Vim li cas peb siv protactinium?

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Vim li cas peb siv protactinium?
Vim li cas peb siv protactinium?

Video: Vim li cas peb siv protactinium?

Video: Vim li cas peb siv protactinium?
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Protactinium yog siv feem ntau rau kev tshawb fawb lub hom phiaj. Protactinium-231 ua ke nrog thorium-230 tuaj yeem siv rau hnub tim marine sediments.

Protactinium-231 siv rau dab tsi?

Protactinium qhov ruaj khov tshaj plaws isotope, protactinium-231, muaj ib nrab-lub neej txog li 32, 760 xyoo. Nws lwj mus rau hauv actinium-227 los ntawm alpha lwj. Vim nws qhov tsis txaus, muaj hluav taws xob ntau thiab muaj kuab lom, tam sim no muaj tsis muaj siv rau protactinium sab nraud ntawm kev tshawb fawb txog kev tshawb fawb.

Radium siv rau dab tsi?

Radium yog siv hauv luminous xim(hauv daim ntawv ntawm radium bromide). Radium thiab beryllium ib zaug tau siv los ua qhov chaw nqa khoom ntawm neutrons. Radium yog siv hauv tshuaj los tsim cov roj radon, siv rau kev kho mob qog noj ntshav.

pom protactinium nyob qhov twg?

Protactinium yog ib qho tshuaj lom thiab tsis tshua muaj hluav taws xob hauv ntiaj teb hlau uas yuav tsum tau tuav tshwj xeeb. Nws muaj nyob rau hauv pitchblende thiab ores daim ntawv Zaire thiab yog ib qho ntawm cov khoom tsis tshua muaj thiab kim tshaj plaws tshwm sim.

Protactinium tsim li cas?

Nws yog alpha emitter thiab tsim los ntawm kev lwj ntawm uranium-235 , whereas lub beta radiating protactinium-234 nrog ib nrab-lub neej ntawm 6.74 teev yog tsim los ua ib tug Qhov tshwm sim ntawm uranium-238 lwj. Ze li ntawm tag nrho cov uranium-238 (99.8%) decays ua ntej mus rau lub 234mPa isomer thiab tom qab ntawd mus rau 234 Pa.

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