Analysis of sealing performance of the rotary blowout preventer rubber ring in ultra deep wells
Zhiyong Wan, Nan An(Southwest Petroleum University), Ting Xie(Sun Yat-sen University), Zhanghua Lian(Southwest Petroleum University), Zhaoyang Zhao(University of Toronto), Junlin Shi(Southwest Petroleum University)
Cited by 7
Related Papers
STEM CELL NICHE: Structure and Function
|Annual Review of Cell and Developmental Biology|2005|1.2k
decapentaplegic Is Essential for the Maintenance and Division of Germline Stem Cells in the Drosophila Ovary
|Cell|1998|685