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基于拉曼光谱的PE膜包装食用农产品品质检测误差的校正方法.pdf

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基于拉曼光谱的PE膜包装食用农产品品质检测误差的校正方法.pdf

<p>38 &nbsp;, &nbsp;9 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Vol.38 ,No.9 ,pp2800-2805 2 0 1 8 &nbsp;9 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; SpectroscopyandSpectralAnalysis September ,2018 &nbsp; &nbsp; &nbsp; &nbsp; PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp;* , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; 100083 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;、 &nbsp; 、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; 、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp;Savitzky-Golay(SG)5 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; (16 &nbsp;) &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(1 158 &nbsp;1 528cm 1 ) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 158 &nbsp;1 528cm 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;81.4 &nbsp;103.1 , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;7.98 &nbsp;8.56 , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;0.95 &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;0.94。 &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1 158 &nbsp;1 528cm 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 7.9 8.6 &nbsp;8.1 8.6 ; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp;; &nbsp; &nbsp;;PE &nbsp; &nbsp;; &nbsp; &nbsp; ; &nbsp; ; &nbsp; &nbsp; &nbsp; &nbsp;:S2 &nbsp; &nbsp; &nbsp; :A &nbsp; DOI :10.3964j.issn.1000-0593(2018)09-2800-06 &nbsp; &nbsp;:2017-04-23 , &nbsp; &nbsp; :2017-09-19 &nbsp; &nbsp;: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (2016YFD0400905) &nbsp; &nbsp; &nbsp; : &nbsp; ,1992 &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;e-mail :799504307 qq.com * &nbsp; &nbsp; &nbsp; e-mail :ypeng cau.edu.cn &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 、 &nbsp; 、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp;, &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp;(chlorophyll ,Chl) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 。 &nbsp; &nbsp; &nbsp; &nbsp; ( &nbsp; ) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;2 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 3 , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 4 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;5 , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp;、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 6 。 &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; 、 &nbsp; 、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;、 &nbsp; &nbsp; 7 , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp;、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(PE)、 &nbsp; &nbsp; (PVC) &nbsp; &nbsp; &nbsp; &nbsp;(PVDC) &nbsp; &nbsp;8 , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; PE &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(PE)、 &nbsp; &nbsp; (PVC)、 &nbsp; &nbsp; &nbsp; (PVDC) &nbsp; &nbsp; &nbsp; (PMP) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;9 。 &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。AnupamKMisra &nbsp;10 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; 、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;; &nbsp; &nbsp; 11 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 、 &nbsp; &nbsp; 、 &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp;、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 1 &nbsp; &nbsp; 1.1 &nbsp; &nbsp; &nbsp; &nbsp;40 &nbsp; &nbsp;、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;( &nbsp; &nbsp;) , &nbsp; 10 &nbsp; &nbsp; &nbsp; ( &nbsp; &nbsp; )、10 &nbsp; &nbsp; &nbsp; ( &nbsp; ) &nbsp;10 &nbsp; &nbsp; &nbsp; ( &nbsp; &nbsp; &nbsp;)。 &nbsp; &nbsp; &nbsp; &nbsp;PE &nbsp; &nbsp;( &nbsp; &nbsp; 90 , &nbsp; 5 ) , &nbsp; &nbsp; &nbsp;PE &nbsp; &nbsp;(1 &nbsp;)、 &nbsp; PE &nbsp; &nbsp;(2 &nbsp;) &nbsp; &nbsp;PE &nbsp; &nbsp;(3 &nbsp;)。 &nbsp; &nbsp;、 &nbsp; &nbsp;、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp;。 1.2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(10785MM0350MS ,Innovative Photonic Solutions ,Mon- mouthJunction ,N.J.)、 &nbsp; &nbsp; &nbsp;(RamanExplorer 785 , HeadwallPhotonics ,Fitchburg ,Mass)、 &nbsp; &nbsp; &nbsp; &nbsp;(CCD) &nbsp; (AndorNewtonDU920PBR-DD ,AndorTechnol- ogy ,Inc ,SouthWindsor ,Conn.)、 &nbsp; 、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 02 400cm 1 。 1.3 &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 7.5mm 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;9 &nbsp; , &nbsp; &nbsp; 9 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1 &nbsp;、2 &nbsp;、3 &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp;3 &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; 、 &nbsp; 、 &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;3 &nbsp;, &nbsp; &nbsp; &nbsp; 1 &nbsp;、2 &nbsp;、3 &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp;9 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; : &nbsp; &nbsp; &nbsp;785nm , &nbsp; &nbsp; 450mW , &nbsp; &nbsp; &nbsp; 7s。 1.4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; 、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp;Savitzky-Golay (SG)5 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; Savitzky &nbsp;Golay &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;、 &nbsp; &nbsp; 12 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (airPLS) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 13 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (cor- relationcoefficient , &nbsp;c)、 &nbsp; &nbsp; &nbsp; &nbsp; (predictioncoef- ficient , &nbsp;p) &nbsp; &nbsp; &nbsp;。 2 &nbsp; &nbsp; &nbsp;2.1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; 1 158 &nbsp;1 528cm 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 158 &nbsp;1 528cm 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;C O C &nbsp;C C &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; a &nbsp;b &nbsp; &nbsp; &nbsp;14 。 &nbsp; ,1 158 &nbsp;1 528cm 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 2.2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;02 400 cm 1 , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 158 &nbsp;1 528cm 1 &nbsp;。 &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(1 158 &nbsp;1 528cm 1 ) &nbsp; , &nbsp; 1 0 8 2 &nbsp;9 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp;7s &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp;1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp;1 &nbsp; &nbsp; &nbsp; &nbsp;、 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;7 ,6 ,5 ,4 ,3 ,2 ,1s &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Fig.1 TheRamanspectrogramofcucumberswithdifferent integraltimeandwithoutbeingpackaged Andinthephoto ,thereareRamanspectrogramsofcucumberwithin- tegraltimeof 1 ,2 ,3 ,4 ,5 ,6and 7sfromtoptobottom 7s &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; , &nbsp; &nbsp; 7 &nbsp; &nbsp; &nbsp;, &nbsp;1 158cm 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;6 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp;2 &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;8 &nbsp;、7 &nbsp;、6 &nbsp;、5 &nbsp;、4 &nbsp;、3 &nbsp;、2 &nbsp;、1 &nbsp; &nbsp; &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 2.3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; 1 200 &nbsp;150、 &nbsp; &nbsp;0.1mm &nbsp;1 &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 200 &nbsp;1 &nbsp;、2 &nbsp;、 3 &nbsp;PE &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp;3 &nbsp;1 &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;。 &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; PE &nbsp; &nbsp; 905 ,1 061 ,1 128 ,1 301 &nbsp;1 438cm 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ( &nbsp;e &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;,e &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; )。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , 1 &nbsp;、2 &nbsp;、3 &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1 &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; 1 &nbsp;1 &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; , &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; 2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;PE &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1158 &nbsp;1528cm 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 8 &nbsp;、7 &nbsp;、6 &nbsp;、5 &nbsp;、4 &nbsp;、3 &nbsp;、2 &nbsp;、1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; :8 &nbsp;; &nbsp;:7 &nbsp;; &nbsp;:6 &nbsp;; &nbsp;:5 &nbsp;; &nbsp;:4 &nbsp;; &nbsp;:3 &nbsp;; &nbsp;:2 &nbsp;; &nbsp;:1 &nbsp;; &nbsp;: &nbsp; &nbsp; Fig.2 Theinfluenceof8 ,7 ,6 ,5 ,4 ,3 ,2 ,1andnolayersof PEclingfilmtoChlorophyllRamanspectrumcharac- teristicpeaksofcucumberspackagedin1158and1528 cm 1 fromtoptobottom &nbsp;:8layersofclingfilm ; &nbsp;:7layersofclingfilm ; &nbsp;:6layersofcling film ; &nbsp;:5layersofclingfilm ; &nbsp;:4layersofclingfilm ; &nbsp;:3layersof clingfilm ; &nbsp;:2layersofclingfilm ; &nbsp;:1layerofclingfilm ; &nbsp;:nocling film &nbsp;3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; :1 &nbsp;1 &nbsp;PE &nbsp; &nbsp;; &nbsp;:150 &nbsp;1 &nbsp;PE &nbsp; &nbsp;; &nbsp;:1 200 &nbsp;1 &nbsp;PE &nbsp; &nbsp;; &nbsp;:1 200 &nbsp;2 &nbsp;PE &nbsp; &nbsp;; &nbsp;:1 200 &nbsp;3 &nbsp;PE &nbsp; &nbsp;Fig.3 ThecontrastfiguresofRamanspectrumtestingresults &nbsp;:alayerofNo.1PEplasticwrap ; &nbsp;:150layersofNo.1PEplastic wrap ; &nbsp;:1 300layersof No.1 PE plasticwrap ; &nbsp;:1 200layersof No.2PEplasticwrap ; &nbsp;:1 200layersofNo.3PEplasticwrap &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 。 2.4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;, &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</p>

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