The relationship between the transmittance and leaching effect of the glasses was discussed by measuring UV VIS NIR spectrum.
用光谱仪测定多孔玻璃的紫外可见近红外光谱，对光谱透过率与浸析效果之间的关系作了定性分析。
So extracting effective information from NIR spectrum and optimizing the original spectrum data are crucial to develop ideal mathematical model in NIRS.
从原始光谱中提取有效信息，对原始数据进行优化处理，成为近红外光谱分析中建立较理想数学模型的关键。
A novel portable NIR spectrum instrument based on acoustooptic tunable filter is presented. The instrument can be applied to detect the ingredient concentration of liquid food.
提出了一种新型的基于声光可调滤光器(AOTF)的便携式近红外光谱测量仪，该仪器可用于液态食品的组分浓度的测量。
A novel portable NIR spectrum instrument based on acoustooptic tunable filter is presented. The instrument can be applied to detect the ingredient concentration of liquid food.
提出了一种新型的基于声光可调滤光器(AOTF)的便携式近红外光谱测量仪，该仪器可用于液态食品的组分浓度的测量。
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