منابع مشابه
Effects of atomic electrons on nuclear stability and radioactive decay
1. The only valid (necessary and sufficient) condition for -stability of a nucleus is the minimum value of the mass of the atom (not of the nucleus) on the isobar line (that is, atomic weight = const). This condition holds true for all known isotopes without exception. 2. The condition of nuclear stability and the decay schemes of unstable nuclei depend on the state of the electron shells. Ato...
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This discussion paper is/has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP if available. Abstract Snow photochemical processes drive production of chemical trace gases, including nitrogen oxides (NO and NO 2), and HO x radicals in snowpacks which are then released to the lower atmosphere. Coupled atmosphere–snow m...
متن کاملRadiation exposure from diagnostic nuclear medicine examinations in Golestan province
Introduction: The aim of present study was to estimate effective dose from most common procedures performed in nuclear medicine departments of Golestan province. Methods: Data of nuclear medicine procedures performed in 2 nuclear medicine departments in Golestan province were collected during 4 years. Effective dose, collective effective dose and effective dose per examination were calculated ...
متن کاملAssessment of radiation dose in nuclear medicine hot lab
Background: Hot lab is a specially designed room in a nuclear medicine hospital where the radiopharmaceuticals are delivered, stored and prepared for dispensing. 99Mo/99mTc-generator is the major source in the hot lab used for various medical imaging. It is important to maintain a standard for hot lab procedures to optimize the patient care and minimize radiation exposure to all nuclear medicin...
متن کاملRadiation dose to the nuclear medicine nurses
Background: People who have been administrated radiopharmaceuticals could be a source of radiation to their relatives, medical nurses, and people who are in contact with them. The aim of this work was to estimate radiation dose received by nuclear medicine nurses. Materials and Methods: In this study, the dose rates at various distances of 5 – 100 cm from 70 patients, who were administered diag...
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ژورنال
عنوان ژورنال: EPJ Web of Conferences
سال: 2012
ISSN: 2100-014X
DOI: 10.1051/epjconf/20123504003