.ABSTRACTS The a b s t r a c t s survey, a regular feature of each issue of ULTRASONICS, contains r e c e n t patent information and r e p o r t s of new l i t e r a t u r e in the field. Copies of original a r t i c l e s a r e best obtained by writing to the journal in which they appeared. The a d d r e s s e s of such journals can be found in r e f e r e n c e books such as 'World List of Scientific and Technical Publications', 'Willings P r e s s Guide', 'Newspaper P r e s s D i r e c t o r y ' , or (for A m e r i c a n journals) ' A y e r s ' .
Ultrasonic methods for the investigationof semiconducting piezoelectric materials Vasil'ev, V. S., Kanevskii, I.N. Soviet Physics Acoustics, Vol 16, No 2 (OctoberDecember 1970) pp 145-162
Statistical calculation of the complex bulk elastic modulus Bruk-Levinson, E. T., Nemtsov, V. B., Rott, L. A. Soviet P h y s i c s ALoustics, Vol 16, No 2, pp 174-178 Influence of orientation and crystallisation on the velocity of ultrasound in polyethylene terephth~lnte Grechishkin, V. A., Kazaryan, L. G., Perepecb.ko, I. I. Soviet Physics Acoustics, Vol 16, No 2, pp 187-191 Investigation of the possibilities for broadening the t r a n s m i s s i o n band of cylindrical p i e z o e l e c t r i c c e r a m i c trnnf~ktcers Dianov, B. D., Kuz-menko, A. G. Soviet Physics Acoustics, Vol 16, No 2, pp 197-200 Influence of alloying elements on the velocity of ultrasound in magnesium Drits, M. E., Zusman, L. L., Rokhlin, L. L. Soviet Physics Acoustics, Vol 16, No 2, pp 201-203 Amplitude-phase holograms of vibration patterns Zonkhiev, M. A. Soviet Physics Acoustics, Vol 16, No 2, pp 209-212
Synthesis and investigation of longitudinal-mode a b s o r b e r s in b e a m s and plates Kashina, V. I., Tyutekin, V. V., Shkvarnikov, A. I. Soviet Physics Acoustics, Vol 16, No 2, pp 213-218 Modulation of sound by sound in the intersection of sound waves Zverev, V. A., Kalachev, A. I. Soviet P h y s i c s Acoustics, Vol 16, No 2, pp 204-208 Scattering of a sound w a v e by ideal prolate spheroids K1eshchev, A. A., Sheiba, L. S. Soviet Physics Acoustics, Vol 16, No 2, pp 219-222 Radiation and scattering of sound by a cylinder in a viscous m e d i u m Kozhin, V. N. Soviet Physics Acoustics, Vol 16, No 2 (OctoberDecember 1970) pp 223-227 L o s s e s in m e t a l s at low ultrasonic frequencies Kulemin, A. V., Mitskevich, A. M. Soviet P h y s i c s Acoustics, Vol 16, No 2 (OctoberDecember 1970) pp 228-232
Stabiligation of gas bobbies in water Sirotyuk, M. G. Soviet Physics Acoustics, Vol 16, No 2 (OctoberDecember 1970) pp 237-240 Sound t r a n s m i s s i o n through a p e r f o r a t e d plate of finite thickness Shenderov, E. L. Soviet Physics Acoustics, Vol 16, No 2 (OctoberDecember 1970) pp 244-249
Ultra- and h y p e r - s o n t c p r o p e r t i e s of some organic liquids Aliev, S. S., Kvasova, L. E., Lanshina, L. V., Parpiev, K.,Khabibullaev, P. K. Soviet Physics Acoustics, Vol 16, No 2 (OctoberDecember 1970) pp 250-252 A lead zirconate tit~n~te (TsTS 13/1) c e r a m i c spherical hydrophone Anan'eva, A. A., Gusakova, G. I., Zaionts, L. R., Sosnov, A.V. Soviet P h y s i c s Acoustics,Vol 16, No 2 (OctoberDecember 1970) pp 253-255 Reverberation of the acoustic sion:~lR of r i v e r boats Arabadzhi, V. N., Prokhorov, E. S. Soviet P h y s i c s Acoustics,Vol 16, No 2 (OctoberDecember 1970) pp 256-258 Technique f o r the precision m e a s u r e m e n t of u l t r a sonic velocity dispersion in liquids Burundukov, K. M., Lobanov, A. M. Soviet Physics Acoustics, Vol 16, No 2 (OctoberDecember 1970) pp 259-261 On the acoustic inspection of g r a n a r i e s for infestation by grain p e s t s Gavrilov, L. R., Sirotyuk, M. G. Soviet Physics Acoustics, Vol 16, No 2 (OctoberDecember 1970) pp 262-263 Experimental study of the absorption of ultrasound in acetic a c i d / c a r b o n t e t r a c h l o r t d e binary s y s t e m s Zalivchii, V. N., Moklyak, V. I. Soviet Physics Acoustics, Vol 16, No 2 (OctoberDecember 1970) pp 264-265 K n e s e r absorption in m i x t u r e s of bromobenzene, chlorobenzene and cycloheJmne in benzene, and of cldorob~-nzene in bromobenzene Ilgunas, V., Paulauskas, K., Tamashauskas, A. Soviet Physics Acoustics, Vol 16, No 2 (OctoberD e c e m b e r 1970) pp 266-268 ULTRASONICS April 1971
123