SPIE Proceedings.
The investigation of the interaction of E-beam with hybrid waves of nonhomogeneous plasma- cavity slow-wave structure have been carried out. It is shown that depression of external magnetic field at output part of plasma-cavity structure may be used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0db7638a40eae0ab1f91127e5352eb84
https://doi.org/10.1117/12.218542
https://doi.org/10.1117/12.218542
Publikováno v:
SPIE Proceedings.
Plasma-beam generators of microwave oscillation, based on hybrid plasma-beam amplifiers with inertial back coupling have been created. The experimental research shows that this device generates wideband stochastic oscillations with E-efficiency up to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7cc56e0b21d4ad918332823ad7f9b460
https://doi.org/10.1117/12.218543
https://doi.org/10.1117/12.218543
Autor:
D. V. Sidorov, S. O. Stepanov, M. V. Lozhkin, L. O. Petrov, L. A. Mitina, O. V. Guts, A. G. Isaeva
Publikováno v:
Issledovaniâ i Praktika v Medicine, Vol 4, Iss 4, Pp 125-132 (2017)
For today it is difficult to imagine medical practice without modern visualization methods of instrumental diagnostics. At the same time, according to the estimates of the World Health Organization, two-thirds of the world population is deprived of s
Externí odkaz:
https://doaj.org/article/9a65bb8706bf4d5c8b5c149bce655c92