[2] Frins E, Bobrowski N, Osorio M, et al. Atmospheric Environment, 2014, 98: 347.
[3] Lee H, Ryu J, Jeong U, et al. Bull. Korean Chem. Soc., 2014, 35(12): 3427.
[4] Yao L, Garmash O, Bianchi F, et al. Science, 2018, 361(6399): 278-281.
[6] Price P N, Fischer M L, Gadgil A J, et al. Atmospheric Environment, 2001, 35(16): 2827.
[7] Casaballe N, Osorio M, Martino M D, et al. Earth & Space Science, 2017, 4: 723.
[8] Donoho D L. IEEE Transaction on Information Theory, 2006, 52(4): 1289.
[9] Niu T, Zhu L. Medical Physics, 2012, 39(7): 4588.