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pro vyhledávání: '"Nikolay Kanev"'
Autor:
Nikolay Kanev
Publikováno v:
Acoustics, Vol 6, Iss 2, Pp 509-522 (2024)
Different types of resonators are used to create acoustic metamaterials and metasurfaces. Recent studies focused on the use of multiple resonators of the dipole, quadrupole, octupole, and even hexadecapole types. This paper considers the theory of an
Externí odkaz:
https://doaj.org/article/f174217d3fcf415fbb91574ca986e1fa
Autor:
Nikolay Kanev
Publikováno v:
Acoustics, Vol 4, Iss 4, Pp 903-914 (2022)
Metasurfaces formed by monopole and dipole resonators are studied theoretically. The monopole resonators are Helmholtz resonators or membranes vibrating on the first eigenfrequency; the dipole ones are spheres on springs or membranes vibrating on the
Externí odkaz:
https://doaj.org/article/2d06fc576873447f8022b6441729f111
Autor:
Nikolay Kanev
Publikováno v:
Studia Ceranea, Vol 12, Pp 507-522 (2022)
The present article aims to put into scholarly circulation two new unpublished Byzantine lead seals from the medieval fortress in the area of the village of Voden (municipality of Bolyarovo, Yambol region, Bulgaria). They were handed to the Regional
Externí odkaz:
https://doaj.org/article/99a4f7ce9e1f488698c100c31616cb25
Autor:
Nikolay Kanev
Publikováno v:
Вестник Волгоградского государственного университета. Серия 4. История, регионоведение, международные отношения, Vol 26, Iss 6, Pp 96-101 (2021)
ntroduction. The present article is a primary publication of a newly discovered sphragistic artefact from the area of the medieval fortress of Rusokastro, which was acquired by the Regional Historical Museum in Burgas in 2019. Methods. In their entir
Externí odkaz:
https://doaj.org/article/bdfdf97e3b6b48bd8159d5672a3dd9c6
Autor:
Nikolay Kanev
Publikováno v:
Acoustics, Vol 3, Iss 1, Pp 137-155 (2021)
Acoustic comfort in shopping malls is one of the aspects that influence the shopping environment. Making enjoyable and comfortable retail and public spaces is demanded when designing and managing properties. This paper focuses on the study of the pub
Externí odkaz:
https://doaj.org/article/6ed92bb16ca047529435842b01a73223
Autor:
Nikolay Kanev
Publikováno v:
Acoustics, Vol 2, Iss 2, Pp 399-415 (2020)
Resonant vessels in ancient and medieval buildings are the subject of some historical and acoustic research today. There have been a number of detailed surveys of European churches, where acoustic pots remain in the buildings. Despite the fact that i
Externí odkaz:
https://doaj.org/article/635bf2e4b0be41d6bef7ca1d5d888ac3
Autor:
Nikolay Kanev
Publikováno v:
Вестник Волгоградского государственного университета. Серия 4. История, регионоведение, международные отношения, Vol 24, Iss 6, Pp 90-94 (2019)
Introduction. The paper deals with a byzantine lead seal of Constantine, notarios and abydikos, which originated from the vicinity of the medieval fortress of Rusokastro, southeastern Bulgaria. Methods. A part of byzantine lead seals are a primary
Externí odkaz:
https://doaj.org/article/d7b947d831754591a1812f90a82af471
Autor:
Nikolay Kanev
Publikováno v:
Studia Ceranea, Vol 9, Pp 455-473 (2019)
This article examines the question about the policy of honouring members of the Bulgarian imperial family and Bulgarian aristocracy with Byzantine honorific titles pursued by Emperor Basil II Boulgaroktonos (976–1025) in the course of the conquest
Externí odkaz:
https://doaj.org/article/f312d40ea9384c1fa1e6a25c4ac50032
Autor:
Nikolay Kanev
Publikováno v:
Античная древность и средние века, Vol 49, Iss 0 (2021)
This paper analyses a Byzantine lead seal discovered in 2019 and now residing in the Regional Historical Museum in Burgas (Bulgaria). According to the legend, it belonged to a Byzantine official Michael by name, who held the position of (imperial) pr
Externí odkaz:
https://doaj.org/article/f136febd657c4a6c9f154e55c0837032
Autor:
Nikolay Kanev
Publikováno v:
Studia Ceranea, Vol 8, Pp 153-165 (2018)
The aim of the article is to present the Byzantine secular rank hierarchy of the 9th–11th centuries. During the above-mentioned period of time Byzantium knew not one but several distinct, relatively independent official hierarchical systems. All of
Externí odkaz:
https://doaj.org/article/c636520a2bf74727ae444f74dc4bd6e5