Zobrazeno 1 - 10
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pro vyhledávání: '"M Ushakov"'
Publikováno v:
Journal of Communications Technology and Electronics. 67:1271-1276
Autor:
Maksim A. Solomatin, Olga E. Glukhova, Fedor S. Fedorov, Martin Sommer, Vladislav V. Shunaev, Alexey S. Varezhnikov, Albert G. Nasibulin, Nikolay M. Ushakov, Victor V. Sysoev
Publikováno v:
Chemosensors, Vol 9, Iss 7, p 181 (2021)
Towards the development of low-power miniature gas detectors, there is a high interest in the research of light-activated metal oxide gas sensors capable to operate at room temperature (RT). Herein, we study ZnO nanostructures grown by the electroche
Externí odkaz:
https://doaj.org/article/53b7ce862c1749558c6b7209fedf53fe
Autor:
V. M. Ushakov, V. N. Danilov
Publikováno v:
Kontrol'. Diagnostika. :4-13
The results of ultrasonic testing of metal before and after the operation of pipelines of thermal power plants are presented. Based on the metallographic analysis data, the frequency of ultrasonic waves was selected for research 10 and 15 MHz. It was
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 0, Iss 6, Pp 49-52 (2016)
Mathematical model and model sample of the bandpass with central frequency of 140 GHz were presented. Comparison of theoretical and experimental data in the range of 75,…260 GHz was made. Advantages and shortcomings of the presented filter in compa
Externí odkaz:
https://doaj.org/article/0794ba15414b4858b85066f02409ccb4
Akademický článek
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Publikováno v:
Russian Journal of Nondestructive Testing. 57:635-646
The results of the first stage of ultrasonic studies of the metal structure of pipelines of thermal power plants in operation are presented. The tests were carried out on metal of steel grades 15Kh1M1F and St20 with different operating life (operatin
Publikováno v:
Kontrol'. Diagnostika. :50-54
The article presents the results of an experimental study of the features of ultrasonic testing when adjusting the sensitivity with chord-type transducers. The unevenness of the control sensitivity in the direction perpendicular to the welded joint o
Autor:
V. N. Danilov, V. M. Ushakov
Publikováno v:
Kontrol'. Diagnostika. :4-14
Results of researches of structure of metal of elements of power pipelines before operation by a ultrasonic method are submitted. With use before the developed algorithm of definition of factor of attenuation of longitudinal waves owing to dispersion
Autor:
V. M. Ushakov
Publikováno v:
Kontrol'. Diagnostika. :20-26
Topical aspects of non-destructive testing (NDT) of equipment and pipelines of power units of nuclear power plants (NPP) are considered. Non-destructive testing is an integral part of the entire life cycle of a nuclear power plant. Briefly analyzed d
Autor:
David Z. Safoshkin, Igor D. Kosobudskii, Alexander E. Isaev, Ilya N. Mikhailov, Mikhail Yu. Vasilkov, N. M. Ushakov
Publikováno v:
Radioelectronics. Nanosystems. Information Technologies.. 13:39-44
The paper presents the results of an experimental study of the deposition of modified silver into the pores of ceramic Ag&Al2O3 membranes, laboratory samples of thin nanocomposite membranes were obtained based on the developed technological methods o