absorption of radiation
activity of radiation source
放射源活度
化学耗氧量
化学需氧量(COD)
化学需氧量
administration of radiation
Advances of radiation-graftingresearch
Amplification by Stimulated Emission of Radiation
analysis of radiation accident
assessment of radiation protection
Assessment of Radiation Risk
bioeconomic effects of radiation
biological effect of radiation
Biological Effects of Radiation
Biological Indicator of Radiation Damage
blackness of radiation detector
Budgets of radiation and heat
calculation of radiation heat transferring
characteristics of radiation