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劑量當量 (Sievert)

SI dose equivalent measure. Symbol: Sv. It is a unit of biologic dose of ionizing radiation. The Sievert makes it possible to normalize doses of different types of radiation. It takes into account the relative biologic effectiveness of ionizing radiation, since each form of such radiation--e.g., X rays, gamma rays, neutrons-- has a slightly different effect on living tissue for a given absorbed dose. The dose equivalent of a given type of radiation (in Sievert) is the dose of the radiation in Gray multiplied by a quality factor that is based on the relative biologic effectiveness of the radiation. Accordingly, one Sievert is generally defined as the amount of radiation roughly equivalent in biologic effectiveness to one Gray of gamma radiation. Sievert = J/kg = m^2*s^(-2)

Ontology

SUMO / UNITS-OF-MEASURE

Class(es)

國際單位
is instance of
  劑量當量  

Superclass(es)

[tree]
實體
is subclass of
  抽象的  
is subclass of
  數量  
is subclass of
  物理量  
is subclass of
[tree]
實體
is subclass of
  抽象的  
is subclass of
  關係  
is subclass of
  單值關係  
is subclass of
  函數  
is subclass of
is subclass of
  函數量  
is subclass of
  劑量當量  

Coordinate term(s)

電流強度單位-安培  放射性活度單位  英國熱量單位-BTU  熱量的單位-卡路里  發光強度的單位  攝氏  庫侖  電壓單位-電伏特  電容量單位-法拉  克  入射劑量  電感單位  頻率單位-赫茲  功或能的單位-焦爾  絕對溫標  光束的能量單位  照明度的國際單位  公尺  克分子量  力的單位-牛頓  電阻單位-歐姆  壓力的單位  力量單位  弧度  秒計  電導單位  球面度  磁通量密度之國際單位  一元恆定函數量  電壓單位  瓦特  磁通量