CONTENTS

SCIENTIFIC-TECHNICAL

• Nedoseka A.Ya., Ovsienko M.A., Kharchenko L.F., Yaremenko M.A. Features of propagation of AE signal in different boundary media ...3
• Naida S.A. Piezoelectric transducers of ultrasonic level meters ...9
• Skalskii V.R., Stankevich O.M., Besarab R.M. Diagnostics of oil pumping station equipment by acoustic emission method ...14
• Maevskii S.M., Serii K.M. Contactless system for determination of coordinates of fl aw detector measuring transducer ...20
• Bezimyannii Yu.G., Galanenko D.V., Teslenko L.O. Features of AE monitoring at high-speed cyclic cantilever bending of samples ...24
• Shapovalov E.V. Application of intelligent systems of computer vision for object identifi cation against noise background ...33
• Vyskrebtsov V.B., Shulzhenko A.V., Grebennikov V.N., Manorik P.A. Mathematical model of the process of plugging of through-thickness defects at contact with process solutions before leak testing ...38
• Ishin N.N., Goman A.M., Skorokhodov A.S., Gavrilov S.A. Diagnostics of technical condition of driven wheelwork based on analysis of shock processes in gears ...43
• Pryadko N.S. Acoustic emission monitoring of the process of jet refi nement ...46
• Rudavskii D.V. Propagation of a surface crack in the wall of an oil pipe, allowing for its hydrogenation ...53

INDUSTRIAL

• Dolinskii V.M., Stognii V.N., Cheremskaya V.I. Assessment of load-carrying capacity of vessels with dents ...56

NEWS AND INFORMATION

• New books ...59
• Portable X-Ray TV system ...61
• New Ultrasonic Testing System for Determination of Corrosion Wear of Pipelines «Universal – 1P» ...62