{"version":"1.0","type":"link","title":"Half-value layer - Newikis","description":"A material's half-value layer (HVL), or half-value thickness, is the thickness of the material at which the intensity of radiation entering it is reduced by one half. HVL can also be expressed in terms of air kerma rate (AKR), rather than intensity: the half-value layer is the thickness of…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}