Technetium-99 is obtained from Molybdenum-99.

锝- 99从钼- 99中获取。

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The researchers conducted fundamental chemistry tests to better understand technetium-99 and its unique challenges for storage.

研究人员进行了基础化学实验，了解锝- 99的特性及其存储方面的独特挑战。

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Technetium-99 is a byproduct of plutonium weapons production and is considered a major U. S. challenge for environmental cleanup.

锝- 99是武器级钚生产的副产物，它被认为是美国环境净化的主要挑战。

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It is also the source of around 90% of the discharge of technetium-99, a long-lived radionuclide that lingers in shellfish.

ECONOMIST: Nuclear energy

This would have the advantage of ending the production of radioactive waste, which must be stored, and of stopping the flushing of technetium-99, a new waste by-product of reprocessing, into the Irish Sea, which would please the Irish government.

ECONOMIST: The nuclear industry