【作者】 黄冬兰； 徐永群； 彭翠红； 徐坦； 陈小康；

【Author】 HUANG Dong-lan~1 XU Yong-qun~2 PENG Cui-hong~2 XU Tan~3 CHEN Xiao-kang~2 1.Faculty of Chemistry and Light Engineering,GDUT,Guangzhou 510090,China 2.Department of Chemistry,ShaoGuan College,ShaoGuan 512005,China 3.Department of Equipment,ShaoGuan First People’s Hospital,ShaoGuan 512000,China

【机构】 广东工业大学轻工化工学院； 韶关学院化学系； 韶关市第一人民医院设备科；

【摘要】 测定了29个食用植物油样的三维荧光光谱（1-14:花生油;15-21:调和油;22-29:芝麻油）。用图像信息统计法,得到了三维荧光等高线指纹图谱分别在发射波长Em方向和激发波长Ex方向的一对特征谱I_Em和I_Ex和一个沿Em方向并带有Ex方向波长特性的特征谱I_Em(∑λ_Ex),并基于该三谱对食用植物油的三维荧光光谱进行了模式识别。结果表明:三特征谱均能以数值集的形式描述物质的荧光性质,具有特征性和可计算性。更多还原

【Abstract】 The 3D fluorescence spectra of 29 edible oil samples,such as peanut oil,seasoning oil and sesame oil,were measured in this paper（1-14:peanut oil;15-21:seasoning oil;22-29:sesame oil）.A couple of characteristic spectra(I_Em & I_Ex) of 3D flu- orescent contour plot,which were in the direction of emission wavelength and excition wavelength respectively,and the Charac- teristic Spectrum I_Em (Σλ_Ex) which was in the direction of emission wavelength and including the information of excition wave- length,were gained by statistical image information method.Based on three characteristic spectra,the 29 samples were identi- fied by pattern recognition technology.The results showed that the fluorescent properties of substance can be described in the form of numerical value by three Characteristic Spectra.It was Characteristic and computable.更多还原