他们发现反射的光线波谱中缺少红外线波长——这段光线被水分子吸收了。
The reflected light was found to be missing infrared wavelengths that are absorbed by water molecules.
不可见，我指的是它不吸收地磁波谱。
By invisible I mean it doesn't absorb in the electromagnetic spectrum.
利用红外吸收光谱及核磁共振波谱仪的一维和二维技术对一种未知聚合物试样进行鉴定。
An unknown polymer was determined by one-dimension and two-dimension technologies of infrared absorption spectroscopy and nuclear magnetic resonance.
制备了其有关物质二聚物，并通过波谱数据及原子吸收分光光度法鉴定了其化学结构，还测定了该化合物在制剂中的含量。
This chemosynthetic dimer substance was elucidated by spectra analysis and atomic absorption spectrophotometry. Meanwhile the dimer was determined by UPLC-MS for its content in the preparations.
制备了其有关物质二聚物，并通过波谱数据及原子吸收分光光度法鉴定了其化学结构，还测定了该化合物在制剂中的含量。
This chemosynthetic dimer substance was elucidated by spectra analysis and atomic absorption spectrophotometry. Meanwhile the dimer was determined by UPLC-MS for its content in the preparations.
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