نتایج جستجو برای: رادیواکتیویته radioactivity
تعداد نتایج: 10627 فیلتر نتایج به سال:
It is obvious that healthy eating will only be with foodstuffs, and the foods consumed can affect social life religious in addition to physical mental health. The concentration of radioactivity may basic foodstuffs such as oil increase dose rate taken food. In study, no measurable U-238, Ra-226, Th-232, K-40, Cs-137 Cs-134 concentrations were found olive oils obtained from olives grown Osmaniye...
Introduction In the present nuclear age, the devastating effects of radioactivity have been highlighted by such issues as nuclear weapons testing and radioactive waste disposal, and by the reactor incidents at Three Mile Island and Chernobyl. These events illustrate the vexing problems that can be associated with high levels of radioactivity. However, the presence of radioactivity is not limite...
OBJECTIVE To confirm or refute the notion that only parathyroid adenomas have radioactivity higher than 20% of background. DESIGN Retrospective analysis of a prospective patient data set. SETTING Tertiary care referral center. PATIENTS Forty-six patients (9 men and 37 women; mean +/- SD age, 53.7 +/- 12.1 years) underwent thyroid and parathyroid surgery between December 2005 and December ...
This work examines the consequence of γ radioactivity on SOI-based Tunnel Field Effect Transistors & their use as radiation dosimeters. Extensive simulations have been carried out throughout study in order to examine creation e--h+ pairs oxide field predict device’s features from region where transistor operation around pinch-off voltage significant agglomeration area. It was found that pre...
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With alternate, sustainable, natural sources of energy being sought after, there is new interest in energy from radioactivity, including natural and waste radioactive materials. A study of various atomic batteries is presented with perspectives of development and comparisons of performance parameters and cost. We discuss radioisotope thermal generators, indirect conversion batteries, direct con...
PURPOSE This study examined the internal Cs exposure of residents and the Cs present in food products produced in Namie. Whole-body counter (WBC) was used for the measurement of internal exposure per each whole body of examinees. METHODS The food products which appeared to be used for consumption, were brought by residents and commercially available food items were excluded. Most of them were...
Introduction In the present nuclear age, the devastating effects of radioactivity have been highlighted by such issues as nuclear weapons testing and radioactive waste disposal, and by the reactor incidents at Three Mile Island and Chernobyl. These events illustrate the vexing problems that can be associated with high levels of radioactivity. However, the presence of radioactivity is not limite...
UNLABELLED Several groups have developed high-resolution PET systems and shown the feasibility of in vivo studies on small laboratory animals. In this investigation, one of these systems was validated for the performance of receptor imaging studies. For this, the radiotracer concentrations obtained in the same animals with PET and with autoradiography were quantified, and the correspondence bet...
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