Zobrazeno 1 - 10
of 1 293
pro vyhledávání: '"A. P. Kren"'
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
Autor:
S. S. Parshina, V. F. Kirichuk, T. V. Golovacheva, T. N. Afanasyeva, V. D. Tupikin, A. P. Krenitsky, A. V. Mayborodin, N. A. Lopatina
Publikováno v:
Кардиоваскулярная терапия и профилактика, Vol 5, Iss 4, Pp 70-74 (2006)
Aim. To study hypocoagulation effectiveness and mechanisms of electro-magnetic radiation, terahertz range, NO molecular specter frequencies (EMR THF-NO), in patients with various angina forms. Material and methods. The authors examined 80 patients wi
Externí odkaz:
https://doaj.org/article/b7e3d81cc3a640b59bcdd3a97f3453ad
Autor:
V. F. Kirichuk, E. V. Andronov, A. P. Krenitsky, V. D. Tupikin, A. V. Mayborodin, O. V. Betsky
Publikováno v:
Кардиоваскулярная терапия и профилактика, Vol 4, Iss 6, ч.II, Pp 53-59 (2005)
Aim. To investigate the effects of electromagnetic terahertz waves at NO MSIP (molecular specter of radiation and absorption), 240 Hz, on platelet functional activity Р in natural electromagnetic field, as well as in crossed magnetic and electric fi
Externí odkaz:
https://doaj.org/article/6233377e99084aefa34e44a6db4e1873
Publikováno v:
Pribory i Metody Izmerenij, Vol 13, Iss 3, Pp 228-236 (2022)
The manufacture of products using additive technologies is accompanied by the unpredictable appearance of inhomogeneity of properties, anisotropy, residual stresses, porosity, and other defects. Therefore, there is a great relevance of non-destructiv
Externí odkaz:
https://doaj.org/article/f876f08e6cb447dc9fb3131318972b5c
Autor:
A. P. Kren
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 2, Pp 84-90 (2022)
The paper considers the possibility of assessing the plasticity of aluminum alloys and aluminum matrix composites by the method of quasi‑static and micro‑impact indentation at pre‑impact velocities in the range of 1–3 m/s. It is proposed to u
Externí odkaz:
https://doaj.org/article/8bf7bd56355d4322b877e32cde5de142
Publikováno v:
Pribory i Metody Izmerenij, Vol 12, Iss 3, Pp 230-238 (2021)
Сontrol of mechanical stresses formed with the deposition of nickel coatings plays an important role in the diagnosis of coatings’ technical condition. Large internal stresses can lead to cracking or flaking of coatings which is completely unaccep
Externí odkaz:
https://doaj.org/article/be9750bd39334ab5a9a36e3d5cfc89f6
Autor:
A. P. Kren, V. A. Rudnitsky, G. A. Lantsman, M. N. Delendik, N. V. Zinkevich, E. V. Hnutsenka
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 3, Pp 65-69 (2019)
The possibility of the application of impact microindentation method for testing the physic and mechanical properties of cast iron using the IFMH-C instrument developed at the Institute of applied physics of the National Academy of Sciences of Belaru
Externí odkaz:
https://doaj.org/article/4481b3a5d0a6490b9b8997a99ab09746
Publikováno v:
Pribory i Metody Izmerenij, Vol 9, Iss 3, Pp 263-271 (2018)
The active application in the practice of testing the indentation methods, in particular to measure the physical and mechanical properties of metals, polymers, biological technologies demands to development techniques for the measurement error estima
Externí odkaz:
https://doaj.org/article/9c8f243b3a0a4ceb9922b7234f8c4f67
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 2, Pp 81-87 (2017)
The method of plasticity test of metallic materials realized by means of a dynamic dimpling of material by a spherical tip is offered. The measured value of plasticity is defined by a ratio of plastic and complete deformations in the formed indentati
Externí odkaz:
https://doaj.org/article/0f7ee07fa3ad4f82b2fde6d8a8ef9cd1
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 15, Iss 5, Pp 900-906 (2015)
Subject of Study. The paper deals with problems of determination for the mass flow rate of corrosive and unstable liquids, taking into account their actual density. Methods. Experimental and theoretical research method is proposed for the appearance
Externí odkaz:
https://doaj.org/article/d3936f788f3146afb158e88db4afa90d