hluav taws xob qhov chaw
Qhov hluav taws xob tawg yog hais txog cov khoom siv lossis cov cuab yeej muaj peev xwm tshaj tawm cov khoom siv hluav taws xob ionizing. Cov kev siv hluav taws xob tuaj yeem muab faib ua hluav taws xob thiab cov khoom siv hluav taws xob. Cov pa tawm hluav taws xob tau muab faib ua: cosmic rays, av ntu hluav taws xob, cov duab hluav taws xob nyob hauv huab cua, cov pa hluav taws xob nyob hauv dej, thiab cov duab hluav taws xob hauv tib neeg lub cev; cov khoom siv hluav taws xob tuaj yeem muab faib ua cov hluav taws xob kho mob, cov chaw muaj hluav taws xob, thiab cov chaw ua haujlwm tawg.