| 11. | In addition to ferro niobium there are two large plants producing phosphates.
|
| 12. | Betafite is an important ore of thorium, uranium, and niobium.
|
| 13. | Niobium oxide is a hard ceramic material characterized by high metallic conductivity.
|
| 14. | In the reverse, the niobium portion depicts navigation satellites orbiting the Earth.
|
| 15. | Niobium was Columbia ", the poetical name for the United States.
|
| 16. | Copper, titanium, vanadium, and niobium are added for strengthening purposes.
|
| 17. | The superconducting portions of most current magnets are composed of niobium-titanium.
|
| 18. | Small amounts of niobium are added to stainless steel to improve its quality.
|
| 19. | Another niobium alloy was used for the nozzle of the Apollo Service Module.
|
| 20. | This confirmed that Charles Hatchett had discovered niobium in 1801 in columbite ore.
|
