Results 1 to 10 of about 2,041 (118)

Features of Uranium Recovery from Complex Aqueous Solutions Using Composite Sorbents Based on Se-Derivatives of Amidoximes [PDF]

Gels
The article presents a comprehensive comparative performance evaluation and validation of composite adsorbents based on the Se-derivative of 4-amino-N′-hydroxy-1,2,5-oxadiazole-3-carboximidamide for U (VI) recovery from complex multicomponent aqueous ...
Eduard A. Tokar’, Anna I. Matskevich, Konstantin V. Maslov, Veronika A. Prokudina, Alena N. Popova, Dmitry K. Patrushev   +5 more
doaj   +2 more sources

Composite Sorbents Based on Chitosan Polymer Matrix and Derivatives of 4-Amino-N′-hydroxy-1,2,5-oxadiazole-3-carboximidamide for Uranium Removal from Liquid Mineralized Media [PDF]

Gels
Composite adsorbents based on a natural biopolymer matrix of chitosan, to which 4-amino-N′-hydroxy-1,2,5-oxadiazole-3-carboximidamide and its Se derivative were attached, were synthesized.
Anna I. Matskevich, Konstantin V. Maslov, Veronika A. Prokudina, Daria D. Churakova, Oleg Yu. Slabko, Dmitry K. Patrushev, Nikita S. Markin, Eduard A. Tokar’   +7 more
doaj   +2 more sources

ANTHROPOGENIC FACTOR IN ENHANCING LANDSLIDE ACTIVITY IN SAKHALIN REGION ON THE EXAMPLE OF A LANDSLIDES AND DESTRUCTION OF THE INFRASTRUCTURE OF A PURE WATER RESERVOIR IN SINEGORSK

Известия Томского политехнического университета: Инжиниринг георесурсов, 2022
The relevance of the study is caused by the activation of landslide processes as a result of human engineering activities, leading to the destruction of infrastructure facilities for the life support of cities and settlements in the Sakhalin Region, as ...
Valeriy A. Sakharov, Vladimir V. Ilin, Nikolay V. Ilin, Konstantin B. Strokin, Denis G. Novikov   +4 more
doaj   +1 more source

Seasonal and interannual variability of fish species composition in catches of bottom nets in the Russian waters of the Kunashir Strait

Известия ТИНРО, 2023
Seasonal and interannual variability of the demersal fish species composition is considered for the depths of 70–315 m in the eastern Kunashir Strait on the data obtained in 1998–2014.
A. Ya. Velikanov, I. N. Mukhametov, G. V. Shevchenko, Zh. R. Tshai, V. N. Chastikov   +4 more
doaj   +1 more source

DAGINSKY DEPOSIT OF THERMAL MINERAL WATERS. FORMATION CONDITIONS, CURRENT STATE, PROSPECTS FOR USE (SAKHALIN REGION)

Известия Томского политехнического университета: Инжиниринг георесурсов, 2020
The relevance of the research is caused by the need to expand the use of the resource base of mineral waters for balneological purposes, close to the consumer, assess the therapeutic properties of mineral waters based on a study of their operating ...
Valeriy A. Sakharov, Vladimir V. Ilin, Olga A. Morozova, Evgeny N. Vypryazhkin, I Ken Khi, Irina V. Gogoleva   +5 more
doaj   +1 more source

Features of exploitation of high-number industrial chum salmon Oncorhynchus keta on the example of Lake Tunaicha (south-eastern Sakhalin): problems and proposed solutions

Известия ТИНРО, 2022
In Lake Tunaicha mainly artificial reproduction of chum salmon is carried out. The escapement is at a high level — more than 1 million fish. Significant pre-settlement mortality of chum salmon has been regularly observed in the lake basin over the last ...
Y. I. Ignatyev, N. V. Kolpakov, V. D. Nikitin, T. G. Koreneva   +3 more
doaj   +1 more source

The subjectivity of the personality of learners as a response to the challenges of modern times [PDF]

E3S Web of Conferences, 2020
Justification of the objectives of the study: the article discusses issues related to the present, faced by students and future professionals, as well as teachers and psychologists.
Shvetsova Arina, Kuprina Maria, Rumyantseva Lyudmila   +2 more
doaj   +1 more source

Distribution of microelements in the tissues and organs of saffron cod Eleginus gracilis (Tilesius, 1810) from the coastal waters of Sakhalin Island

Известия ТИНРО, 2023
Microelements (Pb, Cd, As, Hg, Fe, Cu, Mn, Cr, Ni) are investigated in the tissues of saffron cod Eleginus gracilis caught in the coastal waters of Sakhalin Island in 2020.
Y. N. Poltev, T. G. Koreneva, V. E. Maryzhihin, I. V. Sirbu   +3 more
doaj   +1 more source

Motivation of students with different professional education levels as a determinant of future professional self-realization [PDF]

E3S Web of Conferences, 2020
Justification of the study objectives: Due to the modern demands of the labour market, the reform of the Russian education system requires serious changes, both in the specialists training system and in process of their direct activities.
Afanasenkova Elena, Morozova Julia, Pankstyanova Natalia   +2 more
doaj   +1 more source

The Main Trends in the Development of Production and Consumption of Fish Products in the Sakhalin Region

Регионология, 2020
Introduction. The study is of relevance as there has been a decrease in catch over the past few years in the Sakhalin Region. This decline must be assessed in terms of its impact on the economic performance of enterprises and household budgets in the ...
Dmitry A. Pitilyak, Irina E. Karyakina, Diana A. Zakharchenko   +2 more
doaj   +1 more source