[1] Gong Chunbo, Wang Zhaoxia, Dong Fengguang, et al.. Contamination degree and health risk assessment of polycyclicaromatic hydrocarbons in edible vegetable oil[J]. China Oils and Fats, 2013, 38(5): 75-79.
[2] Tian Shumei, Cao Wanxin, Fang Xiaopu, et al.. Analysis on heavy metal pollution during the processing of edible vegetableoil[J]. Cereal and Food Industry, 2015, 22(3): 25-26.
[4] Xu Zhao, Wang Qi, Wu Jinhua, et al.. Investigation nuclide Cs of environment based on collinear double pulses laser-inducedbreakdown spectroscopy[J]. Laser & Optoelectronics Progress, 2015, 52(8): 083001.
[5] Wang Li, Xu Li, Zhou Yu, et al.. Dual-pulse laser-induced breakdown spectroscopy of Al element in AlCl3 aqueous and mixedcompound solutions[J]. Chinese J Lasers, 2014, 41(4): 0415003.
[6] Wang Chunlong, Liu Jianguo, Zhao Nanjing, et al.. Quantitative analysis of laser-induced breakdown spectroscopy of heavymetals in water based on support-vector machine regression[J]. Acta Optica Sinica, 2013, 33(3): 0330002.
[7] Liu Xiaona, Shi Xinyuan, Jia Shuaiyun, et al.. Rapid multi-elemental analysis on four precious tibetan medicines based onLIBS technique[J]. China Journal of Chinese Materia Medica, 2015, 40(11): 2239-2243.
[8] Yang Youliang, Wang Peng, Ma Cuihong. Quantitative analysis of Mn element in liquid steel by LIBS based on particle swarmoptimized support vector machine[J]. Laser & Optoelectronics Progress, 2015, 52(7): 073004.
[9] Kaszewska E A, Sylwestrzak M, Marczak J, et al.. Depth-resolved multilayer pigment identification in paintings combined use of laser-induced breakdown spectroscopy (LIBS) and optical coherence tomography (OCT)[J]. Applied Spectroscopy,2013, 67(8): 960-972.
[10] Xu Qinying, Zhang Yongbin, Wang Huaisheng, et al.. Detection of trace impurities in uranium using laser induced breakdownspectroscopy[J]. Chinese J Lasers, 2015, 42(3): 0315002.
[11] Nunesa L C, de Carvalhoa G G A, Júniorb D S, et al.. Determination of Cd, Cr and Pb in phosphate fertilizers by laser-inducedbreakdown spectroscopy[J]. Atomic Spectroscopy, 2014, 97: 42-48.
[12] Senesi G S, Dell' Aglio M, Gaudiuso R, et al.. Heavy metal concentrations in soils as determined by laser-induced breakdownspectroscopy (LIBS) with special emphasis on chromium[J]. Environmental Research, 2009, 109(4): 413-420.
[13] Lin Yongzeng, Yao Mingyin, Chen Tianbing, et al.. Detection of Cu and Cr in the soil of navel orange plantation in Gannanby LIBS[J]. Laser & Optoelectronics Progress, 2013, 50(5): 053002.
[14] Huang L, Yao M Y, Xu Y, et al.. Determination of Cr in water solution by laser-induced breakdown spectroscopy withdifferent univariate calibration models[J]. Applied Physics B, 2013, 111(1): 45-51.
[16] Meng Deshuo, Zhao Nanjing, Liu Wenqing, et al.. Quantitative measurement of Cr in soil using laser induced breakdownspectroscopy combined with standard addition method[J]. Chinese J Lasers, 2014, 41(7): 0715002.
[17] Liu Li. Precision improvement of laser-induced breakdown spectroscopy using relevant lines as internal standard[J]. Laser& Optoelectronics Progress, 2015, 52(7): 073006.
[18] Wu Ding, Hai Ran, Liu Ping, et al.. Preliminary study of identifying trench oil based on laser-induced breakdown spectroscopy[J]. Chinese Science Bulletin, 2014, 59(21): 2071-2076.
[19] Gu Yanping, Zhao Wenjie, Wu Zhansong. Least squares support vector machine algorithm[J]. Journal of Tsinghua University(Science & Technology), 2010, 50(7): 1063-1066.
[20] Chen Shuai, Zhu Jianning, Pan Jun, et al.. Parameters optimization of LS-SVM and its application[J]. Journal of East ChinaUniversity of Science and Technology (Natural Science Edition), 2008, 34(2): 278-282.
