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[en] We developed a portable device for remote control of alpha-active nuclide contamination in the presence of beta and gamma radiation in actual atmospheric conditions in the real time mode. Alpha-particle detection is effected through registration of air ions generated on particle tracks. The air ions are transferred from the particle tracks into the detector operative chamber by air flux. The registration is performed by gas discharges using a wire counter open towards the air flux. The device will provide air flux running over the investigated surface of any complicated profile and continuous transport of air ions to the work chamber of the detector. The device can be used as indoor atmosphere monitor. It allows continuous blowing through working volume and detects appearance the radioactive aerosol. The device can also be used to conduct automated monitoring of drinking water
Source
Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University, Prague (Czech Republic); Faculty of Civil Engineering, Czech Technical University, Prague (Czech Republic); Czech Society for Radiation Protection, Prague (Czech Republic); National Radiation Protection Institute, Prague (Czech Republic); Belgian Association for Radiation Protection, Brussels (Belgium); Liege University, Liege (Belgium); [103 p.]; ISBN 80-01-03009-1; 
; 2004; p. 60; 4. European conference on protection against radon at home and at work; Prague (Czech Republic); 28 Jun - 2 Jul 2004; The abstract of a presentation in the poster form within session 3, 'Methods of measurement and devices', contains layouts of the chamber and of the detector
; 2004; p. 60; 4. European conference on protection against radon at home and at work; Prague (Czech Republic); 28 Jun - 2 Jul 2004; The abstract of a presentation in the poster form within session 3, 'Methods of measurement and devices', contains layouts of the chamber and of the detector