METHODS Using atomic absorption spectroscopy to determine the content of Pb, Cd, Cu, as and Hg in AMK samples collected from 12 different areas.
方法收集12个不同产地的白术样品，以原子吸收光谱法测定样品中的铅、镉、铜、砷和汞的含量。
CD (circular dichroism) spectroscopy was used to measure the circular dichroism of O-LLA segments in polymers.
以园二色谱(CD)测试了聚合物中聚乳酸链段的旋光性能。
The content of heavy metal in 3 kinds of radish in Yubei area of Henan province was determined by atomic absorption spectroscopy. The results show that there are more Pb and less Cd and Hg in radish.
用原子吸收分光光度法测定了河南豫北地区的三种萝卜中重金属元素。
The content of heavy metal in 3 kinds of radish in Yubei area of Henan province was determined by atomic absorption spectroscopy. The results show that there are more Pb and less Cd and Hg in radish.
用原子吸收分光光度法测定了河南豫北地区的三种萝卜中重金属元素。
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