منابع مشابه
Solid wastes from nuclear power production.
Radioactivity in nuclear power effluents is negligible compared to that in retained wastes to be disposed of as solids. Two basic waste categories are those for which shallow disposal is accepted and those for which more extreme isolation is desired. The latter includes "high level" wastes and others contaminated with radionuclides with the unusual combined properties of long radioactive half-l...
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Bennett RD and Heftmann E (1962) Thin-layer chromatography of sterols. Journal of Chromatography 9: 359. Copius-Peereboom JW and Beekes HW (1965) The analysis of mixtures of animal and vegetable fats. V. Separation of sterol acetates by thin-layer chromatography in reversed-phase systems and on silica gel G} silver nitrate layers. Journal of Chromatography 17: 99. Hung GWC and Harris AZ (1989) ...
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Criticality concerns, decay heat management and radioactive waste handling are perceived as the primary, unsatisfactorily resolved technological problems of nuclear reactors. They all originate from very specific features of a fission phenomenon: self-sustained chain reaction in fissile materials, very strong radioactivity of fission products and very long half-life of some of the radioactive f...
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Introduction: Submandibular region is surgically significant in the head and neck field and a mass in this region may have multiple differential diagnoses. Case Report: An elderly man came with a single 4×2.5 cm swelling in the neck on the right side, just below the lower jaw, since one month. Ultrasound showed an irregular heterogeneous hypoechoic les...
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In late August, behind closed doors at the austere National Academy of Sciences in Washington D.C., Samuel Stupp, a materials scientist and director of the Institute for BioNanotech-nology in Medicine at Northwestern University, showed a video clip for a committee evaluating the United States' billion-dollar-a-year National Nanotechnology Program. " Everyone was so quiet watching this movie. It...
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ژورنال
عنوان ژورنال: Nature
سال: 1992
ISSN: 0028-0836,1476-4687
DOI: 10.1038/355580a0