delayed neutron वाक्य
उदाहरण वाक्य
मोबाइल
- The key difference between plutonium-239 and uranium-235 is that plutonium emits fewer delayed neutrons than uranium when it undergoes fission.
- The beta decay half lives for the precursors to delayed neutron-emitter radioisotopes, are typically fractions of a second to tens of seconds.
- The average neutron lifetime considering delayed neutrons is approximately 0.1 sec, which makes the chain reaction relatively easy to control over time.
- Samples of smears, vegetation, soil, rock, plastics, wood, metal, and sand are equally amenable to delayed neutron analysis.
- The CAESAR reactor design exploits the fact that the fission products and daughter isotopes produced via nuclear reactions also decay to produce additional delayed neutrons.
- For low enriched uranium fuel working on a thermal neutron spectrum, the difference between the average and effective delayed neutron fractions can reach 50 pcm.
- While most of germanium's radioisotopes decay by beta decay, 61 Ge and 64 Ge decay by ? " delayed neutron emission decay paths.
- For every 1000 neutrons released by fission, 7 are delayed neutrons which are emitted from the fission product precursors, called " delayed neutron emitters ".
- For every 1000 neutrons released by fission, 7 are delayed neutrons which are emitted from the fission product precursors, called " delayed neutron emitters ".
- The PT-2 facility offers a highly thermalized flux coupled with delayed neutron counting, giving the ability to measure very low quantities of fissile materials in minutes.
- As for delayed neutrons, do you think it is better to include them in nuclear fission or to leave them ( like now ) in nuclear reactor physics?
- McElroy, R . D .; Clark, David D .; Yeh, T . R . Level parameters deduced from experimental beta-delayed neutron spectra.
- This delayed neutron fraction, on the order of 0.007 for uranium, is crucial for the control of the neutron chain reaction in one dollar of reactivity.
- A steady-state ( constant power ) reactor is operated so that it is critical due to the delayed neutrons, but would not be so without their contribution.
- Filippone claims that unlike conventional water-cooled fission reactors, where fission occurring in Maxwellian thermal neutron flux profile, the neutron energy profile from delayed neutrons varies widely.
- At the first level of control in all nuclear reactors, a process of delayed neutron emission by a number of neutron-rich fission isotopes is an important physical process.
- These delayed neutrons account for about 0.65 % of the total neutrons produced in fission, with the remainder ( termed " prompt neutrons " ) released immediately upon fission.
- However, if the mass is critical only when the delayed neutrons are included, then the reaction can be controlled, for example by the introduction or removal of neutron absorbers.
- When differentiating between a prompt neutron versus a delayed neutron, the difference between the two has to do with the source from which the neutron has been released into the reactor.
- The moment of beta decay of the precursor nuclides-which are the precursors of the delayed neutrons-happens orders of magnitude later compared to the emission of the prompt neutrons.
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