在肠内被吸收以前游离碘或碘酸盐还原成碘化物。

In the intestine, free iodine or iodate undergoes reduction to iodide before absorption.

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结果表明，HPLC和纸层析法均能有效分离标记物和游离碘，且HPLC测定这种标记物的RCP最为精确可信。

It is shown that both HPLC and paper chromatography can separate the labelings from free iodine efficiently, though HPLC is the most precise and reliable method to determinate RCP of such labelings.

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两组患者分别于术后或停药后第2、3、4周测定血清促甲状腺素(TSH)、游离三碘甲状腺原氨酸(FT3)和游离甲状腺素(FT4)水平。

Serum thyroid stimulating hormone (TSH), free triiodothyronine (FT3) and free tetraiodothyronine (FT4) levels were detected after operation or 2, 3 and 4 weeks after drug withdrawl.

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