[1] [1] Baxter L,Miles R,Miles R Jr.,et al.Fuel Process.Technol.,1998,54(1-3):47.

[2] [2] Knudsen J N,Jensen P A,Dam-Johansen K.Energy Fuels,2004,18(5):1385.

[3] [3] Li C Z.Fuel,2007,86(12-13):1664.

[4] [4] Zhang Z H,Song Q,Yao Q,et al.Energy Fuels,2012,26(3):1892.

[5] [5] Hahn D W,Omenetto N.Appl.Spectrosc.,2010,64(12):335A.

[6] [6] Hahn D W,Omenetto N.Appl.Spectrosc.,2012,66(4):347.

[7] [7] Cremers D A,Radziemski L J.Laser-Induced Breakdown Spectroscopy (LIBS):Fundamentals and Applications.Cambridge:Cambridge University Press,2006.

[9] [9] Blevins L,Shaddix C,Sickafoose S,et al.Appl.Optics,2003,42(30):6107.

[10] [10] Molina A,Walsh P,Shaddix C,et al.Appl.Optics,2006,45(18):4411.

[11] [11] He Y,Zhu J,Li B,et al.Energy Fuels,2013,27(2):1123.

[12] [12] Hsu L J,Alwahabi Z T,Nathan G J,et al.Appl.Spectrosc.,2011,65(6):684.

[13] [13] Winefordner J D,McGee W W,Mansfield J M,et al.Anal.Chim.Acta.,1966,36:25.