1200km . . [=X] [24 ] 1200km . . (UNIST, ) ( ) . , . 1200km . , , 3 . . km . ( ) . . . . , , . , · . . . . . [=] , , (mode) . . , , . (: Hyperloop Communications: Unveiling Electromag… [+127 chars]
1200km . . [=X] [24 ] 1200km . . (UNIST, ) ( ) . , . 1200km . , , 3 . . km . ( ) . . . . , , . , · . . . . . [=] , , (mode) . . , , . (: Hyperloop Communications: Unveiling Electromag… [+127 chars]
‘’ . Ia . Ia 15 9 17 . . . Ia 1.44 . Ia . 1996 12 . . . ‘ ’ . 1% . . , , , . . Ia . Ia . . , , , , , , , , 9 Ia . II . . 15 , , , , , 6 1a 10~100 . “ 6 ” . “ Ia ” . “ ” “ ” . 28… [+4 chars]
:2022-05-18 11:59 :2022-05-18 13:32
1200km . . [=X] [24 ] 1200km . . (UNIST, ) ( ) . , . 1200km . , , 3 . . km . ( ) . . . . , , . , · . . . . . [=] , , (mode) . . , , . (: Hyperloop Communications: Unveiling Electromag… [+127 chars]
1989 1 ‘ (Montreal Protocol on Substances that Deplete the Ozone Layer)’ (CFCl: ) . , , . (CFC-11: Fluorotrichloromethane), (CFC-12), (CFC-113), (CFC-114) . , 2000 , CFC-11 . 2002 2012 CFC-11 0.… [+674 chars]