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Wyszukujesz frazę "Smirnov, D." wg kryterium: Autor

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    Wyświetlanie 1-11 z 11
    Tytuł:
    Investigation of Dust Transfer Processes During Loading and Unloading Operations Using Software Simulation
    Autorzy:
    Smirnov, Y. D.
    Ivanov, A. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/123999.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    bunker
    dust suppression
    ANSYS
    simulation
    ROCKY
    hopper
    Opis:
    In order to limit dust transfer during the operations of material transportation at the factories of the construction industry, factories of the mineral and raw materials complex employ special dust suppression bunkers. These devices are structures located above a railway hopper (either a truck body or a conveyor). Through the input portal of the device, the transported material is transferred. Dusting can also be carried out under the bunkers from the side of the hopper, into which the material is poured. The design of dust suppression bins should be accompanied by a simulation of dust propagation processes. The simulation should be carried out in order to minimize the dust emissions and to select the optimum locations for the dust suppression sprayers.
    Źródło:
    Journal of Ecological Engineering; 2018, 19, 4; 29-33
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of anthropogenic alluvial arrays on areas settlements depending on the particle size distribution of stored taillings
    Autorzy:
    Ivanova, A. V.
    Smirnov, Y. D.
    Powiązania:
    https://bibliotekanauki.pl/articles/124804.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    dust
    tailings
    dump
    humidity
    dust transfer
    dust suppression
    pulp
    Opis:
    Developing devices for dust suppression one should consider important factors, such as the size distribution of transferred dust, duration of exposure in residential areas. Often the total amount of dust emissions may exceed the estimated figure for maximum permissible emissions, but their share transferred in sanitary protection zone of dust is negligible. Tailing dump of Kovdor MPE is one of the largest in Russia. The construction of dust dispersion halos was performed using a universal program calculation of air pollution “Ecolog” (Russia). Based on a comparison of dispersed compositions tails similar in composition tailing dumps in Russia, it can be concluded that in the beach area of the Kovdor dump share of dust tranfered to the territory of settlements has ranged from 10 to 40%. It was found that the maximum diameter of the particles carried by the territory of the city under consideration is 50 microns. We can conclude that under the conditions of the object the development of special devices for dust suppression is required.
    Źródło:
    Journal of Ecological Engineering; 2016, 17, 2; 59-63
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of a GaN-Based SAW Oscillator with respect to UV Illumination and Temperature
    Autorzy:
    Miškinis, R.
    Jokubauskis, D.
    Urba, E.
    Smirnov, D.
    Gaidamovičiūtė, L.
    Mikalauskas, K.
    Sereika, A.
    Rimeika, R.
    Čiplys, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1383507.pdf
    Data publikacji:
    2015-01
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    43.35.+d
    Opis:
    Oscillation frequency of a GaN-based surface acoustic wave delay-line oscillator is investigated in the temperature range from -20°C to +38°C, with and without UV illumination. The results imply that such an oscillator may be used for temperature sensing with the resolution of up to 1 mK. On the other hand, as the frequency downshift due to UV illumination does not exhibit a significant dependence on temperature, it may be expected that such a system, when used as a UV sensor, would not require applying a correction for temperature.
    Źródło:
    Acta Physica Polonica A; 2015, 127, 1; 90-92
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of Waste Properties of Subway Construction as a Potential Component of Soil Layer
    Autorzy:
    Ivanov, A. V.
    Smirnov, Y. D.
    Petrov, G. I.
    Powiązania:
    https://bibliotekanauki.pl/articles/124091.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    subway
    waste
    soil
    landfill
    mine site
    hazard class
    total carbon
    moisture
    biotesting
    Chlorella algae
    Opis:
    The construction of subway stations is inevitably accompanied by the formation of a large amount of waste that is extracted from the underground workings by rock. When the waste is transported, the air is polluted with the exhaust gases of the dump trucks, some of the waste can stay on the road surface, the use of dump trucks increases the load on the roadway, the disposal of waste at landfills harms the environment, and enterprises pay fees for the transportation as well as placement of the waste. The article deals with the waste from the construction of new stations in the Saint-Petersburg subway. In order to determine the possibility of using waste in the municipal economy, a comprehensive analysis of this waste was carried out, including determination of moisture content, acidity, total carbon content, as well as chemical and granulometric composition. On the basis of the study results, it was established that the waste in question belongs to the hazard class 5, which enables to use it as a component of the soil mixture. Afterwards, the hazard class 5 was confirmed by the method of bioassay based on the determination of water toxicity by changing the optical density of the Chlorella algae culture.
    Źródło:
    Journal of Ecological Engineering; 2018, 19, 5; 59-69
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Use of Biological Adhesive for Effective Dust Suppression in Mining Operations
    Autorzy:
    Danilov, A. S.
    Smirnov, Y. D.
    Pashkevich, M. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/123245.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    land reclamation
    dust
    biological adhesive
    biofoam
    technogenic structures
    Opis:
    This article explores modern methods of reclamation of lands disturbed processes of mining, based on monitoring disturbed lands using unmanned aircraft and dusty surfaces coated biologically active adhesive, biological foam. In the article new highly efficint methods of remote monitoring of environment components are considered on based of unmanned aircrafts. For monitoring, it is suggested to draw complexes based of small unmanned aircraft vehicle, equipped with special equipment (a digital camera, a thermal imaging camera, dust meter). Land reclamation on the biological stage is encouraged by using new bioadhesives, developed on the basis of polysaccharides and various microorganisms. This composition helps reduce the consumption of fertilizers, pesticides and other components, pioneer in growing crops on dusty surfaces in the disturbed lands. As a result of such an event, dust discharge from the surface technogenic structures is reduced up to 10 times.
    Źródło:
    Journal of Ecological Engineering; 2015, 16, 5; 9-14
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Issues of the Impact of Granulated Sulfur Transportation on the Environmental Components
    Autorzy:
    Ivanov, Andrey V.
    Smirnov, Yuriy D.
    Lisay, Viktoria V.
    Borowski, Gabriel
    Powiązania:
    https://bibliotekanauki.pl/articles/24201741.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    granulated sulphur
    dust suppression
    transportation
    sulphur dioxide
    spillage
    ignition
    Opis:
    Nowadays, sulfur is considered one of the primary resources of the chemical industry, most of which is produced as a refinery by-product during the processing of oil and natural gas. Sulfur production volumes are increasing every year, while the demand for it does not always match the growing supply, which leads to a serious problem of sulfur surplus in the world market. Granulated sulfur – the main commercial type of elemental sulfur – is transported in large quantities both by land and sea and can have a negative impact on the environment. At the moment, the issue of the negative impact of granulated sulfur on the environment has not been fully studied, which determines the relevance of this research. This review article presents the global market of granulated sulfur, paying attention to its safe transport – from the producer to the consumer. The potentially harmful factors of the impact of sulfur handling on elements of the natural environment, such as atmospheric air, water reservoirs, soil and vegetation, were also taken into account.
    Źródło:
    Journal of Ecological Engineering; 2023, 24, 6; 86--97
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effective Methods for Reclamation of Area Sources of Dust Emission
    Autorzy:
    Danilov, A.
    Smirnov, Y.
    Korelskiy, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/123609.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    reclamation
    bioremediation
    dust emissions
    technogenic massif
    Opis:
    This article presents the results of the Shared equipment Center’s work in the field of developing new methods for reclamation of dumps and waste storage sites, including methods for restoring the bioproductivity of clay soils, increasing the fertility of low-fertility soils, or potentially fertile soils, while increasing the protection of reclaimed lands from wind erosion.
    Źródło:
    Journal of Ecological Engineering; 2017, 18, 5; 1-7
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Basic Characteristics for Estimation Polynitrogen Compounds Effciency
    Autorzy:
    Smirnov, A.
    Lempert, D.
    Pivina, T.
    Khakimov, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/358464.pdf
    Data publikacji:
    2011
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    polynitrogen compounds
    oxidizers
    hypothetic nitrogen allotropes
    enthalpy of formation
    density
    detonation parameters
    sensitivity
    Opis:
    Basing on analysis of experimental data for physicochemical parameters of 300 energetic compounds from different chemical classes, a set of basic characteristics (enthalpies of formation, molecular crystals densities, detonation parameters, as well as sensitivity to different kinds of impact) has been considered and some calculations schemes have been elaborated to estimate these characteristics for polynitrogen compounds. The limits of physicochemical values for energetic materials (EMs) parameters have been estimated. A large set of compounds has been investigated and some of them seem to be rather effective as explosives or monopropellants. There are about ten powerful compounds (e.g. octanitrocubane, hexanitrohexaazaisowurtzitane, azanitrofurazan, etc.), explosives- oxidizers (such as ammonium dinitroamide and bis(difuroamine-dini troethil) nitroamine) and several hypothetic substances (not synthesized yet), such as octaazacubane, octaazatetraen, tetranitrotetraazacubane etc. Energetic properties were estimated as for individual compounds, as well as for energetic compositions containing these substances together with other ones in the aim to estimate the effectiveness of their use as components of solid composite propellants.
    Źródło:
    Central European Journal of Energetic Materials; 2011, 8, 4; 233-247
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pu(IV) and Fe(III) accumulation ability of heavy metal-tolerant soil fungi
    Autorzy:
    Levinskaite, L.
    Smirnov, A.
    Lukšiene, B.
    Druteikiene, R.
    Remeikis, V.
    Baltrunas, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/148158.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    fungi
    Pu(IV) electrodeposition
    heavy metals
    metal tolerance
    Opis:
    The work was aimed at studying abilities of soil microorganisms to participate in metal/radionuclide mobility processes by accumulating them. Soil microorganisms were treated with a mixture of heavy metals (Cr(III), Ni, Fe(III), Mn(II), Cd) in order to isolate the most tolerant ones. Among more metal-tolerant microorganisms microscopic fungi dominated. Tests of fungal tolerance towards each metal showed that the most tolerant fungi to almost all metals were Aspergillus niger, Penicillium oxalicum and Paecilomyces lilacinus. Accumulation ability of metal-tolerant fungi was tested using Pu(IV) and Fe(III). Investigation of Pu accumulation by fungal biomass showed that all the fungi accumulated Pu, and among the most effective radionuclide accumulators Eupenicillium sp., Penicillium oxalicum and Aspergillus niger could be mentioned. All the fungi showed high Fe-accumulation capacity. While growing in the medium with 1 mM iron, most fungi accumulated over 90% of Fe in their biomass. Very good accumulation and growth abilities in Fe-supplemented medium were demonstrated by Paecilomyces lilacinus.
    Źródło:
    Nukleonika; 2009, 54, 4; 285-290
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bioresistant building composites on the basis of glass wastes
    Odporne biologicznie kompozyty budowlane na bazie odpadów szklanych
    Autorzy:
    Erofeev, V. T.
    Bogatov, A. D.
    Smirnov, V. F.
    Bogatova, S. N.
    Kaznacheev, S. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/258197.pdf
    Data publikacji:
    2013
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Technologii Eksploatacji - Państwowy Instytut Badawczy
    Tematy:
    broken glass
    binding mortars
    concretes
    bioresistance
    stłuczka szklana
    beton
    bioodporność
    zaprawa wiążąca
    Opis:
    The article presents the production technology of binding and building composite materials on the basis of glass wastes. Compositions of mortar mixes, heavy and light concretes are developed and optimized. It is proved that given materials are bioresistant in conditions, influenced by microscopic organisms.
    W artykule zaprezentowano technologię produkcji budowlanych materiałów kompozytowych wytwarzanych z wykorzystaniem odpadów szklanych. Kompozycja zapraw, ciężkich i lekkich betonów została opracowana i zoptymalizowana. Wykazano, że uzyskiwane materiały są bioodporne w warunkach oddziaływania mikroorganizmów.
    Źródło:
    Problemy Eksploatacji; 2013, 2; 39-44
    1232-9312
    Pojawia się w:
    Problemy Eksploatacji
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dynamics of Hotspot Formation in Nanostructured Superconducting Stripes Excited with Single Photons
    Autorzy:
    Jukna, A.
    Kitaygorsky, J.
    Pan, D.
    Cross, A.
    Perlman, A.
    Komissarov, I.
    Sobolewski, R.
    Okunev, O.
    Smirnov, K.
    Korneev, A.
    Chulkova, G.
    Milostnaya, I.
    Voronov, B.
    Gol'tsman, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1813380.pdf
    Data publikacji:
    2008-03
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    74.25.Fy
    74.25.Sv
    74.45.+c
    Opis:
    Dynamics of a resistive hotspot formation by near-infrared-wavelength single photons in nanowire-type superconducting NbN stripes was investigated. Numerical simulations of ultrafast thermalization of photon-excited nonequilibrium quasiparticles, their multiplication and out-diffusion from a site of the photon absorption demonstrate that 1.55 μm wavelength photons create in an ultrathin, two-dimensional superconducting film a resistive hotspot with the diameter which depends on the photon energy, and the nanowire temperature and biasing conditions. Our hotspot model indicates that under the subcritical current bias of the 2D stripe, the electric field penetrates the superconductor at the hotspot boundary, leading to suppression of the stripe superconducting properties and accelerated development of a voltage transient across the stripe.
    Źródło:
    Acta Physica Polonica A; 2008, 113, 3; 955-958
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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