Occurrence of antibiotics and antibiotic resistance genes in soils from wastewater irrigation areas in the Pearl River Delta region, southern China

2018 ◽  
Vol 624 ◽  
pp. 145-152 ◽  
Author(s):  
Min Pan ◽  
L.M. Chu
2010 ◽  
Vol 10 (5) ◽  
pp. 2079-2089 ◽  
Author(s):  
X. Li ◽  
T. Brauers ◽  
M. Shao ◽  
R. M. Garland ◽  
T. Wagner ◽  
...  

Abstract. We performed MAX-DOAS measurements during the PRiDe-PRD2006 campaign in the Pearl River Delta region 50 km north of Guangzhou, China, for 4 weeks in June 2006. We used an instrument sampling at 7 different elevation angles between 3° and 90°. During 9 cloud-free days, differential slant column densities (DSCDs) of O4 (O2 dimer) absorptions between 351 nm and 389 nm were evaluated for 6 elevation angles. Here, we show that radiative transfer modeling of the DSCDS can be used to retrieve the aerosol extinction and the height of the boundary layer. A comparison of the aerosol extinction with simultaneously recorded, ground based nephelometer data shows excellent agreement.


2008 ◽  
Vol 8 (5) ◽  
pp. 17661-17690 ◽  
Author(s):  
X. Li ◽  
T. Brauers ◽  
M. Shao ◽  
R. M. Garland ◽  
T. Wagner ◽  
...  

Abstract. We performed MAX-DOAS measurements during the PRiDe-PRD2006 campaign in the Pearl River Delta region 50 km north of Guangzhou, China, for 4 weeks in June 2006. We used an instrument which simultaneously sampled the wavelength range from 292 nm to 443 nm at 7 different elevation angles between 3° and 90°. Here we show that the O4 (O2 dimer) absorption at 360 nm can be used to retrieve the aerosol extinction and the height of the boundary layer. A comparison with simultaneously recorded, ground based nephelometer data shows an excellent agreement.


2000 ◽  
Vol 9 (2) ◽  
pp. 137-169 ◽  
Author(s):  
Yuen-Fong Woon

Economic opportunities in the Pearl River Delta region in Southern China have attracted a large number of unmarried female temporary workers or dagongmei from the central and western regions of the country. Existing literature on the dagongmei tend to cast them into either “rebellious” or “filial” daughters. This study reexamines these ideal types based mainly on data gathered from in-depth interviews with 75 female and 55 male factory workers in 1993 and 1994. Data gathered from male workers allowed the study to compare behavior patterns and life plans of male and female temporary labor migrants. The study suggests that it might be more meaningful to understand the tension the dagongmei face in their desire to be independent and their sense of family obligation.


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