Objective To study postmortem degradation in rats skeletal muscle with fourier transform infrared spectroscopy (FTIR) and explore a new method to estimate postmortem interval (PMI).

目的应用傅立叶变换红外光谱（FTIR）分析大鼠死后骨骼肌随死亡时间推移的化学降解过程，为死亡时间推断提供新的研究方法。

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The multiholed polypropylene film modified by collagen is analyzed with Fourier Transform Infared Photoacoustic Specteoscopy (FTIR PAS) and Scanning electron Microscope (SEM).

用傅里叶变换红外光声光谱(FTIRPAS)和扫描电子显微镜(SEM)对表面涂覆胶原的聚丙烯微孔膜进行了分析。

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The structure of objective product was confirmed by characterization with Fourier transform infrared spectrum (FTIR), nuclear magnetic resonance (1H NMR) and mass spectrometer (MS).

并通过傅里叶变换红外光谱（ FTIR）、 核磁共振谱图（1H NMR）以及质谱（MS）对产物进行了表征，确定了目标产物的结构。

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The new single-laser fiber-optic speed record was set using a technique called fast Fourier transform that pulses light at an incredibly high rate with data encoded in 325 distinct colors across the spectrum.

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