Alpha particle qhia txog
Alpha particles zoo tshaj tawm cov khoom siv hluav taws xob loj (He-4 atomic nuclei) uas nrawm poob lub zog tom qab dhau los nruab nrab. Lawv feem ntau tsim tawm thaum qee cov atoms hnyav (piv txwv li uranium, radium) lossis qee qhov kev tsim hluav taws xob tsis zoo. Alpha hais khiav hauv nruab nrab thiab nrawm poob lub zog thiab tsis tuaj yeem nkag mus deb. Txawm li cas los xij, nws tuaj yeem ua kev puas tsuaj rau cov ntaub so ntswg txawm tias nws tsis tuaj yeem nkag mus tob. Alpha particles feem ntau yog ua kom tiav los ntawm tib neeg sab tawv nqaij necrotic, thiab radioisotopes tso tawm los ntawm alpha particles tsis ua rau muaj kev phom sij sab nraud ntawm tib neeg lub cev. Txawm li cas los xij, thaum lawv nqus lossis txhaj tshuaj, nws tuaj yeem yog qhov txaus ntshai heev. Alpha particles tuaj yeem tiv thaiv los ntawm ib daim ntawv so ntswg.