| 单词 | near-infrared spectrophotometry |
| 释义 | near-infrared spectrophotometry [`nir ´in·frǝ`red ´spek·trō·fǝ`täm·ǝ·trē] ANALYTICAL CHEMISTRY Spectrophotometry at wavelengths in the near-infrared region, generally using instruments with quartz prisms in the monochromators and lead sulfide photoconductor cells as detectors to observe absorption bands which are harmonics of bands at longer wavelengths. |
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