Zobrazeno 1 - 4
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pro vyhledávání: '"Mihail Kulev"'
Publikováno v:
Journal of Danubian Studies and Research, Vol 10, Iss 2, Pp 297-309 (2020)
Water quality is a key issue for the sustainable development of the world. At present, in most regions of the globe, there is a continuous deterioration of water quality. To stop this process, it is necessary to initiate complex studies and actions
Externí odkaz:
https://doaj.org/article/ace5f1485f0c40799030e456e3ce6363
Autor:
Mihail Kulev, Stoicev Petru
Publikováno v:
Journal of Engineering Science. 29:8-17
This paper deals with the theoretical-experimental model of the tribological behavior of the contact elements in precessional gears (PG) in the functions of conjugate profiles of linear velocities “convex-concave” or “convex-convex” for the c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::549108b4937f738263fd08fba3896a4d
https://doi.org/10.52326/jes.utm.2022.29(2).01
https://doi.org/10.52326/jes.utm.2022.29(2).01
Publikováno v:
BASE-Bielefeld Academic Search Engine
Journal of Danubian Studies and Research, Vol 10, Iss 2, Pp 297-309 (2020)
Journal of Danubian Studies and Research, Vol 10, Iss 2, Pp 297-309 (2020)
Water quality is a key issue for the sustainable development of the world. At present, in most regions of the globe, there is a continuous deterioration of water quality. To stop this process, it is necessary to initiate complex studies and actions b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::813d3ecbc7917161de2a9676b0f73cc6
https://doaj.org/article/ace5f1485f0c40799030e456e3ce6363
https://doaj.org/article/ace5f1485f0c40799030e456e3ce6363
This thoroughly revised and updated edition of The Handbook of Political Change in Eastern Europe provides an authoritative and thorough analysis of the political changes which have occurred in Central and Eastern Europe since the demise of communism