Zobrazeno 1 - 10
of 15
pro vyhledávání: '"V. A. Yevstafyeva"'
Autor:
V. A. Yevstafyeva, V. V. Melnychuk, О. V. Nikiforova, К. V. Suprunenko, L. N. Korchan, Т. Р. Lokes-Krupka, I. S. Nehrebetskyi, N. І. Korchan
Publikováno v:
Regulatory Mechanisms in Biosystems, Vol 9, Iss 2, Pp 229-236 (2018)
The genus Heterakis Dujardin, 1845 is one of the most widely distributed genera of nematode parasites of domestic and wild birds. Geographically and ecologically predominant species include Heterakis gallinarum Schrank, 1788 and Heterakis dispar Schr
Externí odkaz:
https://doaj.org/article/7b98d35db4284cefb31ace598a7f5299
Autor:
Y. A. Gugosyan, V. A. Yevstafyeva, О. А. Gorb, V. V. Melnychuk, I. О. Yasnolob, C. M. Shendryk, M. А. Pishchalenko
Publikováno v:
Regulatory Mechanisms in Biosystems, Vol 9, Iss 1, Pp 75-79 (2018)
Strongyloides westeri (Ihle, 1917), a parasitic horse nematode, has an unusual lifecycle, which allows it to exist for a long time in the environment. Morphometric features of eggs, larvae and free-living S. westeri were studied in vitro under differ
Externí odkaz:
https://doaj.org/article/1895228f03264e84a7887554d0210cb3
Autor:
V. A. Yevstafyeva, T. A. Sharavara, V. V. Melnychuk, О. V. Sirenko, О. В. Prijma, L. V. Nagorna, N. S. Kanivets, Y. O. Borodai
Publikováno v:
Biosystems Diversity, Vol 25, Iss 3, Pp 243-248 (2017)
The indices of the Melophagus ovinus (Linnaeus, 1758) population in Ukraine, and also the peculiarities of morphological and metric structure of the insects’ body at all the stages of their development within the conditions of the surveyed region w
Externí odkaz:
https://doaj.org/article/fc9136f460ff44298f86e91ab00e635e
Autor:
V. A. Yevstafyeva, V. V. Stybel, T. A. Sharavara, V. V. Melnychuk, I. О. Yasnolob, А. А. Antipov
Publikováno v:
Biosystems Diversity, Vol 25, Iss 4, Pp 354–360-354–360 (2018)
The abundance of Capillaria obsignata Madsen, 1945, the causative agent of chicken capillariasis, was studied in the central region of Ukraine. Differential morphometric characters are determined for adult males and females of C. obsignata. The speci
Externí odkaz:
https://doaj.org/article/7e11d118f17343ebbf9e31e9144121fb
Autor:
I. V. Yatsenko, I. M. Lotskin, N. M. Bogatko, V. O. Yevstafyeva, M. G. Mazanna, М. О. Dehtiarov
Publikováno v:
Theoretical and Applied Veterinary Medicine, Vol 9, Iss 3, Pp 135-139 (2021)
A method for detecting honey falsification with sodium bicarbonate, added deliberately to reduce the mass fraction of water in honey, increase its density and consistency, eliminate signs of fermentation and reduce contamination by microorganisms, ha
Externí odkaz:
https://doaj.org/article/46a5c182e66a483fa28df4876bd78fa5
Publikováno v:
Differential Equations. 59:153-167
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c669356cadf9975d83c1a456f0fc786
https://doi.org/10.1134/s0012266123020015
https://doi.org/10.1134/s0012266123020015
Publikováno v:
Differential Equations. 58:455-467
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0804017a4ff3974c0701f7dd57f65c7b
https://doi.org/10.1134/s0012266122040024
https://doi.org/10.1134/s0012266122040024
Autor:
V. V. Yevstafyeva
Publikováno v:
Ukrains’kyi Matematychnyi Zhurnal. 73:640-650
УДК 517.925 Досліджено -вимірну систему звичайних диференціальних рівнянь з релейною нелінійністю гістерезисного типу й періодичною функ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df84e46524756ab4d9db69385ad8d93c
https://doi.org/10.37863/umzh.v73i5.6379
https://doi.org/10.37863/umzh.v73i5.6379
Autor:
V. V. Yevstafyeva
Publikováno v:
Mathematical Notes. 109:551-562
A system of $$n$$ th-order ordinary differential equations with relay nonlinearity and periodic perturbation function on the right-hand side is studied. The matrix of the system has real nonzero eigenvalues, among which there is at least one positive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d4cac383cfb017f60a30c2c04562876
https://doi.org/10.1134/s0001434621030238
https://doi.org/10.1134/s0001434621030238
Autor:
V. V. Yevstafyeva
Publikováno v:
Differential Equations. 57:155-164
We consider a system of $$n$$ th-order ordinary differential equations whose right-hand side is the sum of a linear function of the solution with a constant matrix, an essential nonlinearity of the relay type with hysteresis, and a perturbing continu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c140778f28b6089db7b9e4546f029051
https://doi.org/10.1134/s001226612102004x
https://doi.org/10.1134/s001226612102004x