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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Lopatin V. N., Shepelevich N. V., Prostakova I. V.
Заглавие : Modelling optical properties of organic-mineral complexes in water ecosystems
Место публикации : J. Phys. D. - 2005. - Vol. 38, Is. 15. - P.2556-2563. - ISSN 0022-3727, DOI 10.1088/0022-3727/38/15/005
Примечания : Cited References: 22
Предметные рубрики: SCANNING FLOW-CYTOMETRY
LIGHT-SCATTERING
STRATIFIED SPHERE
PARTICLES
INDEX
Ключевые слова (''Своб.индексиров.''): 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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Prishchepa O. O., Parshin A. M., Shabanov A. V., Zyryanov V. Ya.
Заглавие : Magneto-optical study of Friedericksz threshold in polymer dispersed nematic liquid crystals
Коллективы : International Topical Meeting on Optics of Liquid Crystals
Место публикации : Mol. Cryst. Liquid Cryst. - 2008. - Vol. 488, Is. 1. - P.309-316. - ISSN 1542-1406, DOI 10.1080/15421400802241167
Примечания : Cited Reference Count: 11
Предметные рубрики:
Ключевые слова (''Своб.индексиров.''): 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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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Parshin A.S., Kushchenkov S.A. , Alexandrova G.A.
Заглавие : Modelling of inelastic electron scattering cross section in layered nanostructures
Коллективы : "Physics of Electronic Materials", International Conference
Место публикации : 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
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Izotov A. V., Belyaev B. A., Leksikov An. A.
Заглавие : New approach in modelling magnetic micro-structure and magnetization reversal
Коллективы : Soft Magnetic Materials Conference
Место публикации : 19th Soft Magnetic Materials Conference: [7-9 sep. 2009, Torino, Italy] : abstracts. - Torino, 2009. - Ст.B2-11
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Popov A.K., Myslivets S.A.
Заглавие : Numerical Simulations of Negative-Index Nanocomposite and Back ward-Wave Photonic Microdevices
Коллективы : International Conference on Modelling and Simulations, World Academy of Science, Engineering and Technology
Место публикации : International Conference on Modelling and Si mulations, ICMS 2010: 22-25 Janiary 2010, Cape Town, South Africa: Proceeding. - 2010. - Vol. 61. - С. 107–121
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Миронов, Валерий Леонидович, Каравайский, Андрей Юрьевич, Лукин, Юрий Иванович
Заглавие : Применимость концепции незамерзшей воды при моделировании диэлектрической проницаемости мерзлых почв
Место публикации : Вестник СибГАУ. - 2013. - № 5. - С. 97-100
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.
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Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Fedorov A. S., Kovaleva E. A., Lubkova T. A., Popov Z. I., Kuzubov A. A., Visotin M. A., Irle S.
Заглавие : Molecular dynamical modelling of endohedral fullerenes formation in plasma
Коллективы : International Scientific Conference on Radiation-Thermal Effects and Processes in Inorganic Materials
Место публикации : 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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Popov, A. K., Myslivets S. A.
Заглавие : Second harmonic generation and pulse shaping in positively and negatively spatially dispersive nanowaveguides: comparative analysis
Коллективы : 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)
Место публикации : Opt. Quantum Electron.: Springer, 2016. - Vol. 48, Is. 2. - Ст.143. - ISSN 0306-8919, DOI 10.1007/s11082-016-0416-2. - ISSN 1572-817X(eISSN)
Примечания : 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.
Предметные рубрики: LEFT-HANDED METAMATERIALS
PARAMETRIC AMPLIFICATION
INDEX METAMATERIALS
Ключевые слова (''Своб.индексиров.''): 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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Wigneron J. -P., Jackson T. J., O'Neill P., De Lannoy G., de Rosnay P., Walker J. P., Ferrazzoli P., Mironov V. L., 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.
Заглавие : 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
Место публикации : Remote Sens. Environ.: Elsevier, 2017. - Vol. 192. - P.238-262. - ISSN 00344257 (ISSN), DOI 10.1016/j.rse.2017.01.024
Примечания : 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.
Ключевые слова (''Своб.индексиров.''): 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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10.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Koblischka M. R., Koblischka-Veneva A., Nouailhetas Q., Berger K., Douine B., Gokhfeld D. M.
Заглавие : Microstructural parameters for modelling of superconducting foams
Коллективы : International Workshop on Numerical Modelling of High Temperature Superconductors
Место публикации : 7th International workshop on numerical modeling of high temperature superconductors (HTS 2020): [Theses]. - 2021
Примечания : 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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