Zobrazeno 1 - 10
of 166
pro vyhledávání: '"Kovalov, P."'
Autor:
Sotnikov, G. V., Vasiliev, A. V., Beznosenko, I. V., Kovalov, S. M., Povrozin, A. I., Svystunov, O. O.
A comparative analysis of two types of dielectric laser accelerators (DLA) based on periodic (grating) and flat dielectric structures to accelerate electrons in the energy range from 300 keV to 3 GeV is presented. The main attention is paid to the co
Externí odkaz:
http://arxiv.org/abs/2409.19313
Publikováno v:
Rev. Sci. Instrum. 95, 035116 (2024)
To measure low-temperature thermal fields, we have developed a single-element cooled thermal imaging camera for a spectral range of 8{\div}14 {\mu}m with an internal shutter for radiometric calibration. To improve the accuracy of measuring the temper
Externí odkaz:
http://arxiv.org/abs/2408.16165
Publikováno v:
Patologìâ, Vol 21, Iss 2, Pp 177-182 (2024)
The connection between military trauma and cancer is not sufficiently studied. We present a clinical observation of metastasis of cancer of unknown primary localization into a keloid scar of the neck, which occurred after surgical treatment of a woun
Externí odkaz:
https://doaj.org/article/0ec935e027b74c158428ce126e5c3247
Publikováno v:
Zaporožskij Medicinskij Žurnal, Vol 26, Iss 3, Pp 247-253 (2024)
Aim. The paper aimed to update the study on accelerated biological aging as a complication of cancer therapy with a focus on diagnosing and prognosing the disease course. The authors independently searched scientific literature for the systematic
Externí odkaz:
https://doaj.org/article/9ab747bc69f84678a3108066f6b1c761
Autor:
Denis Lomotko, Denis Kovalov
Publikováno v:
Transport Technologies, Vol 5, Iss 1, Pp 64-71 (2024)
The railway transport system in Ukraine stands as a pivotal sector within the nation's transportation infrastructure, accounting for a substantial portion of freight and passenger movement compared to domestic alternative modes of transportation. Wit
Externí odkaz:
https://doaj.org/article/68a214f496eb4e648c1be66cb4062932
Publikováno v:
Patologìâ, Vol 21, Iss 1, Pp 84-88 (2024)
Transformation of adenocarcinoma into small cell lung cancer (SCLC) is a rare and unique biological property of a cancer cell that is responsible for the mechanism of acquired resistance to EGFR tyrosine kinase inhibitors. There are very few clini
Externí odkaz:
https://doaj.org/article/db570a9d20334ceb9f270862ad8e2e4b
Publikováno v:
Business Ethics and Leadership, Vol 8, Iss 1, Pp 74-92 (2024)
The rapid development of digital technologies, digital transformation, business innovation, and the emergence of such technologies as artificial intelligence, blockchain, the Internet of Things provides significant potential for transforming business
Externí odkaz:
https://doaj.org/article/bc34f0e0b2db45b3912ad5a46d2f6f6c
Autor:
Bohdan Kovalov
Publikováno v:
Problems and Perspectives in Management, Vol 22, Iss 2, Pp 71-92 (2024)
This study aims to identify whether achieving sustainable development goals influences SMEs’ development and assess its degree. The dataset on SMEs’ development indicators and SDGs 2, 8, 9, 12, and 13 for the panel of EU-27 countries in 2011–20
Externí odkaz:
https://doaj.org/article/dde207d54e834f75ba868dcd3ee477ea
Autor:
V. M. Kovalov, Yu. V. Kovalova
Publikováno v:
Nauka ta progres transportu, Iss 1(105), Pp 42-50 (2024)
Purpose. The work is aimed at improving the energy efficiency of direct current traction electric drives of electric transport by introducing transistor pulse width converters (PWC) with an optimal switching frequency to minimize total electrical los
Externí odkaz:
https://doaj.org/article/d1f38f25ea194bc79d9d5eedd0fbee56
Autor:
Maryna Budzar, Yevhen Kovalov
Publikováno v:
Київські історичні студії, Vol 2, Iss 17, Pp 88-92 (2023)
The purpose of this archeographic publication is to expand the source base for the biography of Borys Grinchenko (1863–1910). The notes of Maria Grinchenko (1863–1928) are devoted to the episode of the imprisonment of young Borys Grinchenko in th
Externí odkaz:
https://doaj.org/article/f2f8570e2fdd4d26bb9714a7c28ec403