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821. Abstract
... Full Wave Ultrasonic Field and Temperature Simulations in Inhomogeneous Biological Tissue . F.P.Curra, S.G.Kargl, L.A.Crum (Center for Industrial and Medical Ultrasound, Applied Physics Laboratory, University of Washington, Seattle, USA) . ... In order to simulate ultrasound propagation and subsequent thermal effects in biological media in which blood vessels and other structures may be present, a 3-dimensional model has been developed that eliminates the need for symmetry constraints. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FullWaveUltrasonicFieldandTemperatureSimulationsinInhomogeneousBiologicalTissue.htm -- 7.1 Кб -- 10.07.2002
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822. AUTHORS - G
AUTHORS - G . ... Galanin V. V. (1) . ... Garifullin A. R. (1) . ... Gavrilov A. M. (1) . ... Gavrilyuk S. (1) . ... Gazizov R. K. (1) . ... Geisler R. (1) . ... Gordienko E. L. (1) . ... Gromov E. M. (1) . ... Gusev V. E. (4) . ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/G.htm -- 20.0 Кб -- 10.07.2002
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823. AUTHOR : Galanin V
. AUTHOR : Galanin V. V. 1. ааа Nonlinear Standing Waves in Ultrasonic Liquid Resonators with Planar Piezoelectric Transducers . V.S.Kononenko (Department of Physics and Technology, Samara State Technical University, Samara, Russia); V.V.Galanin (Department of Building, Samara Insitute of Engineers of Railway Transport, Samara, Russia.) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/GalaninVV.htm -- 5.9 Кб -- 10.07.2002
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824. Abstract
... There are different techniques available that may be used to achieve an effect of focusing of acoustic energy. ... Although such type of array is known, there are comparatively little available experimental data concerning the radiation of finite amplitude wave by it. The aim of the paper is to present results of examination, both experimental and numerical, of the pressure field of the arrays composed of axisymmetric areas of different structure radiating the finite amplitude wave. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FocusingSourceComposedofAxisymmetricalAreas.htm -- 7.1 Кб -- 10.07.2002
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825. Abstract
... Focusing of Finite-Amplitude Waves at Fold Caustics . ... The focusing of acoustic waves at a fold caustic is studied experimentally for different amplitudes ? of the incident signals. This focusing occurs, for instance, for the sonic boom in case of aicraft ? manoeuvres. ... The first stage consists in determining the signals to be emitted by an array ? of piezoelectric antennae in order to obtain the field associated with the caustic to be ? synthesized, i.e. the Airy function. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FocusingofFiniteAmplitudeWavesatFoldCaustics.htm -- 7.4 Кб -- 10.07.2002
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826. AUTHOR : Fokin M
. AUTHOR : Fokin M. V. 1. ааа Hamiltonian Systems and the Generation of Vortex Structures in Fluid Motion . M.V.Fokin (Laboratory of Evolution Equation, Sobolev Institute of Mathematics, Novosibirsk, Russia) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FokinMV.htm -- 5.7 Кб -- 10.07.2002
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827. Abstract
... Forced Nonlinear Waves Governed by Inhomogeneus Burgers Equation . ... Excitation and propagation nonlinear processes governed by inhomogeneous Burgers equation with non-zero right-hand-side (r-h-s) are considered. By use of characteristics method both qualitative and quantitative properties of solutions for arbitrary forms of r-h-s are studied. ... Concequently, we observe the nonlinear "chaos-order" transformation. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/ForcedNonlinearWavesGovernedbyInhomogeneusBurgersEquation.htm -- 6.6 Кб -- 10.07.2002
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828. AUTHOR : Francescutto A
. AUTHOR : Francescutto A. 1. ааа Enhancement of the Conversion and Concentration of Energy in a Multibubble Cavitation Zone . N.Dezhkunov (Belarusian State University of Informatics and Radioelectronics, Minsk, Belarus); A.Francescutto, P.Ciuti (University of Trieste, Trieste, Italy) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FrancescuttoA.htm -- 5.8 Кб -- 10.07.2002
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829. Abstract
... Free Damped Vibrations of a Nonlinear Rectangular Thin Plate under the Conditions of Internal Combined Resonance . ... Using the constructed solutions, the influence of initial conditions on the energy exchange mechanism taking place between the vertical and flexural modes is analyzed, which is intrinsic to free vibrations of nonlinear structures being under the conditions of different internal resonances. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FreeDampedVibrationsofaNonlinearRectangularThinPlateundertheConditionsofInternalCombinedResonance.htm -- 7.2 Кб -- 10.07.2002
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830. AUTHOR : Fialkovsky I
. AUTHOR : Fialkovsky I. V. 1. ааа Localized Solutions of the Non-Linear Klein-Gordon Equation in Many Dimensions . M.V.Perel, I.V.Fialkovsky (Dept. of Mathematical Physics, Physics Faculty, St. Petersburg University) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FialkovskyIV.htm -- 5.7 Кб -- 10.07.2002
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831. AUTHOR : Filimonov Yu
. AUTHOR : Filimonov Yu. A. 1. ааа Magnetoelastic Rayleigh Wave Convolver Based on Ga,Sc:YIG/GGG Structure . Yu.A.Filimonov, G.T.Kazakov, Yu.V.Khivintsev (Saratov Department of the Institute of Radio Engineering and Electronics of RAS, Saratov, Russia); I.M.Kotelyanski (Fryazino Department of the Institute of Radio Engineering and Electronics of RAS, Fryazino, Russia.) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FilimonovYuA.htm -- 5.9 Кб -- 10.07.2002
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832. AUTHOR : Filimonov Yu
. AUTHOR : Filimonov Yu. L. 1. ааа Features of Acoustic Emission in Rock Salts Conditioned by Nonlinearity of Its Properties . A.S.Voznesensky (Moscow State Mining University, Moscow, Russia); M.N.Tavostin, Yu.L.Filimonov (Podzemgazprom Ltd, Moscow, Russia) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FilimonovYuL.htm -- 5.8 Кб -- 10.07.2002
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833. AUTHOR : Filonenko E
. AUTHOR : Filonenko E. 1. ааа Modeling of Temperature Field in Tissue Created by Therapeutic Phased Arrays with Regular and Random Distribution of Elements . E.Filonenko, V.A.Khokhlova (Department of Acoustics, Faculty of Physics, Moscow State University, Moscow, Russia); L.R.Gavrilov (Andreev Acoustics Institute, Moscow, Russia.) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FilonenkoE.htm -- 5.9 Кб -- 10.07.2002
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834. AUTHOR : Fink M
. AUTHOR : Fink M. 1. ааа A Comparison Between Time Reversal Mirrors and Phase Conjugated Mirrors . M.Fink (Laboratoire Ondes et Acoustique ESPCI, University Paris, Paris, France) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FinkM.htm -- 5.7 Кб -- 10.07.2002
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835. Abstract
... The aim of the present study - to increase operation life of propellers by means of creation of hardened case of the surface and decrease the surface roughness, which to be effected without hand accurate grinding. ... For investigation of UF influence on roughness and surface strength of materials, БрА9Ж4Н4 bronze and 0Х14НДЛ stainless steel samples were taken, which are used in fabrication of propellers. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FlatSurfacesUltrasoundFinishingProcedureonMillingTypeMachinesMethodsofIncreasingoftheProductivity.htm -- 7.1 Кб -- 10.07.2002
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836. Abstract
... Gas bubbles in living tissues, when subjected to therapeutic ultrasound (TUS), may be found in relatively large cavities such as blood vessels, in intercellular spaces and within cells. ... For greater TUS intensity, when bubble might collapse near a surface, we study bubble behavior in confined space that simulates a tiny cavity such as intercellular space. ... In some cases, the bubble divides into two symmetrical bubbles that collapse while high velocity jets are generated, aiming at the walls. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FlowRegimesInducedbyPulsatingGasBubblesinLivingTissues.htm -- 6.9 Кб -- 10.07.2002
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837. Abstract
... Features of Acoustic Emission in Rock Salts Conditioned by Nonlinearity of Its Properties . ... The transient time of acoustic emission (AE) activity versus stresses were investigated under a step loading of salt specimen in uni- and triaxial compression conditions. It was obtained that the transient time of acoustic emission activity depends on stresses. On increasing of the axial stress this time interval at first increases, then it decreases on them and then increasing occurs again. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FeaturesofAcousticEmissioninRockSaltsConditionedbyNonlinearityofItsProperties.htm -- 6.5 Кб -- 10.07.2002
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838. AUTHOR : Fedorchuk V
. AUTHOR : Fedorchuk V. I. 1. ааа On Some Applications of the Nonconjugate Subgroups of the Generalized Poincare Group P(1,4) . V.M.Fedorchuk (Pidstryhach Institute of Applied Problems of Mechanics and Mathematics of NAS of Ukraine, Lviv, Ukraine); V.I.Fedorchuk (Franko Lviv National University, Lviv, Ukraine.) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FedorchukVI.htm -- 5.8 Кб -- 10.07.2002
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839. AUTHOR : Fedorchuk V
. AUTHOR : Fedorchuk V. M. 1. ааа On Some Applications of the Nonconjugate Subgroups of the Generalized Poincare Group P(1,4) . V.M.Fedorchuk (Pidstryhach Institute of Applied Problems of Mechanics and Mathematics of NAS of Ukraine, Lviv, Ukraine); V.I.Fedorchuk (Franko Lviv National University, Lviv, Ukraine.) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FedorchukVM.htm -- 5.8 Кб -- 10.07.2002
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840. AUTHOR : Fedorov E
. AUTHOR : Fedorov E. 1. ааа Soliton Transform as a Tool to Retrieve Nonlinear Component of a Signal . N.Mazur, E.Fedorov, V.Pilipenko (Institute of the Physics of the Earth, Moscow, Russia) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/FedorovE.htm -- 5.7 Кб -- 10.07.2002
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