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Vana, N.; Hofmann, P.
43. annual convention of the Austrian Physical Society at the Technical University, Graz (Austria), 20-24 September 19931993
43. annual convention of the Austrian Physical Society at the Technical University, Graz (Austria), 20-24 September 19931993
AbstractAbstract
[en] Short communication
Original Title
Anlage zur optischen Auswertung von Kernspurfolien am PC
Source
Oesterreichische Physikalische Gesellschaft, Vienna (Austria); 206 p; 1993; p. 47; 43. annual convention of the Austrian Physical Society; 43. Jahrestagung der Oesterreichischen Physikalischen Gesellschaft; Graz (Austria); 20-24 Sep 1993
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Bradley, D.A.; Ahmad Saat; Chong Chon Sing; Ananda Mohan Ghose
Proceedings of a workshop on scope and technical application of neutron activation analysis held at Nuclear Energy Unit, Bangi, Selangor (MY), 5-6 Feb 19851985
Proceedings of a workshop on scope and technical application of neutron activation analysis held at Nuclear Energy Unit, Bangi, Selangor (MY), 5-6 Feb 19851985
AbstractAbstract
[en] Use of the plastic track detector LR-115 type 11 as an integrating fast neutron flux monitor is discussed. It is demonstrated that good linearity of response may be obtained over a wide range of flux. A calculated registration efficiency of 3.3 x 10-5 tracks per neutron is shown to provide useful track densities. Using an aluminium foil sample for activation analysis it is demonstrated that its weight may be obtained to within +- 5% (author)
Source
Unit Tenaga Nuklear, Bangi, Selangor (Malaysia); p. 150-158; 1985; p. 150-158; Workshop on scope and technical application of neutron activation analysis; Bangi, Selangor (Malaysia); 5-6 Feb 1985
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Report
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AbstractAbstract
[en] In a previous paper we presented a method to analyze the data in a stacked film track detector and obtained a nuclear charge distribution for the incident heavy charged particles in cosmic rays. In the course of the analysis, several events of nuclear interaction were found. The present paper presents a method to analyze these interaction tracks by using the results of previous analysis for ordinary (non-interacting) tracks. (orig.)
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Journal Article
Journal
Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms; ISSN 0168-583X;
; v. 12(2); p. 298-303

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AbstractAbstract
[en] Method for the radiographic examination of the wall ports or supporting components of an essentially closed vessel, whereby one brings to the side of the vessel walls or supports under examination a radiation source and, to the opposite side, a radiation sensitive film, the film being irradiated by the source and thereafter developed, characterised in that one introduces into the inside of the vessel a hollow tube at a unique distance from the wall or support component, at least one end of the hollow tube being fed out and in which the hollow tube, during the period of the examination, the irradiation source or an irradiation sensitive film is introduced. (G.C.)
Original Title
Werkwijze voor het radiografisch onderzoeken van wanddelen van of onderdelen in een in hoofdzaak gesloten vat, alsmede vat voorzien van middelen voor toepassing van de werkwijze
Primary Subject
Source
11 Apr 1978; 10 p; NL PATENT DOCUMENT 7803838/A/
Record Type
Patent
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Agba, Dabo Salif Ignace
Univ. of Abidjan - Cocody (Cote d'Ivoire)2011
Univ. of Abidjan - Cocody (Cote d'Ivoire)2011
AbstractAbstract
[en] Radon as natural gas is permanently present in our environment. It is the main natural radiological exposure source for human beings. So, the study of the concentration of this rare gas is essential in order to evaluate the risks incured by the population and the environment. The results of different studies will guide as to take the appropriate protection decisions as recommended by the World Health Organization (WHO). The present work consists in measuring the concentration of radon (Rn 222 isotope) in seven (7) pre-selected sites in the city of Cocody (Abidjan) using SSNTD/LR-115 (photographic film detectors). Our measurements showed some variations in the concentration of radon according to seasons and the influence of main factors such as the porosity, humidity and the diameter of the specks of soil. We noticed that our measured values remain very low compared to international standards. This work is the first step for more important measurements throughout the whole ivorian territory. The aim is to draw a national cartography of radon in Cote d'Ivoire.
[fr]
Le radon, gaz naturel radioactif est present de facon permanente dans notre environnement. C'est la principale source d'exposition radiologique naturelle chez l'homme. La connaissance de la concentration de ce gaz rare est donc essentielle pour l'evaluation des risques encourus par la population et par l'environnement. Les resultats des differentes etudes qui seront menees nous guideront dans le prise de mesures de protection appropriees, telles que recommandees par l'Organisation Mondiale de la Sante (OMS). Le present travail a consiste a mesurer la concentration de radon (l'isotope 222Rn) emanant du sous-sol de sept (7) sites selectionnes dans la commune de Cocody (Abidjan) a l'aide de Detecteurs Solides de Traces Nucleaires (DSTN/LR-115). Les resultats obtenus ont permis de constater une variation des concentrations de radon suivant les saisons. On a egalement releve l'influence des principaux facteurs que sont la porosite, l'humidite et la taille des grains de sol sur les valeurs experimentales. On a note que les valeurs mesurees demeurent faibles dans l'ensemble par rapport aux normes internationales. Ce travail servira d'une premi?re etape a des mesures d'envergure sur toute l'etendue du territoire ivoirien, afin d'etablir une cartographie nationale du radon est Cote d'IvoireOriginal Title
Mesure de l'emanation du radon par des detecteurs solides de traces nucleaires LR 115 dans la commune de Cocody (Abidjan)
Primary Subject
Source
Feb 2011; 65 p; Univ. of Abidjan - Cocody; Abidjan (Cote d'Ivoire); Available from the INIS liaison officer or at the library of UFR SSMT, Univ. of Abidjan - Cocody; 18 refs, 11 figs, 7 tabs; Dissertation (Master 2)
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Cherouati, D.E.; Nava, G.
Radon monitoring in radioprotection, environmental and/or earth sciences1993
Radon monitoring in radioprotection, environmental and/or earth sciences1993
AbstractAbstract
[en] At present, different counting techniques can be used for the automatic scanning of damage tracks in solid dielectrics. This paper deals essentially with the experiences accumulated to-date on different types of spark replica counters. (author). 6 refs, 2 figs
Source
Furlan, G. (Trieste Univ. (Italy)); Tommasino, L. (ENEA-DISP, Rome (Italy)) (eds.); International Centre for Theoretical Physics, Trieste (Italy); 674 p; ISBN 981-02-1226-7;
; 1993; p. 518-523; World Scientific; Singapore (Singapore); 2. workshop on radon monitoring in radioprotection, environmental and/or earth sciences; Trieste (Italy); 25 Nov - 6 Dec 1991

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[en] Bare Kodak LR-115 films have been used as detectors in the survey of radon in Finnish dwellings. The calibrations were made in a 8 m3 walk-in chamber under different equilibrium ratios and for very low equilibrium factors in a smaller 6 litre chamber. Within the experimental uncertainties, the results do not contradict the hypothesis that the efficiency of the film is the same for radon and its alpha active daughters. The radon gas calibration coefficient K was calculated for equilibrium factor F = 0.446 and was 20.0 Bq.m-3.d per tracks.cm-2. Errors in the method are discussed. Systematic errors due to the equilibrium ratio are calculated in three cases; radon gas measurements with bare films and alpha energy measurements with bare films and films in cups. (author)
Secondary Subject
Source
International Seminar on indoor exposure to natural radiation and associated risk assessment; Anacapri (Italy); 3-5 Oct 1983
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Journal Article
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Conference
Journal
Radiation Protection Dosimetry; ISSN 0144-8420;
; v. 7(1-4); p. 195-197

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AbstractAbstract
No abstract available
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Dedicated to Prof. A. Szalay on his 60th birthday.
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Journal Article
Literature Type
Progress Report
Journal
Acta Physica Academiae Scientiarum Hungaricae; v. 28(no.1-3); p. 217-224
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AbstractAbstract
[en] In the present paper aspects of the influence of cellulose nitrate macrochain structures on the quality improvements of lacquer used for track detectors are considered. (author)
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AbstractAbstract
No abstract available
Source
Komenskeho Univ., Bratislava (Czechoslovakia); 114 p; 1983; p. XII/94; 11. international symposium on nuclear electronics; Bratislava (Czechoslovakia); 6-12 Sep 1983; Published in summary form only.
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