[4] L’Hermite D, Vors E, Vercouter T, et al. Environmental Science and Pollution Research, 2016, 23(9): 8219.
[8] Dong Fengzhong, Chen Xinlong, Qi Wang, et al. Frontiers of Physics, 2012, 7(6): 679.
[11] Bhatt Chet R, Alfarraj Bader, Ghany Charles T, et al. Applied Spectroscopy, 2017, 71(4): 686.
[12] Sarkar A, Singh M. Plasma Science and Technology, 2017, 19(2): 025403.