| 21. | The American government wanted exclusivity on the Shinkolobwe uranium ore, but Sengier initially refused.
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| 22. | In Joachimsthal uranium ore, radium and polonium was discovered by Marie Curie in 1898.
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| 23. | This site will process uranium ore into gas, which will be enriched at Natanz.
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| 24. | In 1944, the Americans acquired a further of Uranium ore from the newly reopened mine.
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| 25. | It will convert uranium ore into gas that will be taken to Natanz for enrichment.
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| 26. | Gamma-ray energy spectrum of uranium ore ( inset ).
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| 27. | Until the creation of nuclear reactors, all polonium had to be extracted from uranium ore.
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| 28. | Several oil and gas companies developed uranium ore mines in New Mexico during that period.
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| 29. | Marie Curie began her investigations by testing a uranium ore called pitchblende with an electrometer.
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| 30. | Boardman had enclosed an egg-size rock containing uranium ore.
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