Vol. 25 No. 1 (2000)

Articles

• The output of the fifty years' scientific activity of Prof. Dr. Jerzy Ranachowski

  I. MALECKI

  5-12
• Acoustic emission in PZT ceramic in poling process

  M. ALEKSIEJUK

  13-21
• Study of the elastic properties of the lithium tantalate crystal by the Brillouin laser light scattering

  T. BŁACHOWICZ

  23-24
• The influence of preparation conditions on the electro-acoustic properties of the PZT-type piezoceramic sensors

  J. DUDEK, L. KOZIELSKI, Z. SUROWIAK, M. F. KUPRIYANOV

  35-42
• Application of the frequency analysis of acoustic emission in the study of the metal alloy solidification

  M. GOLEC, Z. GOLEC

  43-50
• Application of acoustic emission for determination of initial temperature of casting mould

  M. GOLEC, Z. GOLEC, M. Hajkowski

  51-55
• Determination of initiating and critical stress levels in compressed plain and high-strength concrete by acoustic methods

  J. HOŁA

  57-65
• The analysis of the influence of the thermal shocks on acoustic emission signal generated in cordierite ceramics

  Z. RANACHOWSKI, P. RANACHOWSKI

  67-72
• Directional characteristics of a planar annular plate for axially-symmetric free vibrations

  W. P. Jr. RDZANEK, Z. ENGEL

  73-81
• The possibility of applying of acoustic methods for the monitoring of sol-gel processes

  J. RZESZOTARSKA, J. RANACHOWSKI

  83-92
• Acoustic emission of the Briggs-Rauscher oscillatory reaction: effect of stirring

  J. RZESZOTARSKA, F. R. REJMUND

  93-101
• Scientific and engineering problems facing Polish acousticians fifty years ago

  I. MALECKI

  103-109
• Current trends of the works on acoustics presented at the XLVI Open Seminar on Acoustics OSA'99

  R. PANUSZKA, M. IWANIEC

  111-123