I can't. According to the reality of Southwest Petroleum University in official website, the graduate students of Southwest Petroleum University need to publish a certain level of papers before they can graduate, so the graduate students of Southwest Petroleum University can't graduate without publishing periodical papers. Southwest Petroleum University, referred to as "Southwest Normal University" (SWPU), has its main campus in Chengdu, Sichuan Province, and is jointly established by the Ministry of Education, Sichuan and China Oil and Gas Group Co., Ltd., and sinopec group and China Offshore Oil Group Co., Ltd.