Zobrazeno 1 - 10
of 13
pro vyhledávání: '"M. Yermolaev"'
Publikováno v:
Agrobìologìâ. :7-14
The nature of subjective positioning on the role of crop rotations in agriculture from many points of view, namely – agrochemical, biological, geological and energetic. This leads to the belief that crop rotation arose as a need for reasonable huma
Autor:
I. Panchenko, M. Yermolaev, O. Panchenko, S. Obrajyy, I. Prymak, M. Voytovik, N. Prysyazhnyuk, L. Filipova
Publikováno v:
Agrobìologìâ. :131-144
The influence of four basic tillage systems and four fertilizer systems on changes in productive soil moisture and water consumption by agrophytocenoses was studied within years 2017–2020 in the fve-feld crop rotation on typical black soil (cherno
Publikováno v:
Agrobìologìâ. :66-74
The aim of the research is to establish the most effective combination of soil tillage which provides fodder beet high productivity while increasing the fertility of typical soil and root crops quality. The studies were conducted at the Training Prod
Publikováno v:
Agrobìologìâ. :13-19
The goal of the research is to assess the bioenergy efficiency of individual elements of sugar beet growing technology. Materials and methods. The experiment was conducted at the Training and Production Center (BCC) of Bila Tserkva National Agrarian
Autor:
Vyacheslav V. Popov, K. V. Maremyanin, Irina Khmyrova, N. A. Maleev, S. Yu. Shapoval, E. A. Polushkin, V. A. Bespalov, V. I. Egorkin, D. M. Yermolaev, V. E. Zemlyakov, V. M. Ustinov, Anatoly Kovalchuk, V. I. Gavrilenko
Publikováno v:
2017 International Conference on Applied Electronics (AE).
Performance of a detector based on AlGaAs/InGaAs/GaAs-material system was studied. The detector was comprised of large serpentine array of high-electron mobility transistors (HEMTs) connected in series. The floating drain contact of each transistor (
Autor:
V. A. Bespalov, Vyacheslav V. Popov, S. Yu. Shapoval, N. A. Maleev, V. I. Egorkin, K. V. Maremyanin, Bogdan Shevchenko, Irina Khmyrova, D. M. Yermolaev, V. E. Zemlyakov, V. M. Ustinov, V. I. Gavrilenko
Publikováno v:
2016 Global Symposium on Millimeter Waves (GSMM) & ESA Workshop on Millimetre-Wave Technology and Applications.
Array of field-effect transistors (FET) with asymmetric T-gates and floating electrodes fabricated on a single chip was used as terahertz (THz) detector. Nonresonant detection with strong photovoltaic response was realized due to excitation of electr
Autor:
K. V. Maremyanin, Irina Khmyrova, V. I. Gavrilenko, V. E. Zemlyakov, Vyacheslav V. Popov, V. I. Egorkin, V. A. Bespalov, N. A. Maleev, D. M. Yermolaev, V. M. Ustinov, S. Yu. Shapoval
Publikováno v:
2015 International Topical Meeting on Microwave Photonics (MWP).
An array of GaAs/InGaAs/AlGaAs field-effect transistors with an asymmetric T-gate in each transistor and floating electrodes was fabricated on a single chip and tested as a detector of terahertz (THz) radiation. Principle of detection was based on ex
Autor:
K. V. Maremyanin, S. Yu. Shapoval, V. E. Zemlyakov, V. I. Gavrilenko, N. A. Maleev, Vyacheslav V. Popov, V. M. Ustinov, V. I. Yegorkin, V. A. Bespalov, D. M. Yermolaev
Publikováno v:
Applied Physics Letters. 104:163508
A tightly concatenated chain of InGaAs field-effect transistors with an asymmetric T-gate in each transistor demonstrates strong terahertz photovoltaic response without using supplementary antenna elements. We obtain the responsivity above 1000 V/W a
Autor:
V. E. Zemlyakov, K. M. Maremyanin, V. I. Gavrilenko, D. M. Yermolaev, S. Yu. Shapoval, Vyacheslav V. Popov, N. A. Maleev
Publikováno v:
Journal of Physics: Conference Series. 486:012016
Terahertz (THz) detection by a one-dimensional array of series connected field-effect transistors (FETs) is studied experimentally. Such terahertz detector demonstrates greatly enhanced voltaic responsivity up to 2 kV/W. Asymmetrical position of the
Autor:
Andrei V. Muravjov, V. E. Zemlyakov, Sergey L. Rumyantsev, Ye A Polushkin, N. A. Maleev, Vyacheslav V. Popov, S. Yu. Shapoval, D. M. Yermolaev, Michael Shur
Publikováno v:
Journal of Physics: Conference Series. 486:012013
Terahertz response of wide-aperture plasmonic detectors is studied experimentally by using a focused terahertz radiation with frequencies 1.63, 1.89 and 2.55 THz. Two different types of plasmonic detector have been investigated: (i) field-effect tran