Search Results - S. A. Stepanov

Background. The Witwatersrand gold province located in South Africa is the richest in the world. The Witwatersrand deposits are composite, where osmirids and diamonds are mined along with gold, silver and uranium. The genesis of the Witwatersrand deposits is controversial. Most local geologists supp...

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The main features of the difference and similarity of the physical and chemical properties of gold and mercury have been given, which  determine their behavior in the natural processes of formation of  deposits of both metals in Kamchatka. It has been shown that the  difference in the properties of...

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The article presents the results of the selection work of the laboratory of breeding and seed production of table root crops of the Federal Scientific Vegetable Center for the culture of Chinese radish (loba). From the collection material (a total of 23 samples were studied), a promising material wa...

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About 1400 placers and several dozens of ore gold deposits are known in the Amur gold-bearing province. Placers are to a large degree worked out, so the future of the province is seen to be in the discovery of the new gold deposits. The paper shows the dependence of the productivity and composition...

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Relevance. In connection with the development of industrial hydroponics in the country, the need arose to create targeted varieties and hybrids of F1 small radish for salad lines, which have special requirements. They should be productive, early ripening and shade-tolerant, with a rounded root shape...

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Immunotoxic properties of insacar are studied. By the results of reaction of hypersensitivity of the sloweddown type the stimulation index at the animals receiving insacar at the dose of 0,02 and 0,2 ml made respectively 9,45 and 9,79 unlike 10,18 in control that allows to conclude that the drug doe...

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This paper investigates the aggregation forms, sizes and composition of native gold present in the ore deposits and placers of the Amur province. The province corresponds to the zone of the Late Mesozoic collision of geoblocks of the South-Eastern framing of the Siberian craton, Amur composite massi...

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The article advances arguments for an active introduction of the logbook system in medical institutions. The main algorithm of the logbook committee establishment, its role in the work of a medical institution, its main functions and powers are briefly set forth. The article presents algorithms for...

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To the present day, many links in the pathogenesis of rheumatoid arthritis remain unclear, which leads to unsatisfactory results in its therapy.The aim. To study the cells involved in immune reactions and tryptophan metabolites in the joint capsule in rheumatoid arthritis.Materials and methods. The...

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With the in-depth development of Big Data and artificial intelligence, as well as the strengthening of the concept of green and low-carbon development, a new concept has emerged in the system of urban functioning — “green smart city”. Currently, the level of urbanization and urban development in Rus...

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The development of cheap and rapid breeding methods to breed  the lines used for  hybrid  F1  production  is a very actual task. The study was carried out with a use of radish varieties originated at VNIISSOK and breeding lines obtained by crossing components of different origin with male  sterility...

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On the background of the civilizational paradigm change, the analysis of the innovative industrial potential is one of the relevant areas of book culture study, which lies in the mainstream of interdisciplinary research. The purpose of this article is to identify the specifics of the innovative pote...

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The description of the geological structure and composition of Albyn gold ore deposit of Harginskyi ore and placer gold node of Amur province is shown. The ore bodies are shown to be located among the Late Paleozoic weakly metamorphosed formations, to have the shape of tabular deposits and to be con...

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The article deals with a new phenomenon for the legal science the legal response to the consequences of human behavior in the virtual space.The subject of the research is the relations arising in the process of such response.The aim of the study is to analyze the legal response to the consequences o...

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The article deals with a new phenomenon for the legal science – the institute of legal regulation of the genesis of digital identity.The subject of the research is the relations that emerge in the process of such regulation. The aim of the research is to analyze the legal regulation of the institute...

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Repellent activity of preparations «RolfClub 3D drops for dogs» and «RolfClub 3D drops for cats» applied against natural populations of bloodsucking dipterans intended for treatment of animals is studied. Both preparations contain correspondingly the following active agents: Fipronil 9,8 %, D-сifeno...

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The article concerns the problems of functioning the publishing and printing industry in Siberia and the Far East at the early XXI century: peculiarities of its infrastructure forming, entering the country’s printing services market, the place of a region in it. The paper objective is to represent t...

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The aim. To analyze the role of the spine adipose index (SAI) in predicting the risk of septic spondylodiscitis after lumbar percutaneous laser disk decompression (PLDD).Material and methods. A retrospective observational single-center study was performed. Various clinical and instrumental parameter...

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It was found that within the Priamurskaya prov-nce of Late Me-ozoic age the depos-ts and occurrences of gold-quartz are wide-pread, and goldsulphide-quartz, goldsilver and goldpolymetallic formations are less popular. They all are the main producers of gold ore and determine the metahogenic speciali...

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Dzhagdy-Selemdzinskaya metallogemc zone is shown to be the one of the most productive gold-bearing zones in Priamurskaya province. The placer and ore deposits mined in the area are estimated to be about 350 t of gold, including 293,811 of placer and 57,191 of ore deposits. Thirteen placer ore nodes...

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