15

Positron annihilation study of YBa2Cu3Oy superconductors doped with SnO2

Year:
1992
Language:
english
File:
PDF, 327 KB
english, 1992
20

Research of air-cushion isolation effects on high arch dam reservoir

Year:
2011
Language:
english
File:
PDF, 1.23 MB
english, 2011