单词 | graphite pile |
释义 | > as lemmasgraphite pile General attributive, as graphite moderator, graphite pile, graphite reactor; (also instrumental) graphite-moderated adj. ΚΠ 1945 H. D. Smyth Gen. Acct. Devel. Atomic Energy Mil. Purposes 63 The prospects for a graphite pile with helium cooling looked promising. 1945 H. D. Smyth Gen. Acct. Devel. Atomic Energy Mil. Purposes 68 The lattices..consisted of lumps of uranium imbedded in the graphite moderator. 1945 H. D. Smyth Gen. Acct. Devel. Atomic Energy Mil. Purposes 79 In a typical graphite-moderated pile a neutron that has escaped from the uranium into the graphite travels on the average about 2·5 cm between collisions. 1950 Amer. Speech 25 24 Reactors may be named according to fuel (uranium reactor), moderator (graphite reactor), [etc.]. 1958 Times Rev. Industry Aug. 7/1 Britain will depend mainly on the gas-cooled, graphite-moderated type reactor, using natural uranium. 1962 Newnes Conc. Encycl. Nucl. Energy 511/1 With gas-cooled reactors the graphite moderator normally acts as a guide for the fuel elements. < as lemmas |
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