| In one method, naphthalene is oxidized with vanadium pentoxide to give phthalic anhydride. |
| Examples of transition metals include vanadium, chromium, iron, cobalt, manganese, nickel, scandium, yttrium, zirconium, silver, and gold. |
| For high strength grades, aluminum, vanadium, or columbium may be used for grain refinement. |
| Could you add carbon to titanium or vanadium to make them even harder and stronger? |
| There are large unexploited nickel deposits, and uranium, vanadium, and gold. |
| Among the most important minerals for supplementation are chromium, magnesium, and vanadium. |
