On the calibration methods of intelligent orifice flow-meter
ZHAO Ning,NIU Lina,LIANG Yujiao,CHEN Shiyan,TIAN Pengfei
Journal of Hebei University (Natural Science Edition) . 2015, (5): 546 -551 .  DOI: 10.3969/j.issn.1000-1565.2015.05.017