10Jelen H,Wlazly K,Wasowicz E.all Solid-phase microextraction for the analysis of some alcohols and esters in beer:comparison with static headspace method. Journal of Agriculture . 1998
7ZHU S, LU X, JI K, et al. characterization of flavor compounds in Chi- nese liquor Moutai by comprehensive two-dimensional gas chromatog- raphy/time-of-flight mass spectrometry[J]. Anal Chim Acta, 2007, 597(2): 340-348.
8ZHANG J J, WANG Z F, SUN J B, et al. PLC modeling and checking based on formal method[J]. J Softw Eng Appl, 2010, 3(11): 1054- 1059.
9LIANG Q, LI L. The study of sott PLC running system [J]. Procedia Eng, 2011(15): 1234-1238.
