Krypton-85 yog cov roj hluav taws xob muaj hluav taws xob pom muaj nyob hauv cov khoom me me. Nws yog naturally tsim thaum ruaj khov Krypton-84 reacts nrog cov khoom cosmic rays. … Atmospheric Krypton-85 feem ntau yog tsim los ntawm volcanoes, av qeeg, nuclear fais fab nroj tsuag thiab nuclear tawg.
krypton-85 ua li cas?
Krypton-85 yog isotope ntawm kev txhawj xeeb ntawm Department of Energy (DOE) ib puag ncig tswj chaw xws li Hanford. Nws yog tsim los ntawm kev sib cais ntawm uranium thiab plutoniumthiab tam sim no nyob rau hauv siv roj nuclear. Cov haujlwm tshwj xeeb qis ntawm krypton-81 txwv tsis pub nws cov phom sij txaus ntshai.
Krypton tsim li cas?
Krypton tsuas yog ib qho ntawm ntau yam tseem ceeb uas tsim los ntawm cov fractional distillation ntawm cov kua cua. Ntau tshaj peb lub hlis twg ntawm huab cua yog tsim los ntawm nitrogen. … Cov roj zoo uas tau txais los ntawm huab cua uas tsis yog krypton yog argon, neon, thiab xenon. Argon yog siv nyob rau hauv tej yam teeb pom kev zoo.
Tus lej 85 txhais li cas hauv krypton-85?
Krypton-85 nucleus (85 txhais tau tias muaj tag nrho ntawm 85 protons thiab neutrons hauv atom) spontaneously tig mus rau hauv lub nucleus ntawm lub caij Rubidium uas tseem muaj ib qho Cov lej ntawm 85 protons thiab neutrons, thiab beta particle (electron) ya tawm, ua rau tsis muaj qhov sib txawv ntawm tus nqi.
isotope krypton-85 siv rau dab tsi?
Radioactive krypton, Kr-85 1, tau siv rau ntsuastus nqi ntawm cov pa tsis tshua muaj kev ntxuav hauv pre-T. R. valves, nrog cov txiaj ntsig tau zoo. Krypton-85 muaj ib nrab-lub neej ntawm kaum xyoo thiab emits feem ntau beta hluav taws xob (680 keV.) thiab ib co gamma hluav taws xob (500 keV.).