21

Comment on “Orbital angular momentum and nonparaxial light beams”

Year:
2010
Language:
english
File:
PDF, 112 KB
english, 2010
31

Hydrodynamics of upflow anaerobic sludge blanket reactors

Year:
2009
Language:
english
File:
PDF, 927 KB
english, 2009
33

Analysis on the Risk of Northeast Asia Regional Energy Security Cooperation

Year:
2012
Language:
english
File:
PDF, 296 KB
english, 2012