다양한 알루미나 제조 방법
알루미나(Al₂O₃) 제조는 다양한 방법이 있다.
대표적으로,
▶액상합성법:
전구체를 액상의 매체에서 반응시켜 최종 알루미나 분말을 제조하는 방법. Ex) Bayer법, sol-gel법
▶기상합성법:
전구체를 기상에서 열분해시켜 입자를 제조하는 방법.
내열성, 내식
flames consume them. A plastic-gloved lab assistant, silhouetted against
the flames, is emptying hospital waste into a furnace. He slams the door
shut.
He turns we see his face. Hes in his 4Os, handsome in a rough-hewn way - a
strong jaw and a muscular body. Theres a cool intelligence in his eyes,
but a two-day beard and a worn-out uniform make him look like a man who,
between youth and middle-ag
flames licking at his own parachute as it carries them slowly to earth. Even his helmet is on fire, but the man makes no sound as the flames erase all that matters - his name, his past, his face, his lover몭
2. EXT. THE DESERT. 1942. DAY.
THE PILOT HAS BEEN RESCUED BY BEDOUIN TRIBESMEN. Behind them the wreckage of the plane, still smoking, the Arabs picking over it. A SILVER THIMBLE glints in th
FLAME and EXPLODING MUD scatter above us. Men scream and die around us. The screams amid the GUNFIRE and EXPLOSIONS are piercing and terrible, as though the jungle itself is frightened.
An AMERICAN wearing a jungle hat with a large Peace Sign on it, wearing war paint, bends TOWARD US, reaching down TOWARD US with a large knife, preparing to scalp the dead.
OUR VIEW MOVES AWAY, along with the runn