The potential of high-frequency hydroacoustic methods in oceanography

Yu.G. Artemov, V.N. Egorov A.O. Kovalevsky Institute of Biology of the Southern Seas of RAS, RF, Sevastopol, Nakhimov Av., 2 E-mail: yu.g.artemov@ibss-ras.ru DOI: 10.33075/2220-5861-2024-4-57-72 UDC 551.46.06                                          EDN: https://elibrary.ru/mqkymv Abstract: The aim of the research was … Read more

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Self-similar approach to determining the vertical distribution of sound speed in the active layer of the ocean

A.N. Grekov, N.A. Grekov Institute of Natural and Technical Systems, RF, Sevastopol, Lenin St., 28 E-mail: oceanmhi@ya.ru DOI: 10.33075/2220-5861-2024-4-47-56 UDC 681.883                                            EDN: https://elibrary.ru/kdutwq Abstract:          The article analyzes various methods for … Read more

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Operational monitoring of the immersion depth of autonomous profiler during probing

L.A. Krasnodubets1,2  1Sevastopol State University, RF, Sevastopol, Universitetskaya St., 33 2Institute of Natural and Technical Systems, RF, Sevastopol, Lenin St., 28 DOI: 10.33075/2220-5861-2024-4-38-46 UDC 621.384 – 027.31                                            EDN: https://elibrary.ru/isunnj Abstract: The paper presents a … Read more

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Optical characteristics of microalgae culture in installation with external light sensors

R.P. Trenkenshu, A.S. Gulin 1The A.O. Kovalevsky Institute of Biology of the Southern Seas of RAS,  RF, Sevastopol, Nakhimov Av., 2 DOI: 10.33075/2220-5861-2024-3-65-70 UDC [579:582.26/.27]:581.143:535.34/.35                 EDN: https://elibrary.ru/lhlupv Abstract: The paper formulates the main problems that arise when determining the biomass of a microalgae culture using flow-through optical sensors, namely the need to immerse them … Read more

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Methodology for correcting dynamic errors in deep-sea measurements of hydrogen sulfide ions

Y.E. Shishkin1,2, O.Y. Shapovalov1 1Institute of Natural and Technical Systems, RF, Sevastopol, Lenin St., 28 2Sevastopol State University, RF, Sevastopol, Universitetskaya St., 33 DOI: 10.33075/2220-5861-2024-3-58-64 UDC 551.466.86         EDN: https://elibrary.ru/kguoix Abstract: For the implementation of automated measurements of hydrogen sulfide ion concentrations dissolved in seawater, ion-selective electrodes are commonly used in practice. These electrodes are characterized … Read more

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Analysis of the toxicity of aromatic hydrocarbons using modern instrumental biotesting methods

P.V. Manakhova, A.V. Smirnov, О.K. Tishkova, А.S. Kovalevskaya Saint-Petersburg Electrotechnical University “LETI”, RF, Saint-Petersburg, Popova St., 5 E-mail: andreismirnov5000@gmail.com DOI: 10.33075/2220-5861-2024-2-38-48 UDC 504.064.38 EDN: https://elibrary.ru/flkyjc Abstract: Aromatic hydrocarbons are widely used in the chemical, oil refining and pharmaceutical industries and inevitably end up in industrial wastewater. According to the Water Code of the Russian Federation, before … Read more

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Methods and means of remote identification of water quality indicators in a water body using unmanned aerial vehicles

I.A. Shishkin1, Kh.O. Barkhkhuev2, N.A. Zhilnikova1, А.А. Berezina1, V.O. Smirnova1 1Saint-Petersburg State University of Aerospace Instrumentation,  RF, Saint Petersburg, Bolshaya Morskaya St., 67 2Saint Petersburg State University of Industrial Technologies and Design, Higher school of technology and energy, RF, Saint Petersburg, Bolshaya Morskaya St., 18 DOI: 10.33075/2220-5861-2024-1-62-70 UDC 502.2.05                                                             EDN: https://elibrary.ru/fwvfwa Abstract: The article discusses … Read more

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Сomparative assessment of the chlorophyll “a” concentration in the black sea in the spring according to the data of the sounding complex and direct measurements

A.A. Farber, L.V. Stelmakh The A.O. Kovalevsky Institute of Biology of the Southern Seas of RAS, RF, Sevastopol, Nakhimov Av., 2 DOI: 10.33075/2220-5861-2024-1-53-61 UDC 582.261.1(262.5)                                                 EDN: https://elibrary.ru/fswzfn Abstract: As an express method for determining the content of chlorophyll “a” in the phytoplankton of the Black Sea, in vivo fluorescence is often used, determined using a … Read more

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Marine autonomous profiler probe

L.A. Krasnodubets1,2, Y.E. Shishkin1,2, O.Y. Shapovalov2, A.V. Klimenko2, M.N. Penkov2  1Sevastopol State University, RF, Sevastopol, Universitetskaya St., 33 2 Institute of Natural and Technical Systems, RF, Sevastopol, Lenin St., 28 DOI: 10.33075/2220-5861-2024-1-42-52 UDC 621.384 – 027.31                                                 EDN: https://elibrary.ru/fkwuom Abstract: The paper presents a solution for rapid analysis of marine water density vertical profiles in … Read more

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Apparatus and analytical technique for biomass and materials

Moe Thanda Kyi  Department of Administration and Research, Myanmar Aerospace Engineering University, Meiktila Township, Mandalay Region, Myanmar E-mail: moethandakyi@gmail.com DOI: 10.33075/2220-5861-2024-1-35-41 EDN: https://elibrary.ru/dmqcpl Abstract: This research paper presented the concept, design and construction of the device to thermogravimetric measurements and the results of tests carried out on wood pellets. The purpose of this paper is … Read more

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