Application of a preamplifier in quartz enhanced photo-acoustic absorption spectrum
CHANG Heng-Tai, CHANG Jun, LIU Yong-Ning, WANG Fu-Peng, WANG Qiang
J4 . 2014, (2): 53 -57 .  DOI: 10.3976/j.issn.1002-4026.2014.02.011