略語大辞典 [Phys] 30 NPT normal pressure and temperature 通常圧温度. 標準状態. 1気圧0゜C.normal pressure and temperature; or NTP(normal temperature and pressure);a standard condition; 0゜C, 1 atm; [Phys:Chem]. 丸善「略語大辞典」JLogosID : 11863218