The New Encyclopædia Britannica: Macropædia : Knowledge in depthEncyclopaedia Britannica, 2002 - Encyclopedias and dictionaries V.1-12 Micropaedia: Ready reference -- V.13-29 Macropaedia: Knowledge in depth -- V.[30] Propaedia: Outline of knowledge -- V.[31] Index, A-K -- V.[32] Index, L-Z. |
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Page 380
... neutrons contain an odd number of neutrons ( e.g. , uranium - 233 , uranium- 235 , or plutonium - 239 ) , whereas most of those requiring fast neutrons ( e.g. , thorium - 232 or uranium - 238 ) have an even number . The addition of a ...
... neutrons contain an odd number of neutrons ( e.g. , uranium - 233 , uranium- 235 , or plutonium - 239 ) , whereas most of those requiring fast neutrons ( e.g. , thorium - 232 or uranium - 238 ) have an even number . The addition of a ...
Page 382
... neutron induced fission of uranium - 235 , v 2.4 . The actual number of neutrons emitted , however , varies with each fission event , depend- ing on the mass split . Although there is still controversy regarding the number of neutrons ...
... neutron induced fission of uranium - 235 , v 2.4 . The actual number of neutrons emitted , however , varies with each fission event , depend- ing on the mass split . Although there is still controversy regarding the number of neutrons ...
Page 385
... neutrons induces fission in another fissile nucleus , which in turn fissions and emits neutrons to continue the chain . If more than one neutron is effective in inducing fission in other nuclei , the chain multiplies more rapidly . The ...
... neutrons induces fission in another fissile nucleus , which in turn fissions and emits neutrons to continue the chain . If more than one neutron is effective in inducing fission in other nuclei , the chain multiplies more rapidly . The ...
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20th century agriculture altitude ancient animals Arctic Ocean Argentina Aristotelian Aristotle Aristotle's arthropods Asian Athens Atlantic atmosphere atoms basin Buenos Aires carbon Caspian Central Asia centre China Chinese climate coast criticism cultural delta deposits desert east eastern economic electrons energy Eskimo ethnic Evenk exploration feet fish flow forest glaciers Greenland groups Gulf Himalayas Hindu Kush hydrogen important India Indus irrigation Islands Karakoram kilometres Lake land language major marginal Mediterranean metres miles million years ago modern mountains Myanmar neutrons northern nuclear nucleons nucleus O₂ orbitals oxygen painting Pakistan Paleozoic Pamirs particles patterns Peninsula plains Plateau political population production protons range region ridges River Russian Siberia slopes soils Southeast Southeast Asia southern species steppe Strait structure summer surface temperature theory Tibet Tien Shan tion trade traditional tundra valleys western winter Yakut Yangtze Yenisey zone