摘要
本文报道为地震监测研制的新型专用He/Ar及N_2/Ar比值质谱计。其精度为0.5%,灵敏度(对He)2ppb。
A new special mass spectrometer for measuring He/Ar and N_2/Ar ratio of lithosphere gases has been made for monitoring earthquake. Its precision is ± 5%, the sensitivity is 2ppb.
出处
《质谱学报》
EI
CAS
CSCD
1991年第1期35-41,共7页
Journal of Chinese Mass Spectrometry Society
基金
地震科学联合基金
