| 21. | For the next century, molybdenum had no industrial use.
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| 22. | A ruthenium-molybdenum alloy is known to be K.
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| 23. | Most compositions include molybdenum; some, aluminium or titanium.
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| 24. | Henan has the second largest molybdenum reserves in the world.
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| 25. | East European countries imported Cuban nickel, and Mongolian molybdenum and copper.
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| 26. | Molybdenum is the most commonly used of the refractory metals.
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| 27. | With the salt of phosphorus, it yields molybdenum beads.
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| 28. | Polyoxomolybdates include the wheel-shaped molybdenum blue anions and spherical keplerates.
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| 29. | ASTM standards recognize 7 tungsten types and 17 molybdenum types.
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| 30. | The presence of molybdenum trace impurities occasionally results in a green glow.
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