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中国科学院长春光学精密机械研究所 长春,130022
收稿日期:1992-12-07,
网络出版日期:1993-02-15,
纸质出版日期:1993-02-15
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邬云山, 朴仁官, 陈星旦. 近红外分析仪[J]. 光学精密工程, 1993,(1): 47-53
Wu Yunshan, Piao Renguan, Chen Xingdan. Near Infrared Analyzer[J]. Editorial Office of Optics and Precision Engineering, 1993,(1): 47-53
近红外分析是利用光谱方法快速、定量分析农产品(包括谷物、油料、饲料、烟草等
的主要成分
如蛋白质、脂肪、淀粉(糖)、纤维、水分等。本文介绍我们研制的9波长
4×4定标方程近红外分析仪的工作原理、仪器总体结构、电子学系统原理、计算机软硬件系统及测试结果。
Near Infrared Reflectance (NIR) analysis is a widely used method for the rapid analysis of grains
oilseeds
and feeds. The NIR technololgy relates the intensity of the diffuse reflectance as specific wavelengths from the surface of a sample to the composition of that sample. Various components of a given product have specific NIR absorption bands which will affect the reflectance of the sample as the concentration of each constituent changes. The reflectance at multiple wavelengths is recorded so that the concentration of several constituents can be determined with only one instrument reading to the sample. The analyzer uses advanced optics
electronics and computing techniques-all of which provide rapid sample analysis with high accuracy at an economical price. The product and constituent storage capacity is 4 (products) ? 4 (constituents) .
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