लेखक: Zhan Qu

Professor Qu Zhan received his Ph.D. degree in 1991 and is currently the President of Xi”an Shiyou University. His research interests include oil and gas engineering, applied mechanics, and communication technologies. He has directed projects supported by the National Natural Science Foundation and Shaanxi Provincial Natural Science Foundation. He received the first prize in the Shaanxi Provincial Science and Technology Award.  Dr. Jia”en Lin received his Ph.D. degree in Mechanical Engineering from Tsinghua University and is currently a Professor at Xi”an Shiyou University. He is an expert in gas engineering with extensive research and practical experience. He is the author of one book and has published 30 academic papers as the first author.