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Memoirs
Created 22.8.2017
Updated 1.6.2021
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Biography
Margarita Georgieva Tranteeva-Christova
Donation
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Born
in Plovdiv, 23 September 1932
Education
She studied secondary school in Plovdiv (1950)
Margarita graduated physics from the Sofia University (1953–1958)
Milko Borissov tutored her diploma work "Physical calculation for Gamma irradiation installation"
Specialisation
â Bahba Atomic Research Center – Èíäèÿ è â CERN Èòàëèÿ
Research:
Area: Radiation safety, Gamma installation, Measurement of high dose gamma radiation
She initiated a range of radio-photoluminescent detectors creation, a dosimeter cassette and an automated system for measurement individual irradiation from gamma rays, thermal and fast neutrons
She created a range of irradiation devices and a remote measuring device in a hot chamber the distribution of the exposure power of the dose in the XZ plane created by high-level radioactive sources
Margarita Christova published 60 articles, 2 books, 50 reports, 11 inventions, 2 innovation and 4 new metods
She produced movable Gamma installation
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Professional Experience
(1959) Physicist in the Laboratory for mechanical investigations in the Voroshilov factory, Sofia
(1961–1962) Physicist in the Laboratory Ferrites in the Voroshilov factory, Sofia
(1962–1971) Physicist in the Laboratory "Radiation Safty" in the research reactor IRT-2000 BAS
(1971–1988) Head of the Laboratory "Radiation Safty" in the research reactor IRT-2000 BAS
(1973–1988) worked in the INRNE-BAS
(1982–1988) Deputy Director of the Reactot, BAS
Fisicist fellow of INRNe after 1988
(1984–1995) Expert of ÌÀÀÅ
Director of "Gitava Ltd" (since 1990)
Teaching activities
Margarita was a teacher in the vilage Ustina, Plovdiv district (1950–1953)
She was a honorary assistant in the Sofia University (1959–1961)
Awards
– 1975, title “innovator"
– badge honoured inventor of BAS
– 1975, ² prize in the national competition for women innovators
– 1980, ² prize of Government committee for science and technical progress (ÄÊÍÒÏ)
– 1984, ² prize of BAS
– ² prize of INRNE
– 1986, Honored badge “Marin Drinov” BAS
– 2004, Golden medal from International Exhibition “East-West Euro Intellect”, Sofia
Projects
1974 – Set up with 52 000 Curie Cobalt-60 in Gamma installation
1978 – New set up with 15 000 Curie Cobalt-60 in Gamma installation for agricultural production, Stambolijsky
1979 – New set up with 10 000 Curie Cobalt-60 in Gamma installation
1985 – Set up with 32 000 Curie Cesium-137 on the ïobile Gamma installation
1988 – New set up with 20 000 Curie Cobalt-60 on immovable installation
1989 – Set up with 10 000 Curie Cesium-137 on Gamma installation
2006 – Set up with 17 500 Curie Cobalt-60 on immovable installation
2008 – Set up with 17 000 Curie Cobalt-60 on scientific research Gamma installation
2007 – Contract with ÌÀÀÅ "Isotope" – Moscow
Publications
I. Pandev, M. Christova, S. Stefanov, N. Gantchev, S. Bakardjiev, D. Genov, Ch. Shristov, Portable gamma irradiator - modified model, 2 International Radioizotope Application and Radiation Processing in Industry, 28 September - 1 October 1982, Leipzig, Part 3, 1983, p. 34
M. Christova, V. Shtenger, A. Kovacs, Dosimetry practice in the GOY-1 Gamma irradiator, Proceedings of International Symposium High dose dosimetry, Vienna, 8-12 October 1984, IAEA, 1985
M. Christova, Radiation Protection at the Institute for Nuclear Research and Nuclear Energy - Organization and Results, Proceedings of International Conference on Radiation Protection in Nuclear Energy, 18-22 April 1988, Sidney, IAEA, 1988, p. 283
M. Christova, A device for measuring the dose rate from a high activity gamma sources, Proceedings of International Symposium on High dose dosipetry for Radiation processing, 5-9 November 1990, Vienna, IAEA, 1991, p. 101
K. Krezhov, M. Christova, D. Genov, N. Genchev, V. Sechkariov, NIGU-5 self-contained research irradiator, Radiation Physics and Chemistry, V. 46, N 4-6, p. 515-518, 1995
M. Hristova, E. Moskov, M. Vitkova, Radiation Protection Organization in the Institute for Nuclear Research and Nuclear Energy - Bulgarian Academy of Sciences, Anniversary Scientific Conference, Radiation Protection of Bulgarian Population, Problems, Perspectives, Anniversary 1963-1993, December 1993, Sofia
M. Hristova, E. Moskov, M. Vitkova, Radiation Protection organization in the INRNE-BAS, Annual Report 1993, Sofia, 1994, p. 148
M. Hristova-Tranteeva, International Meeting on Radiation Processing, New Designs of Self-shielded Gamma Irradiators, 26 February - 3 March 2006, Kuala Lampur, Malaysia, 2006, p. 179
References:
Ê. Êîëåíöîâ, Ìàðãàðèòà Õðèñòîâà - ïðåäñòàâèòåë è ðàäåòåë íà åêñïåðèìåíòàëíàòà ÿäðåíà ôèçèêà è èçîáðåòàòåë, Ïîñòèæåíèÿ íà ïðèëîæíàòà ôèçèêà â ÁÀÍ, Àêàä. èçä. "Ïðîô. Ì. Äðèíîâ" (2010) ñ. 114
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