Výsledky vyhledávání - "O A Ivashchuk"

Akademický článek

Optimal speed of temperature change of a crystal in a pyroelectric X-ray radiation source

Autor: A. S. Kubankin, A. S. Chepurnov, O. O. Ivashchuk, V. Yu. Ionidi, I. A. Kishin, A. A. Klenin, A. N. Oleinik, A. V. Shchagin

Publikováno v: AIP Advances, Vol 8, Iss 3, Pp 035207-035207-5 (2018)

In this work we present the results of the experimental studies of the dependence of the X-ray radiation on the temperature change speed of the lithium tantalate monocrystal in the pyroelectric source of the X-ray radiation. We have found an optimize

Externí odkaz: https://doaj.org/article/dab48e84282243578906a4e928cd34e8

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Determination of qualitative characteristics of soybean and rapeseed oil by infrared spectroscopy

Autor: S. V. Khomyak, Ye. M. Semenyshyn, R. A. Chyzhovych, O. S. Ivashchuk, T. A. Kuzminchuk, A. R. Hlukhaniuk

Publikováno v: Chemistry, Technology and Application of Substances. 4:138-144

The article presents results of the study of soybean and rapeseed vegetable oils’ qualitative composition dependence on the degree of raw materials grinding obtained by extraction in a stationary layer in a Soxhlet apparatus using methylene chlorid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b1e697732908bf16052b6f9ff14e02fc
https://doi.org/10.23939/ctas2021.01.138

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Dependence of the Endpoint Energy of X-Ray Radiation on the Preliminary Temperature Change during the Pyroelectric Source Operation in the Pulsed Mode

Autor: A. N. Oleinik, M. E. Gilts, O. O. Ivashchuk, A. S. Kubankin, A. V. Shchagin, E. V. Bolotov, A. A. Klenin

Publikováno v: Bulletin of the Lebedev Physics Institute. 48:127-130

This paper presents the results of the study of the dependence of the endpoint energy of X-ray radiation on the preliminary change in the temperature of the lithium tantalate (LiTaO3) single crystal, which is a source of a strong electric field of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ba67599e401b16c7916f3eb9c115073
https://doi.org/10.3103/s1068335621050079

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X-Ray Generation during Piezoelectric Lighter Operation in Vacuum

Autor: A.V. Shchagin, E. V. Bolotov, A. N. Oleinik, A. A. Klenin, A. S. Kubankin, Yu. V. Grigor’ev, A. S. Kumskov, O. O. Ivashchuk

Publikováno v: Glass and Ceramics. 77:469-472

The results of experimental studies on the generation of x-rays when operating a piezoelectric kitchen lighter in a vacuum are presented. For the first time, a new method for increasing the intensity of x-ray radiation in the piezoelectric effect in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a12da91be666b1a25aee1e1c0a8669fd
https://doi.org/10.1007/s10717-021-00334-8

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Predicting the Operational Efficiency of High-Pressure Roller Crushers

Autor: O. D. Ivashchuk, O. A. Ivashchuk, V. I. Fedorov, A. I. Shtana

Publikováno v: Russian Engineering Research. 40:970-972

Models based on regression analysis for predicting the operational efficiency of high-pressure roller crushers are considered. A systematized and structured production database is created and statistically analyzed. The consistency of the data is ver

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3de09422e0083975053e1e6f9fa509c6
https://doi.org/10.3103/s1068798x2011009x

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Forecasting the environmental situation at the purification plants of the enterprise based on fuzzy logic

Autor: O D Ivashchuk, E V Nesterova, S V Igrunova, E V Kaliuzhnaya, I V Udovenko

Publikováno v: Journal of Physics: Conference Series. 2388:012039

The study set the goal of improving the efficiency of various technological schemes of purification plants of the enterprise through the development of an expert system based on fuzzy logic methods and the formation of practical recommendations for i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9808cbbdd9ff51cc74b99bf36f52206
https://doi.org/10.1088/1742-6596/2388/1/012039

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The role of evaluation in computer-based testing for a successful module control

Autor: Yu. Ya. Chuprovska, V. Yu. Bodiaka, I. Ya. Hushul, O. I. Ivashchuk

Publikováno v: Bukovinian Medical Herald. 22:154-158

Material and methods. To achieve the target goal, before passing the module control on the subjects "Oncology" and "Radiation Medicine", an evaluation of computer-based testing with the participation of 206 students of the 5th year on the specialties

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af9e7d76419bde900df68d08cc4ffb28
https://doi.org/10.24061/2413-0737.xxii.4.88.2018.100

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