Official Answer
Answer
Ubushyuhe bwa kirogenike (munsi ya $ -300 ^ {\ umuzenguruko} F $), ibyuma byinshi bya karubone hamwe nibyuma bimwe na bimwe bidafite ingese bigenda byoroha, bigahinduka ingaruka zo gutsindwa. 302 na 304 Ibyuma bitagira umuyonga bikomeza isura yububiko bwa cubic (FCC), butagaragaza iyi nzibacyuho. Ibi bikoresho bigumana guhindagurika no gukomera ku bushyuhe bwa azote. Kuri sisitemu yo mu kirere ya ogisijeni yo mu kirere (LOX), izo mpeta akenshi ziba passivat kuri ASTM A967 kugirango ikureho ibyuma byubusa hejuru kandi byongere urwego rwa oxyde ikingira.
