Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Aleksandr A. Stepanov"'
Autor:
Igor V. Alabugin, Edgar Gonzalez-Rodriguez, Rahul Kisan Kawade, Aleksandr A. Stepanov, Sergei F. Vasilevsky
Publikováno v:
Molecules, Vol 24, Iss 6, p 1036 (2019)
The high energy packed in alkyne functional group makes alkyne reactions highly thermodynamically favorable and generally irreversible. Furthermore, the presence of two orthogonal π-bonds that can be manipulated separately enables flexible synthetic
Externí odkaz:
https://doaj.org/article/acffca9bef3940968d686878ceb79e57
Publikováno v:
RUDN Journal of Informatization in Education, Vol 20, Iss 3, Pp 294-304 (2023)
Problem statement. Fraud in the conduct of computer testing is a significant risk factor for incorrect assessment of learning outcomes. Modern technical means (smartphones, smart watches, etc.) allow test-takers to freely use the database of correct
Externí odkaz:
https://doaj.org/article/e5f5e0e27a5e47f980cebd66527d117d
Publikováno v:
American Mineralogist. 108:1043-1052
Apatite containing 14 wt% TREO (total rare earth oxide) and coexisting with calciobritholite with 37.2 wt% TREO has been synthesized at 800 °C and 10 kbar from a felsic melt with the addition of NaCl. The analysis of the experimental products with r
Publikováno v:
American Mineralogist. 107:848-859
Pyrite trace element (TE) chemistry is now widely employed in studies of past ocean chemistry. Thus far the main proof of concept has been correlation between large data sets of pyrite and bulk analyses emphasizing redox sensitive TE data from ancien
Publikováno v:
Bulletin of the Russian Military Medical Academy. 24:135-142
At present, infectious diseases of alphaviral etiology remain relevant. The study examined the characteristics of alphaviruses, including the present knowledge of the structure and replication of the virion; prevalence of epidemiologically significan
Autor:
Anna G. Chunovkina, Anastasiya A. Tumilovich, Aleksandr V. Stepanov, Maxim S. Vonsky, Nadezhda A. Kovyazina, Natalya A. Alkhutova, Vladimir L. Emanuel
Publikováno v:
Izmeritel`naya Tekhnika. :69-74
Autor:
Sergey V. Stepanov, Pavel P. Avdeenkov, Julia V. Ruzanova, Aleksandr S. Stepanov, Andrey V. Belyakov, Olga S. Ponomarenko
Publikováno v:
Urban construction and architecture. 11:30-36
A distinctive feature of waste water of fi sh processing enterprises is the high content of organic substances: COD - 620-3500 mg/L, BOD-220-2860 mg/L. The ratio of BOD:COD=0.68-0.83 in the waste water of fi sh processing enterprises shows a high pot
Autor:
Sergey V. Stepanov, Olga S. Solkina, Aleksandr S. Stepanov, Andrey V. Belyakov, Pavel P. Avdeenkov
Publikováno v:
Urban construction and architecture. 11:63-71
Currently, the Strategy for the development of the fi shery sector of the Russian Federation for the period up to 2030 has been approved. To implement this strategy, the construction of new and reconstruction of existing enterprises is planned. Waste
Publikováno v:
Economic Geology. 116:1387-1407
The island state of Tasmania is the most important tin producer in Australia. The spatial and genetic relationship between Tasmanian tin deposits and Devonian-Carboniferous granites, which intruded throughout the Tabberabberan orogeny, has long been
Publikováno v:
Obrazovanie i Nauka, Vol 0, Iss 9, Pp 36-50 (2015)
The aim of the investigation is to justify urgency and efficiency of teachers’ collective work of the chair on formation of integrated special professional competences of trainees.Methods. Teamwork is considered as a leading method of aim realisati
Externí odkaz:
https://doaj.org/article/d4ac77891b3b4cce8300ac918497c652