[1] KIEFER J, TRGER J W, LI Z S, et al. Laser-induced plasma in methane and dimethyl ether for flame ignition and combustion diagnostics［J］. Applied Physics B: Lasers and Optics, 2011, 103(1): 229-236.

[2] STAVROPOULOS P, MICHALAKOU A, SKEVIS G,et al. Quantitative local equivalence ratio determination in laminar premixed methane–air flames by laser induced breakdown spectroscopy (LIBS)［J］. Chemical Physics Letters, 2005, 404(4): 309-314.

[3] MA Cui-hong, LI Man, YANG You-liang. Quantitative analysis of the optimization of the molten steel composition based on the LIBS［J］.Journal of Hebei Polytechnic University: Social Science Edition, 2014, 36(4): 37-40.

[4] AGRAFENINA A V, BEZRUKOV P V. Plasma spectrometry laser ablation and excitation emission spectra (ALLOY, LIPS, LIBS) in ecology, biology and medicine (Review)［J］. Mikroelementy & Meditsine, 2014, 15(4): 8-22.

[5] HAMZAOUI S, KHLEIFIA R, JADANE N,et al. Quantitative analysis of pathological nails using laser-induced breakdown spectroscopy (LIBS) technique［J］ Lasers in Medical Science, 2011, 26(1): 79-83.

[6] SOLIMAN M, TAWFIK W, HARITH M A. Quantitativeelemental analysis of agricultural drainage water using laser induced breakdown spectroscopy［C］. First Cairo conference on plasma physics & applications. Cairo, Egypt, Forschungszentrum Juelich GmbH, Bilateral Seminars of the International Bureau. 2003, 34: 240-243.

[7] DONG Da-ming, ZHENG Wen-gang, ZHAO Chun-jiang et al. Determination of potassium in farmland soil using laser-induced breakdown spectroscopy［J］. Spectroscopy and Spectral Analysis,2013, 33(3): 785-789.

[8] LI Wen-bing, YAO Ming-yin, HUANG Lin, et al. Effect of characteristic variable extraction on accuracy of Cu in navel orange peel by LIBS［J］. Spectroscopy and Spectral Analysis, 2015, 35(7): 2021-2024.

[9] SHU R, QI H, LV G, et al. Laser-induced breakdown spectroscopy based detection of lunar soil simulants for moon exploration［J］. Chinese Optics Letters, 2007, 5(1): 58-59.

[10] HARRIS R D, CREMERS D A, KHOO C, et al. LIBS-based detection of geological samples at low pressures(<0.000 1 Torr) for Moon and asteroid exploration［C］. 36th Annual Lunar and Planetary Science Conference, in League City, Texas, abstract. 2005 ,1796, 14-18.

[11] MAO X, CHAN W T, CAETANO M, et al . Preferential vaporization and plasma shielding during nano-second laser ablation［J］. Applied Surface Science, 1996, 96-98(2): 126-130

[12] MARGETIC V, PAKULEV1 A, STOCKHAUS A, et al. A comparison of nanosecond and femtosecond laser-induced plasma spectroscopy of brass samples［J］. Spectrochimica Acta Part B, 2000, 55(11): 1771-1785

[13] CAPITELLI F, COLAO F, PROVENZANO M R., et al. Determination of heavy metals in soils by laser induced breakdown spectroscopy［J］. Geoderma, 2002, 106(1): 45-62

[14] AARON S E, DAVID A C, DONALD D, et al. Matrix effects in the detection of Pb and Ba in soils using laser induced breakdown spectroscopy［J］ .Applied Spectroscopy , 1996, 50(9): 1175-1181

[15] KRASNIKER R, BULATOV V, SCHECHTER I. Study of matrix effects in laser plasma spectroscopy by shock wave propagation［J］. Spectrochimica Acta Part B: Atomic Spectroscopy, 2001,56(6): 609-618.

[16] CASTLE B C. Laser-induced breakdown spectroscopy: fundamentals, instrumentation, and applications［D］. Florida: University of Florida, 1998.

[17] MATHY, MONFORT G,VANDERHEYDEN B TUSSET. Measurement of composition and temperature in blast furnace runners by using laser induced breakdown spectroscopy［J］. Metallurgical Analysis, 2011,31(10): 21-23.

[18] AGUILERA J A, ARAGN C, CAMPOS J,Determination of carbon content in steel using laser-induced breakdown spectroscopy［J］. Applied Spectroscopy, 1992, 46(9): 1382-1387.

[19] ARAGON C, AGUILERA J A, CAMPOS J, Determination of carbon content in molten steel using laser-induced breakdown spectroscopy［J］.Applied Spectroscopy,1993,47(5): 606-608.

[20] ZHAO Xiao-yan. Quantitative LIBSanalysis of carbon in pulverized coal by using multiple calibration method［J］. Chemical Management, 2016, 5(2): 129-131.

[22] CREMERS D A, EBINGER M H, BRESHEARS D D, et al. Measuring total soil carbon with laser-induced breakdown spectroscopy(LIBS) ［J］.Journal of Environmental Quality,2001,30(6): 2202-2206.

[23] MARTIN M Z, WULLSCHLEGER S D, GARTEN C T, et al, Laser-induced breakdown spectroscopy for the environmental determination of total carbon and nitrogen in soils［J］. Applied. Optics, 2003, 42(12): 2072-2077

[24] PAN G, DONG M, LU J, et al. Accuracy improvement of quantitative analysis of unburned carbon content in fly ash using laser induced breakdown spectroscopy［J］. Spectrochimica Acta Part B: Atomic Spectroscopy, 2017, 131(5): 26-31.

[25] YAO S, SHEN Y, YIN K, et al. Rapidly measuring unburned carbon in fly ash using molecular CN by laser-induced breakdown spectroscopy ［J］. Energy & Fuels, 2015, 29(2): 1257-1263.

[27] DONG Mei-rong, LU Ji-dong, CHEN Kai, et al. Properties of laser-induced breakdown spectroscopy of element speciation analysis of carbon ［J］. High Power Laser and Particle Beams, 2010, 22(2): 270-274.

[28] ZHONG Zi-ming, LU Ji-dong, ZHENG Jian-ping, et al. Study on properties of plasma spectroscopy of laser-induced carbon materials with different chemical forms ［J］. Acta Optica Sinica, 2011, 31(12): 275-281.

[29] DONG M, CHAN G C Y, MAO X, et al. Elucidation of C2 and CN formation mechanisms in laser-induced plasmas through correlation analysis of carbon isotopic ratio［J］. Spectrochimica Acta Part B: Atomic Spectroscopy, 2014, 100(10): 62-69.

[30] YU Jian-hua, DONG Mei-rong, LU Ji-dong, et al. Spectral characteristics analysis of laser-induced nitrogen in organic materials［J］. Acta Photonica Sinica, 2016, 45(10): 1030003.

[31] DONG M, MAO X, GONZALEZ J J, et al. Carbon isotope separation and molecular formation in laser induced plasmas by laser ablation molecular isotopic spectrometry［J］. Analytical Chemistry, 2013, 85(5): 2899-2906.

[32] NIST atomic spectra database lines form［EB］. http: //www.nist.gov/PhysRefData/ASD/lines_form.html

[33] HARILAL S S, ISSAC R C, BINDHU C V, et al. Time resolved study of CN band emission from plasma generated by laser irradiation of graphite［J］. Spectrochimica Acta Part A Molecular & Biomolecular Spectroscopy, 1997, 53(10): 1527-1536.

[34] SABSABI M, CIELO P. Quantitative analysis of aluminum alloys by laser-induced breakdown spectroscopy and plasma characterization［J］. Applied Spectroscopy, 1995,49(4): 499-507

[35] VIVIEN C, HERMANN J, PERRONE A, et al. A study of molecule formation during laser ablation of graphite in low-pressure nitrogen ［J］. Journal of Physics D-Applied Physics, 1998,31(10): 1263-1272.

[37] DONG M, LU J, YAO S, et al. Experimental study on the characteristics of molecular emission spectroscopy for the analysis of solid materials containing C and N［J］. Optical Express, 2011,19(18): 17021-17029.