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201. Abstract
... Stroboscopic Pulse Method of Nonlinear Parameters Measurements . ... The method is based on application of ultrasonic pulses and low frequency vibration to the sample. The high frequency ultrasonic pulse time of flight is measured in different phases of the low frequency vibration. ... The experiment was conducted in a sandstone bar with the ultrasonic pulse, frequency 6 MHz, propagating across the bar and the low-frequency vibration excited along the bar. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/StroboscopicPulseMethodofNonlinearParametersMeasurements.htm -- 6.7 Кб -- 10.07.2002
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202. Abstract
... Stress-Dependent Complementary Variations in P- and S-Wave Velocities for Rocks Containing High-Compliance Porosity: an Effective-Medium Model and Comparison with Experiments . ... A 3D effective-medium model describing variation in rock elastic moduli due to presence of high-compliant defects is considered. ... The ratio of the normal-to-shear compliance of the defects was determined for different rock samples. The results confirmed that, in saturated rocks, defect’s shear compliance dominates. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/StressDependentComplementaryVariationsinPandSWaveVelocitiesforRocksContainingHighCompliancePorosityanEffectiveMediumModelandComparisonwithExperiments.htm -- 7.5 Кб -- 10.07.2002
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203. AUTHOR : Stoll C
. AUTHOR : Stoll C. 1. ааа Use of Ultrasound in Waste Water Treatment . O.V.Abramov, V.M.Kuznetsov (Institute of General and Inorganic Chemistry of RAS, Moscow, Russia); C.Stoll (KACU, Germany) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/StollC.htm -- 5.7 Кб -- 10.07.2002
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204. Abstract
... Splitting Up of Multistable Solitons in Solids . ... The strongly nonlinear particle-like waves described by an equation with cubic nonlinearity and anomalous dispersion are studied. Such waves possess some properties which distinguish them from the classical solitons. ... 1, 2] Results of experimental data on propagation and interaction of nonlinear transverse waves in a thin rubber belt are given [A.I. Potapov, A.I. Vesnitsky, Interaction of solitary waves under head on collisions. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SplittingUpofMultistableSolitonsinSolids.htm -- 7.0 Кб -- 10.07.2002
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205. AUTHOR : Stoessel R
. AUTHOR : Stoessel R. 1. ааа Defect-Selective Imaging by Nonlinear Air-Coupled Ultrasound . R.Stoessel, H.Pfaff, N.Krohn, G.Busse (University of Stuttgart, Institute for Polymer Testing and Polymer Science (IKP), Non-Destructive Testing (ZFP), Stuttgart, Germany) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/StoesselR.htm -- 5.8 Кб -- 10.07.2002
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206. AUTHOR : Statnikov E
. AUTHOR : Statnikov E. 1. ааа Comparative Study of Effects of Power Ultrasonic Impact Treatment (UIT) and Other Fatigue Life Improvement Methods for Welded Joints in High Strength Steel and Aluminium Alloys . E.Statnikov, V.O.Muktepavel (Northern Scientific & Technology Company, Severodvinsk, Russia); P.J.Haagensen (Norwegian University of Science and Technology, NTNU, Norway); L.Lopez-Martinez (Swedish Steel AB (currently with TWI, UK)) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/StatnikovE.htm -- 6.0 Кб -- 10.07.2002
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207. Abstract
... Spontaneous Pattern Formation in an Acoustical Resonator . ... The problem of spontaneous emergence of patterns in the transverse section of an acoustical interferometer is studied from the theoretical point of view. ... It is shown that the subharmonic field can be excited, when a threshold pump value is reached, and presents a non-uniform distribution in the transverse plane, or pattern. ... Traditionally, patterns arise from the imposition of external constraints (waveguiding). ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SpontaneousPatternFormationinanAcousticalResonator.htm -- 7.0 Кб -- 10.07.2002
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208. Abstract
... Statistical Model for Meteorolocal Elements Based on Local Radiosonde Measurements . ... The model is based on the 3-year local radiosonde measurements for the most important for practice strong winds for which the altitude level of the maximum wind is highly expressed. Vertical profiles of meteorological elements measured under quite different atmospheric conditions exhibit qualitative similarity, but differ by the reference scales of wind, temperature and altitudes. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/StatisticalModelforMeteorolocalElementsBasedonLocalRadiosondeMeasurements.htm -- 7.2 Кб -- 10.07.2002
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209. AUTHOR : Soustova I
AUTHOR : Soustova I. A. 1. ааа The Influence of a Strong Acoustic CW Wave on Week Resonances in Rock . I.A.Soustova (Department of Hydrophysics and Hydroacoustic, Institute of Applied Physics Russian Academy of Sciences, Nizhny Novgorod, Russia) . ... L.A.Ostrovsky (ZelTechnology/NOAA ETL and Institute of Applied Physics, Boulder, Colorado, USA); Yu.A.Kobelev, I.A.Soustova (Institute of Applied Physics, Nizhny Novgorod, Russia) . ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SoustovaIA.htm -- 6.6 Кб -- 10.07.2002
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210. AUTHOR : Sophocleous C
. AUTHOR : Sophocleous C. 1. ааа Invariants for Generalised Burgers Equations . C.Sophocleous (Department of Mathematics and Statistics, University of Cyprus, Nicosia, Cyprus ); N.H.Ibragimov (Research Centre ALGA: Advances in Lie Group Analysis, Department of Health, Science and Mathematics, Blekinge Institute of Technology, Karlskrona, Sweden) . 2. ааа Noether and Master Symmetries for the Toda Lattice . P.Damianou, C.Sophocleous (University of Cyprus, Nicosia, Cyprus) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SophocleousC.htm -- 6.5 Кб -- 10.07.2002
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211. Abstract (Invited)
... Sound and Pseudosound Generation in Turbulent Boundary Layer . ... Pressure fluctuations that occure in a turbulent boundary layer ( TBL )as a result of the nonlinear interactions between the eddy field components are the object of many theoretical and experimental studies.At the same time,the mechanism of the linear transformation of vortex waves to longitudinal ones on a rigid or elastic wall in ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SoundandPseudosoundGenerationinTurbulentBoundaryLayer.htm -- 6.4 Кб -- 10.07.2002
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212. AUTHOR : Sosedko E
. AUTHOR : Sosedko E. V. 1. Nonlinear Transient Bubble Oscillations . A.Maksimov, E.V.Sosedko (Il'ichev Pacific Oceanological Institute, Far East Branch of Russian Academy of Sciences, Vladivostok, Russia); T.G.Leighton (Institute of Sound and Vibration Research, University of Southampton, Highfield, Southampton, United Kingdom) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/Sosedko%20EV.htm -- 5.9 Кб -- 10.07.2002
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213. Abstract
... Spatial Evolution of Velocity in the Cylindrical Resonator . ... This paper deals with the theoretical description of standing waves in a cylindrical piston driven fluid-filled resonator with the constant cross-section. The presented theoretical model is derived in the second-order nonlinear theory. ... The spatial and the time evolutions of velocity obtained from the numerical solution are presented, limits of validity of the introduced model are discussed here. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SpatialEvolutionofVelocityintheCylindricalResonator.htm -- 7.0 Кб -- 10.07.2002
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214. Abstract (Invited)
... When an acoustic wave of moderate pressure amplitude is propagated through an aqueous liquid, light emissions can be observed. ... The discovery that a single, stable gas bubble, acoustically levitated in a liquid, can emit optical emissions each cycle for an unlimited period of time stimulated considerable interest in this topic. ... If shock waves are the mechanism for SL emission, then optimization of the process has been speculated to lead to extraordinary physics, including nuclear fusion. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SonoluminescenceandSonofusion.htm -- 7.0 Кб -- 10.07.2002
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215. AUTHOR : Solodov I
... W.Arthur, B.O'Neill, R.Maev (Department of Physics, University of Windsor, Windsor, Canada); I.Solodov (Department of Acoustics, Faculty of Physics, Moscow State University, Moscow, Russia) . ... E.M.Ballad, B.A.Korshak, I.Yu.Solodov (Department of Acoustics, Faculty of Physics, Moscow State University, Moscow, Russia); N.Krohn, G.Busse (Institute for Polymer Testing and Polymer Science (IKP), Nondestructive Testing (ZFP), University of Stuttgart, Stuttgart, Germany) . ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SolodovI.htm -- 8.4 Кб -- 10.07.2002
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216. Abstract
... Soliton Transform as a Tool to Retrieve Nonlinear Component of a Signal . ... Method to detect solitons and determine their parameters and propagation velocity, based on the solution of the scattering problem for the Derivative Nonlinear Schrodinger (DNLS) equation, is proposed. ... Application of this technique to numerically simulated signals showed that it is more efficient than standard Fourier transform and can be developed into practical tool for the analysis of outputs from nonlinear systems....
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SolitonTransformasaTooltoRetrieveNonlinearComponentofaSignal.htm -- 6.2 Кб -- 10.07.2002
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217. AUTHOR : Sochenkova T
. AUTHOR : Sochenkova T. G. 1. ааа Rare Earth Intermetallic Compounds with a Huge Magnetostriction and Compensated Magnetic Anisotropy . S.Nikitin, I.S.Tereshina, A.P.Touliakov (Faculty of Phisics, Moscow State University, Moscow, Russia); Yu.B.Patrikeev, T.G.Sochenkova (GIREDMET, Moscow, Russia) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SochenkovaTG.htm -- 5.8 Кб -- 10.07.2002
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218. Abstract
... Solitary Surface Acoustic Waves . ... In the presence of linear dispersion, the equations of nonlinear elasticity theory admit solutions that correspond to solitary waves propagating along the surface of a semi-infinite solid. ... The resulting solitary pulse shapes were observed by an optical detection scheme. ... Solitary waves at a solid-liquid interface and nonlinear long wave - short wave interaction in layered structures will also be discussed. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SolitarySurfaceAcousticWaves.htm -- 7.5 Кб -- 10.07.2002
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219. Abstract
... Sonofluorescence Display in Reflecting a Jetting Ultrasonic Cavitation Field . ... The pictures show that in addition to the traditional transmission features of ultrasound, the jetting ultrasonic cavitation field possesses a new feature, i.e., a concentrated cavitation effect on the reflecting surface. ... It is the presence of this new source, much more cavitation events and intensive cavitation effects such as the sonofluorescence intend to occur at the interface. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SonofluorescenceDisplayinReflectingaJettingUltrasonicCavitationField.htm -- 6.6 Кб -- 10.07.2002
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220. Abstract
... Some Generalizations for the Noether Theorem: Differential and Difference Equations . ... It is known from the Noether theorem, that the invariance of variational functional with respect to r-parameter group leads to the existence of r conservation laws for corresponding Euler's equation. Meanwhile there exist r equations associated with Euler's equation which possess their own conservation laws. Some of such equations can be viewed as the Euler equations of variational functionals. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/SomeGeneralizationsfortheNoetherTheoremDifferentialandDifferenceEquations.htm -- 6.2 Кб -- 10.07.2002
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