background counting rate

美 [ˈbækɡraʊnd ˈkaʊntɪŋ reɪt]英 [ˈbækɡraʊnd ˈkaʊntɪŋ reɪt]
  • 背景计数率;本底计数率
background counting ratebackground counting rate
  1. In this system , the background counting rate is 0.7/s and background efficiency ratio is 1.82/s for HPGe detector of 38.4 % relative efficiency in 100 ~ 2 000 keV energy range .

    在100~2000keV能区,相对效率为38.4%的HPGe探测器积分本底计数率为0.7/s,本底效率比为1.82/s;

  2. A high-sensitive scintillation chamber of 75 ml in volume with detection efficiency ~ 82 % and background counting rate ~ 0.09 cpm has been developed .

    研究了一种容积为75ml的高灵敏的闪烁室,其探测效率~82%,本底计数率~0.09计数/min。