Particulate matters (PMs) were collected in stacks from two types of ultralow emission coal-fired power plants by a heated electrical lowpressure impactor (HT-ELPI + ), including ultralow emission pulverized combustion technology boilers (ULPCBs) and ultralow emission circulating fluidized bed boilers (ULCFBs). The characteristics of organic carbon (OC) and elemental carbon (EC) in size-resolved particles were analyzed. The ultralow emission technologies significantly decreased the mass concentrations of the carbonaceous content, and the emission concentrations of OC and EC ranged from 5.64 to 17.9 μg/m 3 for ULPCBs and from 0.57 to 1.85 μg/m 3 for ULCFBs. However, the number concentration of particles was not significantly decreased in the four ultralow emission power plants. The OC in the particle emission of ULPCBs presents a bimodal size distribution with the particle size, while three successive unimodal distributions were observed in the ULCFB emission. Compared to ULPCBs, much more char-EC and soot-EC condensed in the particles, which were collected from ULCFBs. Furthermore, the char-EC/soot-EC in the particle fractions of ULPCBs characterized by the "V" type with the sequence of PM 1.0 > PM 2.5−10 > PM 1.0−2.5 , differing from the PM 1.0 > PM 1.0−2.5 > PM 2.5−10 of ULCFBs. The ratios of OC/EC in the stacks from two types of boilers did not show obvious variations in particle size distributions, and the mean OC/EC was far higher than those for nonultralow emission power plants. Considering the impact of OC 1 , OC 4 , and EC 1 , the ratio of high-temperature organic carbon (HTOC, defined as OC 2 + OC 3 ) and soot-EC was studied. The HTOC/soot-EC increased with the increase of RH in the stack, and the highest HTOC/soot-EC values were obtained from ULPCBs (33.0% (PM 1.0 ), 11.4% (PM 1.0−2.5 ), and 23.9% (PM 2.5−10 )). Meanwhile, strong correlations (0.69−0.85, p < 0.001) between HTOC and soot-EC were obtained, implying that HTOC and soot-EC probably simultaneously condensed in the purification equipment.

After hip-hop increased in popularity in Chinese entertainment programs, different perceptions of hip-hop in China reflected a clash of various thinking patterns among audiences, with hip-hop club Triple H on the cusp of controversy. Taking Triple H as a case study, this paper aims to explore how emotional attachments influence the development of Chinese hip-hop clubs in post-subculture. The findings indicated that the brotherhood rooted in hip-hop culture has been reshaped by the hybridity of Chinese hip-hop featuring fraternity mixed with sensitivity, loyalty filled with controversy, and heroism heightened by diversity. This paper argues that the recurring theme of “brotherhood” contributing to the charisma of Chinese hip-hop clubs cannot be partially interpreted as either gangster love or an underground bond, which gives rise to a new approach to the notion of authenticity, with hip-hop interpreted as a distinctive lifestyle.