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Akademický článek

Frequency Instability Measurement Device Based on the Pulse Coincidence Principle

Autor: A. I. Verveyko, I. M. Lappo, P. L. Arkushenko, S. I. Yusukhno

Publikováno v: Vìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, Iss 76 (2019)

Context. The task of rapid and accurate measurement of the dynamic characteristics of modern signal sources with a frequency output, in particular, the short-time frequency instability function, calls for refining measurement techniques with account

Externí odkaz: https://doaj.org/article/ba2abd4eb0604f0e9c0a5ea16087988e

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Frequency Instability Measurement Device Based on the Pulse Coincidence Principle

Autor: P. L. Arkushenko, S. I. Yusukhno, A. I. Verveyko, I. M. Lappo

Publikováno v: Visnyk NTUU KPI Seriia-Radiotekhnika Radioaparatobuduvannia; 76; 29-36
Вісник НТУУ "КПІ". Серія Радіотехніка, Радіоапаратобудування; 76; 29-36
Вестник НТУУ" КПИ ". Серия радиотехника Радиоаппаратостроение; 76; 29-36
Вісник НТУУ «КПІ». Радіотехніка, радіоапаратобудування: збірник наукових праць, Вип. 76

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b17da77a87b18ffd6c2d0eb8f8ef6884
https://doi.org/10.20535/radap.2019.76.29-36

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Strength properties of peat in Tungol Field (Tomsk Oblast)

Autor: I.A. Matveenko, I A Lappo, V V Kramarenko, A V Kolesnikova

Publikováno v: IOP Conference Series: Earth and Environmental Science. 21:012020

The article is devoted to the study of non-drained peat strength in the site of Tungol oil field determined by the core sampling with the help of impeller. The authors present the research results in peat composition, physical, and strength character

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::947b7a7c764d6d746ca62b504fb1841f
https://doi.org/10.1088/1755-1315/21/1/012020

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Effect of hydrostatic treatment on the properties of the ceramics based on tetragonal zirconium dioxide

Autor: S. Yu. Pliner, V. G. Peichev, I. S. Lappo, Yu. I. Komolikov

Publikováno v: Refractories. 29:205-207

Un traitement de pressage hydrostatique apres le coulage de barbotine et avant la cuisson permet de reduire les contraintes et fissurations dues a un retrait non uniforme et d'ameliorer les proprietes mecaniques du produit fini

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::72aec6c396ded36d4189defb532d3dac
https://doi.org/10.1007/bf01389559

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