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Lopatin, V. N.
Modelling optical properties of organic-mineral complexes in water ecosystems / V. N. Lopatin, N. V. Shepelevich, I. V. Prostakova // J. Phys. D. - 2005. - Vol. 38, Is. 15. - P. 2556-2563, DOI 10.1088/0022-3727/38/15/005. - Cited References: 22 . - ISSN 0022-3727

РУБ Physics, Applied
Рубрики:
SCANNING FLOW-CYTOMETRY
   LIGHT-SCATTERING
   STRATIFIED SPHERE
   PARTICLES
   INDEX
Кл.слова (ненормированные):
Approximation theory -- Ecosystems -- Inverse problems -- Light scattering -- Mathematical models -- Refractive index -- Suspensions (fluids) -- Water -- Generalization -- Integral light scattering indicatrix -- Organic-mineral complexes -- Spherical particles -- Complexation
Аннотация: Characteristics of organic-mineral complexes have been theoretically and experimentally studied in the paper, based on the method of integral light scattering indicatrix. Modelling of optical properties was realized using models of the coated spherical particles with a shell which is constant and changeable in the refractive index profile. General regularities have been revealed and generalized parameters for the method of integral light scattering indicatrix have been suggested.

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Держатели документа:
Res Inst Ecol Fish Breeding & Terraneous Biosyst, Krasnoyarsk 660017, Russia
Russian Acad Sci, Siberian Div, Inst Computat Modeling, Krasnoyarsk 660036, Russia
ИВМ СО РАН
Research Institute of Ecology of Fish-Breeding and Terraneous Biosystems, Krasnoyarsk, 66017, Russian Federation
Institute of Computational Modeling, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Shepelevich, N. V.; Prostakova, I. V.
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Magneto-optical study of Friedericksz threshold in polymer dispersed nematic liquid crystals / O. O. Prishchepa [et al.] // Mol. Cryst. Liquid Cryst. - 2008. - Vol. 488, Is. 1. - P. 309-316, DOI 10.1080/15421400802241167. - Cited Reference Count: 11 . - ISSN 1542-1406
Рубрики:

Кл.слова (ненормированные):
Friedericksz threshold -- nematic -- magneto-optics -- polymer dispersed liquid crystals -- surface anchoring -- Friedericksz threshold -- Magneto-optics -- Nematic -- Polymer dispersed liquid crystals -- Surface anchoring -- Computer systems -- Crystallography -- Drop formation -- Drops -- Fluid mechanics -- Light sources -- Liquid crystals -- Magnetos -- Optical engineering -- Powders -- Approximate formulas -- Calculation data -- Computer modelling -- Friedericksz threshold -- Magneto-optical -- Magneto-optics -- Measured values -- Nematic -- Nematic droplets -- Poly vinyl butyral -- Polymer dispersed liquid crystals -- Reorientation processes -- Surface anchoring -- Threshold fields -- Nematic liquid crystals
Аннотация: A computer model of reorientation processes in the bipolar nematic droplets of ellipsoidal form with strong tangential anchoring has been developed. The approximate formula to estimate the Friedericksz threshold has been obtained when the operating field (electric or magnetic) is orthogonal to the bipolar axis. The dependence of the threshold field on the droplet form has been considered. The reorientation of the bipolar droplets of 5CB nematic liquid crystal dispersed in polyvinylbutyral has been studied by the magneto-optical method. The calculation data are in good agreement with measured values of the threshold field.

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Держатели документа:
Siberian Fed Univ, SB RAS, LV Kirensky Phys Inst, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Prishchepa, O. O.; Parshin, A. M.; Паршин, Александр Михайлович; Shabanov, A. V.; Шабанов, Александр Васильевич; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; International Topical Meeting on Optics of Liquid Crystals(12th ; OCT 01-05, 2007 ; Puebla, MEXICO)
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Modelling of inelastic electron scattering cross section in layered nanostructures [Text] / Parshin A.S.,, Kushchenkov S.A., Alexandrova G.A. // Physics of Electronic Materials : 3rd International Conference Proceedings : Kaluga, Russia, Oktober 1-4, 2008 / ed. K.G. Nikiforov. - Kaluga : KSPU Press, 2008. - Vol. 1. - p. 231

Доп.точки доступа:
Parshin, A.S.; Kushchenkov, S.A. ; Alexandrova, G.A. ; "Physics of Electronic Materials", International Conference(3 ; 2008 : Oct. ; Kaluga)
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New approach in modelling magnetic micro-structure and magnetization reversal / A. V. Izotov, B. A. Belyaev, An. Leksikov // 19th Soft Magnetic Materials Conference : [7-9 sep. 2009, Torino, Italy] : abstracts. - Torino, 2009. - Ст. B2-11

Доп.точки доступа:
Izotov, A. V.; Изотов, Андрей Викторович; Belyaev, B. A.; Беляев, Борис Афанасьевич; Leksikov, An. A.; Лексиков, Андрей Александрович; Soft Magnetic Materials Conference(19 ; 2009 ; SEP ; Torino, Italy)
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Numerical Simulations of Negative-Index Nanocomposite and Back ward-Wave Photonic Microdevices / A. K. Popov, S. A. Myslivets // International Conference on Modelling and Si mulations, ICMS 2010 : 22-25 Janiary 2010, Cape Town, South Africa: Proceeding. - 2010. - Vol. 61. - P107–121

Доп.точки доступа:
Popov, A.K.; Myslivets, S.A.; International Conference on Modelling and Simulations(2010 ; Jan. ; Cape Town, South Africa); World Academy of Science, Engineering and Technology
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    Миронов, Валерий Леонидович.
    Применимость концепции незамерзшей воды при моделировании диэлектрической проницаемости мерзлых почв / В. Л. Миронов, А. Ю. Каравайский, Ю. И. Лукин // Вестник СибГАУ. - 2013. - № 5. - С. 97-100
   Перевод заглавия: The applicability of unfrozen water сonception for modelling of dielectric permittivity of frozen soils
Аннотация: На основе измерений спектров комплексной диэлектрической проницаемости (КДП) влажной почвы показано, что применение модели Добсона-Жанга. в мерзлой почве дает погрешности до 100 %. Показано, что такая существенная ошибка возникает за счет присутствия в почве различных типов незамерзшей воды.

Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Каравайский, Андрей Юрьевич; Karavaisky, A. Yu.; Лукин, Юрий Иванович; Lukin, Y. I.; Mironov, V. L.
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Molecular dynamical modelling of endohedral fullerenes formation in plasma / A. S. Fedorov [et al.] // IOP Conf. Ser.: Mater. Sci. Eng. - 2016. - Vol. 110, Is. 1, DOI 10.1088/1757-899X/110/1/012078
Аннотация: The initial stages of fullerene and endohedral metallofullerene (EMF) synthesis in carbon-helium plasma at 1500 K and 2500 K have been simulated with quantum chemical molecular dynamics (MD) based on density-functional tight-binding (DFTB). The cases of formation of large (>100 atoms) sp2-carbon clusters with scandium atoms inside were observed. These clusters are considered as precursors of fullerenes or EMFs, and thus it is shown that formation of EMFs can be explained within the framework of »shrinking hot giant« mechanism. Also, the dependence of formation rates on plasma parameters, including temperature, buffer gas and metal atoms concentrations, has been studied.

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Доп.точки доступа:
Fedorov, A. S.; Федоров, Александр Семенович; Kovaleva, E. A.; Lubkova, T. A.; Popov, Z. I.; Попов, Захар Иванович; Kuzubov, A. A.; Кузубов, Александр Александрович; Visotin, M. A.; Irle, S.; International Scientific Conference on Radiation-Thermal Effects and Processes in Inorganic Materials(11 ; 31 Aug. - 10 Sept. 2015)
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Popov, A. K..
Second harmonic generation and pulse shaping in positively and negatively spatially dispersive nanowaveguides: comparative analysis / A. K. Popov, S. A. Myslivets // Opt. Quantum Electron. - 2016. - Vol. 48, Is. 2. - Ст. 143, DOI 10.1007/s11082-016-0416-2. - Cited References:18. - This material is based upon work supported in part by the U. S. Army Research Laboratory and the U. S. Army Research Office under grant number W911NF-14-1-0619, by the National Science Foundation under grant number ECCS-1346547 and by the Russian Foundation for Basic Research under grant RFBR 15-02-03959A. We thank I. S. Nefedov, A. E. Boltasseva and V. M. Shalaev for inspiring inputs. . - ISSN 0306-8919. - ISSN 1572-817X

РУБ Engineering, Electrical & Electronic + Optics
Рубрики:
LEFT-HANDED METAMATERIALS
PARAMETRIC AMPLIFICATION
INDEX METAMATERIALS
Кл.слова (ненормированные):
Metamaterials -- Nonlinear optics -- Backward electromagnetic waves
Аннотация: Comparative analysis of second harmonic generation in ordinary and backward-wave settings is presented. Extraordinary properties of frequency doubling nonlinear optical reflectivity and pulse shaping through phase matching of ordinary and backward electromagnetic waves in the nanowaveguides with mixed negative/positive spatial dispersion is demonstrated with numerical simulations.

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Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; U. S. Army Research Laboratory; U. S. Army Research Office [W911NF-14-1-0619]; National Science Foundation [ECCS-1346547]; Russian Foundation for Basic Research [RFBR 15-02-03959A]; Optical wave and waveguide theory and numerical modelling workshop (23th ; Apr. 17 - Apr. 18, 2015 ; London, England)
}
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    Modelling the passive microwave signature from land surfaces: A review of recent results and application to the L-band SMOS & SMAP soil moisture retrieval algorithms / J. -P. Wigneron [et al.] // Remote Sens. Environ. - 2017. - Vol. 192. - P. 238-262, DOI 10.1016/j.rse.2017.01.024. - Cited References: 187. - This research work was funded by CNES (Centre National d'Etudes Spatiales) through the Science TOSCA (Terre Océan Surfaces Continentales et Atmosphère) program. The authors wish to thank the three anonymous reviewers for their helpful comments and Sylvie Renaud (IMS) for fruitful discusions. . - ISSN 0034-4257
   Перевод заглавия: Моделирование пассивного микроволнового излучения с наземных поверхностей: обзор последних результатов и применение к алгоритмам восстановления влажности почвы космическими аппаратами SMOS и SMAP в L-диапазоне
Кл.слова (ненормированные):
Atmospheric temperature -- Climate models -- Moisture -- Moisture control -- Scanning antennas -- Soils -- Vegetation -- Experimental campaign -- Microwave brightness temperature -- Passive microwave signatures -- Semiempirical models -- Soil moisture retrievals -- Surface soil moisture -- Surface temperatures -- System configurations -- Soil moisture
Аннотация: Two passive microwave missions are currently operating at L-band to monitor surface soil moisture (SM) over continental surfaces. The SMOS sensor, based on an innovative interferometric technology enabling multi-angular signatures of surfaces to be measured, was launched in November 2009. The SMAP sensor, based on a large mesh reflector 6 m in diameter providing a conically scanning antenna beam with a surface incidence angle of 40°, was launched in January of 2015. Over the last decade, an intense scientific activity has focused on the development of the SM retrieval algorithms for the two missions. This activity has relied on many field (mainly tower-based) and airborne experimental campaigns, and since 2010–2011, on the SMOS and Aquarius space-borne L-band observations. It has relied too on the use of numerical, physical and semi-empirical models to simulate the microwave brightness temperature of natural scenes for a variety of scenarios in terms of system configurations (polarization, incidence angle) and soil, vegetation and climate conditions. Key components of the inversion models have been evaluated and new parameterizations of the effects of the surface temperature, soil roughness, soil permittivity, and vegetation extinction and scattering have been developed. Among others, global maps of select radiative transfer parameters have been estimated very recently. Based on this intense activity, improvements of the SMOS and SMAP SM inversion algorithms have been proposed. Some of them have already been implemented, whereas others are currently being investigated. In this paper, we present a review of the significant progress which has been made over the last decade in this field of research with a focus on L-band, and a discussion on possible applications to the SMOS and SMAP soil moisture retrieval approaches. © 2017 Elsevier Inc.

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Держатели документа:
ISPA, INRA Bordeaux, France
USDA, Beltsville, MD, United States
NASA/GSFC, Greenbelt, MD, United States
KULeuven, Heverlee, Belgium
ECMWF, Reading, United Kingdom
Monash University, Australia
University of Rome Tor Vergata, Italy
Kirenski Institute, Krasnoyarsk, Russian Federation
CESBIO, Universite de Toulouse, CNES/CNRS/IRD/UPS, Toulouse, France
Netherlands Space Office (NSO), The Hague, Netherlands
Mississippi State University, MS, United States
Gamma Remote Sensing and WSL-Birmensdorf, Switzerland
NASA/JPL, Pasadena, CA, United States
CARTEL, University of Sherbrooke, Canada
ESA ESRIN, Roma, Italy

Доп.точки доступа:
Wigneron, J. -P.; Jackson, T. J.; O'Neill, P.; De Lannoy, G.; de Rosnay, P.; Walker, J. P.; Ferrazzoli, P.; Mironov, V. L.; Миронов, Валерий Леонидович; Bircher, S.; Grant, J. P.; Kurum, M.; Schwank, M.; Munoz-Sabater, J.; Das, N.; Royer, A.; Al-Yaari, A.; Al Bitar, A.; Fernandez-Moran, R.; Lawrence, H.; Mialon, A.; Parrens, M.; Richaume, P.; Delwart, S.; Kerr, Y.
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10.

Microstructural parameters for modelling of superconducting foams / M. R. Koblischka, A. Koblischka-Veneva, Q. Nouailhetas [et al.] // 7th International workshop on numerical modeling of high temperature superconductors (HTS 2020) : [Theses]. - 2021. - Cited References: 9
Аннотация: Modelling the mechanical and superconducting properties of superconducting, open-cell foam samples requires a proper description of their speciﬁc microstructure. For this purpose, foam samples are investigated using optical microscopy, SEM and x-ray tomography, enabling to identify the parameters important for modelling.

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Доп.точки доступа:
Koblischka, M. R.; Koblischka-Veneva, A.; Nouailhetas, Q.; Berger, K.; Douine, B.; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; International Workshop on Numerical Modelling of High Temperature Superconductors(7 ; 2021 ; June ; 22-23 ; Nancy, France (virtual))
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