Journal of Petrochemical Universities
Process Calculation for Nitrogen Through Ball Pigging of the Pier Offloading Pipelines
DU Mingjun,TANG Hongmei,XIONG Xinqiang,et al
Journal of Petrochemical Universities . 2013, (2): 71 -73 .  DOI: 10.3969/j.issn.1006396X.2013.02.016