thorium ore 中文意思是什麼
thorium ore
解釋
釷礦石-
Determination of thorium in uranium ore concentrate by thorin photometric method
鈾礦石濃縮物中釷的測定釷試劑光度法 -
Thorium ore, uranium ore, or mixed ore of uranium and thorium in which the rate of content weight uranium and thorium is higher than five - ten thousandths
一釷礦物、鈾礦物或鈾釷混合之礦物,其含有鈾、釷之成份重量比在萬分之五以上者。
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