TY - Front. Optoelectron. A1 - Chenghong WU, Xinyang MIAO, Kun ZHAO T1 - Identifying PM2.5 samples collected in different environment by using terahertz time-domain spectroscopy Y1 - 2018-08-31 JF - Frontiers of Optoelectronics JO - Front. Optoelectron. SP - 256 EP - 260 VL - 11 IS - 3 UR - https://journal.hep.com.cn/foe N1 - 10.1007/s12200-018-0805-1 ER -