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Na decays, it causes a buildup of magnesium in the coolant. Since the half-life is short, the 24 Na portion of the coolant ceases to be radioactive within a few days after removal from the reactor. Leakage of the hot sodium from the primary loop may cause radioactive fires, [12] as it can ignite in contact with air (and explodes in contact with ...
As part of these experiments, in 1986 EBR-II underwent an experimental shutdown simulating complete cooling pump failure. It demonstrated its ability to self-cool its fuel through natural convection of the sodium coolant during the decay heat period following the shutdown. It was used in the IFR support role, and many other experiments, until ...
Sodium is a chemical element; it has symbol Na (from Neo-Latin natrium) and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23 Na. The free metal does not occur in nature and must be prepared from compounds.
All current large-scale FBR power stations were liquid metal fast breeder reactors (LMFBR) cooled by liquid sodium. These have been of one of two designs: [1]: 43 Loop type, in which the primary coolant is circulated through primary heat exchangers outside the reactor tank (but inside the biological shield due to radioactive 24
If your symptoms persist for more than 10 days. If you experience difficulty breathing, develop a severe cough, notice thick green or yellow mucus, run a fever, and/or feel extremely fatigued.
Prediabetes doesn’t come with many symptoms, so most people with the conadition — about 90 percent — don’t know they have it. If you do experience prediabetes symptoms, you may notice:
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An activation product is a material that has been made radioactive by the process of neutron activation.. Fission products and actinides produced by neutron absorption of nuclear fuel itself are normally referred to by those specific names, and activation product reserved for products of neutron capture by other materials, such as structural components of the nuclear reactor or nuclear bomb ...