Californium yog muaj zog neutron emitter. Nws yog siv nyob rau hauv portable hlau detectors, txhawm rau txheeb xyuas cov kub thiab nyiaj ores, txhawm rau txheeb xyuas cov dej thiab roj txheej hauv cov roj qhov dej thiab txhawm rau txheeb xyuas cov hlau qaug zog thiab kev ntxhov siab hauv cov dav hlau. Californium tsis paub lub luag haujlwm lom neeg. Nws yog tshuaj lom vim nws cov xov tooj cua.
Vim li cas kev lwj ntawm california tseem ceeb?
transuranium ntsiab
Tshwj xeeb, nrog rau cov isotope californium-252, alpha-particle decay yog ib qho tseem ceeb vim nws txiav txim siab txog ib nrab-lub neej, tab sis cov ntawv thov xav tau ntawm cov isotope siv nws cov spontaneous fission decay uas ua rau ib tug enormous neutron tso zis.
Vim li cas Californium 252 tseem ceeb?
Siv. Cf-252, californium isotope nrog ib nrab-lub neej ntawm 2.645 xyoo, yog ib qho chaw neutron muaj zog heev. … Nws kuj yog siv los ua ib qhov chaw neutron los ntes cov kub thiab nyiaj ores los ntawm cov txheej txheem hu ua neutron activation.
Dab tsi ua california tshwj xeeb?
Nws yog ib qho muaj txiaj ntsig neutron emitter, txhais tau tias nws tso tawm ntau cov neutrons thaum nws tawg. Tsuas yog ib microgram ntawm californium tuaj yeem tsim tau kwv yees li 170 lab neutrons ib feeb. Cov cuab yeej txawv txawv no ua rau nws muaj hluav taws xob ntau thiab muaj peev xwm ua rau muaj kab mob lom.
Dab tsi yog peb qhov tseeb txog california?
Properties
- Nyiaj-dawb thiab nws yog xim hlau nyob rau hauv tsos, nrog lub melting point ntawmkub txog 900 ° C. …
- Cov khoom muaj ib nrab-lub neej ntawm 2.645 xyoo thiab yog ib tug muaj zog neutron emitter, txhais tau tias nws yog heev radioactive, thiab tsis nquag pom nyob rau hauv cov xwm.
- Ib microgram ntawm Cf-252 tuaj yeem tso tawm 170 lab neutrons txhua feeb.
