Results 1 to 10 of about 101,826 (169)

Long-term hydrodynamic changes in marginal estuarine seas: the role of sea level rise and freshwater fluxes [PDF]

open access: yesScientific Reports
Significant environmental changes have occurred in marginal estuarine seas in the past, driven by changes in sea level and water and salt balances. Predicting the future evolution of these seas is a scientific challenge because adequate scenario studies ...
Emil V. Stanev
doaj   +2 more sources

Analysis of the harmonic composition of current in the zero-working wire at the input of the load node with the prevailing non-linear power consumers [PDF]

open access: yesArchives of Electrical Engineering, 2021
Due to the extensive use of nonlinear power consumers, there is currently an urgent problem of high harmonic content in power supply networks. The paper provides experimental investigations and a study of the nature of the change in the main harmonic ...
Igor V. Yudaev   +4 more
doaj   +1 more source

THE HARMONIC COMPOSITION OF CURRENT IN ZERO-WORKING WIRE WITH NON-LINEAR LOAD

open access: yesInternational Islamic University Malaysia Engineering Journal, 2021
The purpose of this study was experimental investigations and a study of the nature of the change in the main harmonic components of the current in the neutral working wire of a three-phase four-wire network with a voltage of 0.38 kV.
Igor Yudaev   +4 more
doaj   +1 more source

TWO PONTOS CASTLES IN VEZIRKÖPRÜ, REG. SAMSUN: BÜYÜKKALE (SAGYLION) AND KÜÇÜKKALE [PDF]

open access: yesМатериалы по археологии и истории античного и средневекового Причерноморья, 2023
Vezirköprü, the district of Samsun, is an area of a continuous sedentism for millennia, from the Chalcolithic and Early Bronze Age until the present, due to its location at an important crossroads, with wide plains and numerous streams all around, and a ...
Temür, A.
doaj   +1 more source

An Acoustic Study on the Overwintering Black Sea Anchovy in 2020 [PDF]

open access: yesTurkish Journal of Fisheries and Aquatic Sciences, 2021
The Black Sea anchovy (Engraulis encrasicolus ponticus) is not only the top commercial species with around 250 thousand tonnes of annual catch but a key species of the Black Sea ecosystem facilitating the flow of energy within the food chain.
Ali Cemal Gücü   +4 more
openaire   +1 more source

On the issue of international legal regulation of ensuring environmental safety in water transport in the Black Sea [PDF]

open access: yesSHS Web of Conferences, 2022
This article studies the mechanism of protection of the Black Sea marine environment ensuring environmental safety in water transport in its water area, which was normatively consolidated in the 1992 Convention on the Protection of the Black Sea from ...
Lantseva Veronika Yurievna
doaj   +1 more source

The Right are back to Power [PDF]

open access: yesНаучно-аналитический вестник Института Европы РАН, 2019
In early July, in the course of the extraordinary parliamentary elections in Greece, the center-right New Democracy Party, led by Kyriakos Mitsotakis, won a convincing victory. Elections took place after the leftist radical SYRIZA party of Prime Minister
Serhey Zabelin
doaj   +1 more source

The Fisheries of Great Britain and Brexit [PDF]

open access: yesНаучно-аналитический вестник Института Европы РАН, 2018
On April 9, 2018, the European Commission announced the termination of the European Union fisheries and aquaculture regulations for the UK after the country’s withdrawal from the EU at the end of March 2019.
Kolesnikova M.
doaj   +1 more source

Political background of the end of the Greek bailout programme [PDF]

open access: yesНаучно-аналитический вестник Института Европы РАН, 2019
In 2015 SYRIZA described the end of the bailout as one of the main goals of its public administration. Greece has been implementing tough structural reforms from 2010 to 2018 to receive low-costs financing.
Denis Zelikson
doaj   +1 more source

Determining Residual Deviation and Analysis of the Current Use of the Magnetic Compass

open access: yesJournal of Marine Science and Engineering, 2021
The use of electronic compasses and satellite systems has led to the magnetic compass becoming a secondary means of navigation. Yet this means of navigating is not only not obsolete, it is a necessary backup device: the construction simplicity of the ...
Andrej Androjna   +3 more
doaj   +1 more source

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