Zobrazeno 1 - 2
of 2
pro vyhledávání: '"jiang wei Luo"'
Autor:
jiang wei Luo, Xingbao Li, Fansheng Ban, Yujie Zhu, Shaoyun Chen, Sheng Jin, Zhenhua Che, Jingnan Dong
Publikováno v:
All Days.
ABSTRACT: Drilling mud loss is of crucial importance in drilling. Lost circulation will extend the well construction period, cause investment losses, and even cause serious downhole accidents. In the Mizhi block of Changqing Oilfield targeted by this
Autor:
Tian-You, Yang, Jiang-Wei, Luo, Ren-Ming, Liu, Zong-Wei, Li, Zong-Yi, Li, Guang-Yong, Qing, Yu-Ping, Huo
Publikováno v:
Guang pu xue yu guang pu fen xi = Guang pu. 27(9)
The present article studied the fermentation liquid's absorption spectra, bacteria growth period and elastase' production in elastase fermentation, and compared and analyzed the their relation. The results show that the changes in the absorption spec