Yuri Kudryavtsev

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July 14, 2001 Abstract The possibility to use a gas cell filled by noble gas (He or Ar) for thermalizing, storing and transporting radioactive ions is explored by studying experimentally ion – electron recombination of stable Ni, resonantly ionized by laser light. Combined with a literature study on ionization chambers, especially developed for(More)
The radioactive element astatine exists only in trace amounts in nature. Its properties can therefore only be explored by study of the minute quantities of artificially produced isotopes or by performing theoretical calculations. One of the most important properties influencing the chemical behaviour is the energy required to remove one electron from the(More)
An advanced computerized complex for Ultrasonic Peening (UP) of parts and welded elements based on piezoelectric transducers was developed recently. The complex consists of a compact ultrasonic transducer, generator and a laptop with an Expert System for UP optimum application: maximum possible increase in fatigue life of parts and welded elements with(More)
A new advanced system for Ultrasonic Peening (UP) of materials, details and welded elements was developed recently. The UP produces a number of beneficial effects in metals and alloys. Foremost among these is increasing the resistance of materials to surface-related failures, such as fatigue, fretting fatigue and stress corrosion cracking. The beneficial(More)
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