Synthesis and reactions of trinitro-9,10-phenanthrenequinone derivatives or dimethyl sulfoxide at room temperature, followed by acidification, gave
a stable red complex of 2
Преобразование структуры спеченной алюминиевой бронзы при свободной ковке.
To eliminate the defects that arise during sintering,
a pre-compacting operation combined with
shaping