而美国没有发现切尔诺贝利事故的影响，可能是太远了，到达美国的放射性原子浓度不够高，Scherb补充说。
No post-Chernobyl effect was seen in the U.S., which was presumably too far away for the radioactive atoms to reach in sufficiently high amounts, Scherb added.
原子吸收光谱法已证明是一种用于测定痕量的金属浓度的灵活多用的仪器。
Atomic absorption spectroscopy has proved to be a versatile tool in measuring concentrations of trace metals.
原子态氢浓度是金刚石长大的主要参数，它主要受到活化方法的能量密度的影响。
The main parameter for diamond growth is the atomic hydrogen concentration, which is mainly influenced by the power density of the activation method.
原子态氢浓度是金刚石长大的主要参数，它主要受到活化方法的能量密度的影响。
The main parameter for diamond growth is the atomic hydrogen concentration, which is mainly influenced by the power density of the activation method.
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