This article studies the relationship between local society and social change in rural north China from the late Qing dynasty to the People's Republic of China period through the activity of"Zhuo huanggui&quo...This article studies the relationship between local society and social change in rural north China from the late Qing dynasty to the People's Republic of China period through the activity of"Zhuo huanggui"(literally,"Catching the Yellow Ghost")."Catching the Yellow Ghost"is a ritual activity in Guyi village,Wu'an county,Hebei province.According to villagers there,"Catching the Yellow Ghost"has been celebrated since the late Qing dynasty.However,due to political pressures in the 1950s,it was not until the 1980s that"Catching the Yellow Ghost"began to be revitalized.Since that time,"Catching the Yellow Ghost"has gained rapid popularity and fame in north China.Through the lens of the"Catching the Yellow Ghost"ritual,this article explores social transformation in China from the late 19th to the early 21st century.By analyzing the continuity and discontinuity of"Catching the Yellow Ghost,"this article offers a new understanding of the relationship between local society and social change in rural north China.展开更多
As a secondary pollutant of photochemical pollution,peroxyacetyl nitrate(PAN)has attracted a close attention.A four-month campaign was conducted at a rural site in North China Plain(NCP)including the measurement of PA...As a secondary pollutant of photochemical pollution,peroxyacetyl nitrate(PAN)has attracted a close attention.A four-month campaign was conducted at a rural site in North China Plain(NCP)including the measurement of PAN,O_(3),NO_(x),PM_(2.5),oxygenated volatile organic compounds(OVOCs),photolysis rate constants of NO_(2)and O_(3)and meteorological parameters to investigate the wintertime characterization of photochemistry from November 2018 to February 2019.The results showed that the maximum and mean values of PAN were 4.38 and 0.93±0.67 ppbv during the campaign,respectively.The PAN under different PM_(2.5)concentrations from below 75μg/m^(3)up to 250μg/m^(3),showed different diurnal variation and formation rate.In the PM_(2.5)concentration range of above 250μg/m^(3),PAN had the largest daily mean value of 0.64 ppbv and the fastest production rate of 0.33 ppbv/hr.From the perspective of PAN’s production mechanism,the light intensity and precursors concentrations under different PM_(2.5)pollution levels indicated that there were sufficient light intensity and high volatile organic compounds(VOCs)and NO_(x)precursors concentration even under severe pollution level to generate a large amount of PAN.Moreover,the bimodal staggering phenomenon of PAN and PM_(2.5)provided a basis that PAN might aggravate haze through secondary organic aerosols(SOA)formation.展开更多
文摘This article studies the relationship between local society and social change in rural north China from the late Qing dynasty to the People's Republic of China period through the activity of"Zhuo huanggui"(literally,"Catching the Yellow Ghost")."Catching the Yellow Ghost"is a ritual activity in Guyi village,Wu'an county,Hebei province.According to villagers there,"Catching the Yellow Ghost"has been celebrated since the late Qing dynasty.However,due to political pressures in the 1950s,it was not until the 1980s that"Catching the Yellow Ghost"began to be revitalized.Since that time,"Catching the Yellow Ghost"has gained rapid popularity and fame in north China.Through the lens of the"Catching the Yellow Ghost"ritual,this article explores social transformation in China from the late 19th to the early 21st century.By analyzing the continuity and discontinuity of"Catching the Yellow Ghost,"this article offers a new understanding of the relationship between local society and social change in rural north China.
基金supported by the National Natural Science Foundation of China(Nos.91843301,91743202,41805091)Ministry of Science and Technology of China(No.2016YFC0202700)+1 种基金National research program for key issues in air pollution control(Nos.DQGG0103,DQGG0102)Marie Sk?odowska-Curie Actions(No.690958-MARSU-RISE-2015)
文摘As a secondary pollutant of photochemical pollution,peroxyacetyl nitrate(PAN)has attracted a close attention.A four-month campaign was conducted at a rural site in North China Plain(NCP)including the measurement of PAN,O_(3),NO_(x),PM_(2.5),oxygenated volatile organic compounds(OVOCs),photolysis rate constants of NO_(2)and O_(3)and meteorological parameters to investigate the wintertime characterization of photochemistry from November 2018 to February 2019.The results showed that the maximum and mean values of PAN were 4.38 and 0.93±0.67 ppbv during the campaign,respectively.The PAN under different PM_(2.5)concentrations from below 75μg/m^(3)up to 250μg/m^(3),showed different diurnal variation and formation rate.In the PM_(2.5)concentration range of above 250μg/m^(3),PAN had the largest daily mean value of 0.64 ppbv and the fastest production rate of 0.33 ppbv/hr.From the perspective of PAN’s production mechanism,the light intensity and precursors concentrations under different PM_(2.5)pollution levels indicated that there were sufficient light intensity and high volatile organic compounds(VOCs)and NO_(x)precursors concentration even under severe pollution level to generate a large amount of PAN.Moreover,the bimodal staggering phenomenon of PAN and PM_(2.5)provided a basis that PAN might aggravate haze through secondary organic aerosols(SOA)formation.
