existing forms of nitrogen
existing forms of nitrogen
氮的存在形式
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Existing forms of nitrogen impurity and distributional characteristics ofisolated nitrogen in Hunan placer diamonds have been studied by means of EPR, violet-visible and IR spectroscopy.
利用顺磁共振、紫外-可见吸收光谱和红外吸收光谱研究了湖南砂矿金刚石中杂质氮的存在形式和孤氮的分布特点。
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