In this paper, as far as the ASP flooding in the pilot area of Daqing oilfield is concerned, the effect of apparent viscosity of ASP solution on enhanced oil re
The Eu^2+ and Dy^3+ codoped St2 MgSi2 O7 : Eu^2+ , Dy^3+ blue emission long afterglow phosphor was synthesized and its photoluminescence properties were studied
The West-East pipeline project attracted the attention from all over the world for its long distance, huge diameter, complex geographic conditions, and diversif