… (b) Calaverite, telluride of gold and silver. (c) Cerargyrites (or horn silver), silver chlorides and iodides. … (e) Proustite, sulphide of silver and arsenic. (f) Pyrargyrite, sulphide of silver and antimony. (g) …
… this sulphate is used as a reagent in analysis, and in metallurgy (to separate polonium from tellurium). … germanium oxide is the dioxide (GeO 2 ) obtained in the metallurgy of the metal from natural copper germano‑sulphide … anhydride, tungsten trioxide) (WO 3 ), obtained in the metallurgy of this metal by treating the natural tungstates …
… of material. The machine uses selective application of an energy source, e.g., lasers, resistors, electron beams or UV … sheets together to form a composite material. (7) Directed energy deposition machines, which use electron beams to melt …
… as pavements (sidewalks), paths, and bicycle lanes. Their technology allows the rider to stand upright while a system composed of gyroscope sensors and multiple onboard microprocessors …
… covers : (1) The primary materials of iron and steel metallurgy (pig iron, spiegeleisen, ferro‑alloys, ferrous … products obtained by direct reduction of iron ore and other spongy ferrous products, waste and scrap and remelting scrap …
