Zobrazeno 1 - 10
of 899
pro vyhledávání: '"O. Kovalchuk"'
Autor:
A. Dubikovska, O. Kovalchuk
Publikováno v:
Zoodiversity, Vol 58, Iss 1 (2023)
The results of the study of the meristic and morphometric characters of complete and fragmentary skeletons of Notogoneus gracilis (Gonorynchidae) and Boltyshia brevicauda (Umbridae) recovered from Paleocene–Eocene lacustrine deposits of the Boltysh
Externí odkaz:
https://doaj.org/article/4001d6eeb0bc4d1daf8a4305763bca51
Autor:
V. Yanenko, O. Kovalchuk
Publikováno v:
Zoodiversity, Vol 57, Iss 4 (2023)
The paper describes a series of turtle remains from the Early Late Miocene of Grytsiv (Khmelnytskyi Oblast, Ukraine). This fossil assemblage was quite diverse and included representatives of four families (Emydidae, Geoemydidae, Testudinidae, and Tri
Externí odkaz:
https://doaj.org/article/730a3d5c94a54fb48198fb634ed5b0fd
Publikováno v:
Geo&Bio, Vol 21, Pp 13-24 (2021)
The paper presents a brief review of the scientific and educational role of natural history museums, particularly in the field of interpretation of organic evolution. The scientific and social value of collections that are stored at natural history m
Externí odkaz:
https://doaj.org/article/4a1ef09130104dd9b5fab34eb65f7d4a
Autor:
L. Kyselevych, O. Kovalchuk
Publikováno v:
Geo&Bio, Vol 21, Pp 95-114 (2021)
Data from a comprehensive study into the lithological composition and lateral distribution of Albian and Cenomanian deposits in the Middle Dnister region (Ukraine), in the watersheds of the Smotrych–Tarnava–Studenytsia–Ushytsia–Kalyus–Zhvan
Externí odkaz:
https://doaj.org/article/577e0575ce52445b9d40e37b405f0edd
Publikováno v:
Global Journal of Environmental Science and Management, Vol 7, Iss 4, Pp 503-522 (2021)
BACKGROUND AND OBJECTIVES: The requirements of stakeholders for the qualitative transformation of the approaches of industrial enterprises – environmental users to introduction of economic activities cause an increase in the role of environmental r
Externí odkaz:
https://doaj.org/article/c2ed2fe1892745e5ae76eceaa090a8b7
Publikováno v:
Наукові горизонти, Vol 8, Iss 93, Pp 149-157 (2020)
From among a great number of digestive system diseases in domestic animals there is pancreatitis which is caused by an early zymogenesis in the acinar cells. The problem of studying the structural organization of a pancreata in sick cats is topical b
Externí odkaz:
https://doaj.org/article/ff809f9e51c648e39aefce7f921a47a8
Publikováno v:
Наукові горизонти, Vol 7, Iss 92, Pp 7-13 (2020)
This paper deals with the comparative characteristics of macro and macro microscopic structure of the pancreas in clinically healthy adults dogs and cats. Anatomical, histological, morphometric and statistical methods of research. The pancreas is the
Externí odkaz:
https://doaj.org/article/7b4b4cdab9e64f1f8f9855dd6ffb9c8e
Publikováno v:
Наукові горизонти, Vol 85, Iss 12, Pp 33-38 (2019)
For the correct, complete and accurate diagnosis of animal diseases requires knowledge of the physiological indicators of the state of their body, which are debatable. Considering that blood is a diagnostic test of diseases of different genesis, it w
Externí odkaz:
https://doaj.org/article/4afe2a1b649348f49fa86270a3cd06e0
Publikováno v:
Фінансово-кредитна діяльність: проблеми теорії та практики, Vol 3, Iss 38 (2021)
Abstract. Current issues of international and national guarantees of economic security and some proposals for their improvement outline the developments set out in this article. It is stated that economic security is one of the most important compone
Externí odkaz:
https://doaj.org/article/20e91b2ce4814e4f8c82c30c95d753cc
Publikováno v:
Geo&Bio, Vol 16, Pp 20-30 (2018)
The paper deals with the study of the comparative osteological collection of extant amphibians and reptiles deposited in the Department of Palaeontology of the National Museum of Natural History, NAS of Ukraine. The collection has been recently catal
Externí odkaz:
https://doaj.org/article/ac88e9941fff40cd963360e73460404d