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  1. Article ; Online: 3D Active Brownian Motion of Single Dust Particles Induced by a Laser in a DC Glow Discharge.

    Svetlov, Anton S / Vasiliev, Mikhail M / Kononov, Evgeniy A / Petrov, Oleg F / Trukhachev, Fedor M

    Molecules (Basel, Switzerland)

    2023  Volume 28, Issue 4

    Abstract: The active Brownian motion of single dust particles of various types in the 3D electrostatic DC discharge trap under the action of laser radiation is studied experimentally. Spherical dust particles with a homogeneous surface, as well as Janus particles, ...

    Abstract The active Brownian motion of single dust particles of various types in the 3D electrostatic DC discharge trap under the action of laser radiation is studied experimentally. Spherical dust particles with a homogeneous surface, as well as Janus particles, are used in the experiment. The properties of the active Brownian motion of all types of dust particles are studied. In particular, the 3D analysis of trajectories of microparticles is carried out, well as an analysis of their root mean square displacement. The mean kinetic energy of motion of the dust particle of various types in a 3D trap is determined for different laser powers. Differences in the character of active Brownian motion in electrostatic traps with different spatial dimensions are found.
    MeSH term(s) Dust ; Motion ; Movement ; Lasers ; Light
    Chemical Substances Dust
    Language English
    Publishing date 2023-02-14
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1413402-0
    ISSN 1420-3049 ; 1431-5165 ; 1420-3049
    ISSN (online) 1420-3049
    ISSN 1431-5165 ; 1420-3049
    DOI 10.3390/molecules28041790
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  2. Article: Geochemical barriers for environment protection and recovery of nonferrous metals

    Chanturiya, Valentine / Masloboev, Vladimir / Makarov, Dmitriy / Nesterov, Dmitriy / Bajurova, Julia / Svetlov, Anton / Men'shikov, Yuriy

    Journal of environmental science and health. 2014 Oct. 15, v. 49, no. 12

    2014  

    Abstract: A study of natural minerals, ore tailings and their products as materials for artificial geochemical barriers is presented. In particular, it focuses on interaction between calcite and dolomite and sulfate solutions containing nickel, copper and iron ... ...

    Abstract A study of natural minerals, ore tailings and their products as materials for artificial geochemical barriers is presented. In particular, it focuses on interaction between calcite and dolomite and sulfate solutions containing nickel, copper and iron under static conditions. Calcite of −0.1 mm fraction has been shown to perform well as a barrier when added to water phases of tailing dumps and natural reservoirs. Experiments under dynamic conditions have revealed a high potential of thermally activated copper-nickel tailings as barriers. After a 500-day precipitating period on a geochemical barrier, the contents of nickel and copper in ore dressing tailings were found to increase 12- and 28-fold, respectively. An effective sorbent of copper, iron and nickel ions is a brucite-based product of hydrochloric acid treatment of vermiculite ore tailings. Its sorption capacity can be essentially increased through thermal activation.
    Keywords acid treatment ; calcite ; copper ; dolomite ; environmental health ; hydrochloric acid ; ions ; iron ; nickel ; sorption ; vermiculite
    Language English
    Dates of publication 2014-1015
    Size p. 1409-1415.
    Publishing place Taylor & Francis
    Document type Article
    ZDB-ID 196584-0
    ISSN 1532-4117 ; 0360-1226 ; 1077-1204 ; 1093-4529
    ISSN (online) 1532-4117
    ISSN 0360-1226 ; 1077-1204 ; 1093-4529
    DOI 10.1080/10934529.2014.928543
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  3. Article: Monitoring and physical-chemical modeling of conditions of natural surface and underground waters forming in the Kola North

    Mazukhina, Svetlana I / Masloboev, Vladimir A / Chudnenko, Konstantin V / Bychinsky, Valeriy A / Svetlov, Anton V / Muraviev, Sergey V

    Journal of environmental science and health. Part A. Toxic/ hazardous substances and environmental engineering. 2012 Apr. 1, v. 47, no. 5

    2012  

    Abstract: Processes of surface and underground water forming in the Khibiny massif have been studied using a physical-chemical model of the “water–rock–atmosphere–organic substance” system. The obtained model solutions are indicative of the fact that formation of ... ...

    Abstract Processes of surface and underground water forming in the Khibiny massif have been studied using a physical-chemical model of the “water–rock–atmosphere–organic substance” system. The obtained model solutions are indicative of the fact that formation of surface and underground water of the Khibiny massif takes place on the whole in the framework of the considered system without attracting a hypothetical outside source of pollutants. The results are of practical and methodological importance for assessment of prediction of the man-induced impact on water systems in conditions of Subarctic.
    Keywords models ; monitoring ; pollutants ; prediction ; Russia
    Language English
    Dates of publication 2012-0401
    Size p. 657-668.
    Publishing place Taylor & Francis Group
    Document type Article
    ZDB-ID 196584-0
    ISSN 1532-4117 ; 0360-1226 ; 1077-1204 ; 1093-4529
    ISSN (online) 1532-4117
    ISSN 0360-1226 ; 1077-1204 ; 1093-4529
    DOI 10.1080/10934529.2012.660037
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  4. Article ; Online: Geochemical barriers for environment protection and recovery of nonferrous metals.

    Chanturiya, Valentine / Masloboev, Vladimir / Makarov, Dmitriy / Nesterov, Dmitriy / Bajurova, Julia / Svetlov, Anton / Men'shikov, Yuriy

    Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering

    2014  Volume 49, Issue 12, Page(s) 1409–1415

    Abstract: A study of natural minerals, ore tailings and their products as materials for artificial geochemical barriers is presented. In particular, it focuses on interaction between calcite and dolomite and sulfate solutions containing nickel, copper and iron ... ...

    Abstract A study of natural minerals, ore tailings and their products as materials for artificial geochemical barriers is presented. In particular, it focuses on interaction between calcite and dolomite and sulfate solutions containing nickel, copper and iron under static conditions. Calcite of -0.1 mm fraction has been shown to perform well as a barrier when added to water phases of tailing dumps and natural reservoirs. Experiments under dynamic conditions have revealed a high potential of thermally activated copper-nickel tailings as barriers. After a 500-day precipitating period on a geochemical barrier, the contents of nickel and copper in ore dressing tailings were found to increase 12- and 28-fold, respectively. An effective sorbent of copper, iron and nickel ions is a brucite-based product of hydrochloric acid treatment of vermiculite ore tailings. Its sorption capacity can be essentially increased through thermal activation.
    MeSH term(s) Calcium Carbonate/analysis ; Conservation of Natural Resources ; Copper/analysis ; Earth Sciences ; Geologic Sediments/analysis ; Iron/analysis ; Magnesium/analysis ; Metals ; Mining ; Nickel/analysis ; Sulfates/analysis
    Chemical Substances Metals ; Sulfates ; Copper (789U1901C5) ; Nickel (7OV03QG267) ; Iron (E1UOL152H7) ; Calcium Carbonate (H0G9379FGK) ; Magnesium (I38ZP9992A) ; calcium magnesium carbonate (UG9H2002BF)
    Language English
    Publishing date 2014
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 196584-0
    ISSN 1532-4117 ; 0360-1226 ; 1077-1204 ; 1093-4529
    ISSN (online) 1532-4117
    ISSN 0360-1226 ; 1077-1204 ; 1093-4529
    DOI 10.1080/10934529.2014.928543
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  5. Article ; Online: Monitoring and physical-chemical modeling of conditions of natural surface and underground waters forming in the Kola North.

    Mazukhina, Svetlana I / Masloboev, Vladimir A / Chudnenko, Konstantin V / Bychinsky, Valeriy A / Svetlov, Anton V / Muraviev, Sergey V

    Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering

    2012  Volume 47, Issue 5, Page(s) 657–668

    Abstract: Processes of surface and underground water forming in the Khibiny massif have been studied using a physical-chemical model of the "water-rock-atmosphere-organic substance" system. The obtained model solutions are indicative of the fact that formation of ... ...

    Abstract Processes of surface and underground water forming in the Khibiny massif have been studied using a physical-chemical model of the "water-rock-atmosphere-organic substance" system. The obtained model solutions are indicative of the fact that formation of surface and underground water of the Khibiny massif takes place on the whole in the framework of the considered system without attracting a hypothetical outside source of pollutants. The results are of practical and methodological importance for assessment of prediction of the man-induced impact on water systems in conditions of Subarctic.
    MeSH term(s) Carbon/analysis ; Carbonates/analysis ; Environmental Monitoring ; Geological Phenomena ; Groundwater/analysis ; Halogens/analysis ; Metals/analysis ; Models, Chemical ; Oxides/analysis ; Quaternary Ammonium Compounds/analysis ; Rivers/chemistry ; Russia ; Sulfates/analysis
    Chemical Substances Carbonates ; Halogens ; Metals ; Oxides ; Quaternary Ammonium Compounds ; Sulfates ; Carbon (7440-44-0)
    Language English
    Publishing date 2012
    Publishing country England
    Document type Journal Article
    ZDB-ID 196584-0
    ISSN 1532-4117 ; 0360-1226 ; 1077-1204 ; 1093-4529
    ISSN (online) 1532-4117
    ISSN 0360-1226 ; 1077-1204 ; 1093-4529
    DOI 10.1080/10934529.2012.660037
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  6. Article: A numerical model of birch pollen emission and dispersion in the atmosphere. Model evaluation and sensitivity analysis

    Siljamo, Pilvi / Sofiev, Mikhail / Filatova, Elena / Grewling, Łukasz / Jäger, Siegfried / Khoreva, Ekaterina / Linkosalo, Tapio / Ortega Jimenez, Sara / Ranta, Hanna / Rantio-Lehtimäki, Auli / Svetlov, Anton / Veriankaite, Laura / Yakovleva, Ekaterina / Kukkonen, Jaakko

    International journal of biometeorology. 2013 Jan., v. 57, no. 1

    2013  

    Abstract: An evaluation of performance of the System for Integrated modeLling of Atmospheric coMposition (SILAM) in application to birch pollen dispersion is presented. The system is described in a companion paper whereas the current study evaluates the model ... ...

    Abstract An evaluation of performance of the System for Integrated modeLling of Atmospheric coMposition (SILAM) in application to birch pollen dispersion is presented. The system is described in a companion paper whereas the current study evaluates the model sensitivity to details of the pollen emission module parameterisation and to the meteorological input data. The most important parameters are highlighted. The reference year considered for the analysis is 2006. It is shown that the model is capable of predicting about two-thirds of allergenic alerts, with the odds ratio exceeding 12 for the best setup. Several other statistics corroborate with these estimations. Low-pollen concentration days are also predicted correctly in more than two-thirds of cases. The model experiences certain difficulties only with intermediate pollen concentrations. It is demonstrated that the most important input parameter is the near-surface temperature, the bias of which can easily jeopardise the results. The model sensitivity to random fluctuations of temperature is much lower. Other parameters important at various stages of pollen development, release, and dispersion are precipitation and ambient humidity, as well as wind direction.
    Keywords Betula ; allergenicity ; atmosphere ; atmospheric chemistry ; humidity ; mathematical models ; odds ratio ; pollen ; prediction ; temperature ; wind direction
    Language English
    Dates of publication 2013-01
    Size p. 125-136.
    Publishing place Springer-Verlag
    Document type Article
    ZDB-ID 127361-9
    ISSN 0067-8902 ; 0020-7128
    ISSN 0067-8902 ; 0020-7128
    DOI 10.1007/s00484-012-0539-5
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  7. Article ; Online: A numerical model of birch pollen emission and dispersion in the atmosphere. Model evaluation and sensitivity analysis.

    Siljamo, Pilvi / Sofiev, Mikhail / Filatova, Elena / Grewling, Łukasz / Jäger, Siegfried / Khoreva, Ekaterina / Linkosalo, Tapio / Ortega Jimenez, Sara / Ranta, Hanna / Rantio-Lehtimäki, Auli / Svetlov, Anton / Veriankaite, Laura / Yakovleva, Ekaterina / Kukkonen, Jaakko

    International journal of biometeorology

    2012  Volume 57, Issue 1, Page(s) 125–136

    Abstract: An evaluation of performance of the System for Integrated modeLling of Atmospheric coMposition (SILAM) in application to birch pollen dispersion is presented. The system is described in a companion paper whereas the current study evaluates the model ... ...

    Abstract An evaluation of performance of the System for Integrated modeLling of Atmospheric coMposition (SILAM) in application to birch pollen dispersion is presented. The system is described in a companion paper whereas the current study evaluates the model sensitivity to details of the pollen emission module parameterisation and to the meteorological input data. The most important parameters are highlighted. The reference year considered for the analysis is 2006. It is shown that the model is capable of predicting about two-thirds of allergenic alerts, with the odds ratio exceeding 12 for the best setup. Several other statistics corroborate with these estimations. Low-pollen concentration days are also predicted correctly in more than two-thirds of cases. The model experiences certain difficulties only with intermediate pollen concentrations. It is demonstrated that the most important input parameter is the near-surface temperature, the bias of which can easily jeopardise the results. The model sensitivity to random fluctuations of temperature is much lower. Other parameters important at various stages of pollen development, release, and dispersion are precipitation and ambient humidity, as well as wind direction.
    MeSH term(s) Atmosphere ; Betula ; Europe ; Flowers ; Models, Theoretical ; Pollen ; Weather
    Language English
    Publishing date 2012-03-22
    Publishing country United States
    Document type Evaluation Study ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 280324-0
    ISSN 1432-1254 ; 0020-7128
    ISSN (online) 1432-1254
    ISSN 0020-7128
    DOI 10.1007/s00484-012-0539-5
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