… : DC 12 V; – Power : 35 W / 55 W / 75 W; – Luminous flux : 3,800 lm; – Colour temperature : 3,000 K / 6,000 K / 1,000 K / 12,000 K. Application of GIRs 1 …
… normal hydrogen in which it occurs at a level of 1 part in 6,500. (2) Heavy water , which is deuterium oxide. Occurring in ordinary water at a level of 1 part in 6,500. It is normally obtained as a residue of the …
