| [1] | YANG Zh C, LIU J L, HE H G. Study on properties of Zhundong coal in Xinjiang region and type-selection for boilers burning this coal sort[J]. Thermal Power Generation, 2010, 39(8):38-40(in Chinese). |
| [2] | ZHANG J, HAN Ch L, YAN Zh, et al. The varying characterization of alkali metals (Na, K) from coal during the initial stage of coal combustion[J]. Energy & Fuels, 2001, 15(4):786-793. |
| [3] | LIU J, WANG Zh H, XIANG F P, et al.Modes of occurrence and transformation of alkali metals in Zhundong coal during combustion[J]. Journal of Fuel Chemistry and Technology, 2014, 42(3):316-322(in Chinese). |
| [4] | CHEN Ch, ZHANG Sh Y, LIU D H, et al.Existence form of sodium in high sodium coals from Xinjiang and its effect on combustion process[J]. Journal of Fuel Chemistry and Technology, 2013, 41(7):832-838(in Chinese). |
| [5] | YU Ch J, TANG Y L, FANG M X, et al. Experimental study on alkali emission during rice straw pyrolysis[J]. Journal of Zhejiang University (Engineering Science Edition), 2005, 39(9):1435-1444(in Chinese). |
| [6] | YAO Sh Ch, LU J D, XIE Ch L, et al. Quantitative analysis of laser induced carbon plasma by intensity ratio calibration[J]. High Power Laser and Particle Beams, 2008, 20(7):1089-1092(in Chinese). |
| [7] | ZHENG J P, LU J D, YAO Sh Ch, et al. Application review on laser-induced breakdown spectroscopy technology in coal analysis[J]. Guangdong Electric Power, 2012, 25(10):13-21(in Chinese). |
| [8] | YU L Y, LU J D, CHEN W, et al. Analysis of pulverized coal by laser-induced breakdown spectroscopy[J]. Plasma Science & Technology, 2005, 7(5):3041-3044. |
| [9] | LI J, LU J, LIN Z, et al. Effects of experimental parameters on elemental analysis of coal by laser-induced breakdown spectroscopy[J]. Optics & Laser Technology, 2009, 41(8):907-913. |
| [10] | FENG J, WANG Z, WEST L, et al. A PLS model based on dominant factor for coal analysis using laser-induced breakdown spectroscopy[J]. Analytical and Bioanalytical Chemistry, 2011, 400(10):3261-3271. doi: 10.1007/s00216-011-4865-y |
| [11] | HE Y, QIU K Z, WHIDDON R, et al. Release characteristic of different classes of sodium during combustion of Zhundong coal investigated by laser-induced breakdown spectroscopy[J]. Science Bulletin, 2015, 60(22):1927-1934. doi: 10.1007/s11434-015-0922-9 |
| [12] | HE Y, ZHU J J, LI B, et al. In-situ measurement of sodium and potassium release during oxy-fuel combustion of lignite using laser-induced breakdown spectroscopy:effects of O2 and CO2 concentration[J]. Energy & Fuels, 2013, 27(2):1123-1130. |
| [13] | BENSON S A, HOLM P L.Comparison of inorganics in three low-rank coals[J]. Industrial & Engineering Chemistry Product Research and Development, 1985, 24(1):145-149. |
| [14] | BODY D, CHADWICK B L. Optimization of the spectral data processing in a LIBS simultaneous elemental analysis system[J]. Spectrochimica Acta Part B:Atomic Spectroscopy, 2001, 56(6):725-736. doi: 10.1016/S0584-8547(01)00186-0 |
| [15] | FENG J. Study to improve the accuracy of LIBS measurement and the application to coal analysis[D]. Beijing: Tsinghua University, 2011: 22-25(in Chinese). |
| [16] | WANG Zh H, ZHU Zh B. Microscopic laser emission spectrum quantitative analysis on the fundamental formula[J]. Rock and Mineral Analysis, 1989, 2(9):149-151(in Chinese). |