Vol. 33 No. 3 (1999)

Published: 1999-12-24

ULTRASOUND MEASUREMENTS AND INSTRUMENTS

Diagnostics of dielectric materials and measurement their physical parameters

A. Erofeev, F. F. Legusha, S. I. Pugachiov

7-10
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Acoustic NDT of tight wooden materials

A. A. Erofeev, F. F. Legusha, I. B. Moskovenko, S. I. Pugachiov

11-13
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Measurements of electromechanical coupling coefficient for surface acoustic waves in proton-exchanged lithium niobate

D. Ciplys, R. Rimeika

14-20
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Application of ultrasonic techniques for measurement of a flowrate of viscous liquids in a wide temperature range

G. Poviliunas, R. Kazys

21-26
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PHYSICAL ACOUSTICS

Investigation of water structure changes in carbamide and nitrates [NaNO3, Ca(NO3)2, NH4NO3] solutions by ultraacoustic method

V. Janenas, V. Abaraviciute, V. Kasperiunas, O. Majauskiene, R. Saudiene

27-29
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Stimulation of chemical decomposition of molecules by ultrasound

Ev. L. Garska, R. Giriuniene, V. Salna

30-32
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WAVE PROPAGATION AND VIBRATION

The modified method for simulation of ultrasonic fields of disk shape transducer

E. Jasiuniene, L. Mazeika

33-37
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Specific features of airborne insulation

D. Guzas

38-41
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Normal wave diffraction in the rounded section of a waveguide

D. Guzas, E. Jotautiene

42-44
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INFORMATION

Activity of Lithuanian acoustics and conference of Acoustical Society of Lithuania

D. Guzas

45-48
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