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1.
Huan Jing Ke Xue ; 34(3): 1062-6, 2013 Mar.
Article in Chinese | MEDLINE | ID: mdl-23745415

ABSTRACT

The Dajinshan Island is the highest altitude point in the nature land of Shanghai. In order to find out the status of soil heavy metals pollution of the Dajinshan Island and its correlation, this paper used the methods of grid and serpents sampling to collect samples, and applied the single factor pollution index method and potential ecological harm index method to assess the pollutions status. The results showed that the main contributor of soil heavy metal pollution in Dajinshan Island was Cd, with an over-standard rate of 85.4%, followed by Pb, with an over-standard rate of 26.8%, whereas Zn and Cu were not excessive. In addition, there was significant positive correlation between Pb-Cu, Pb-Zn and Cu-Zn at the level of P = 0.05, suggesting that they had high homology and were easily influenced by the soil forming materials. This was an indirect evidence that the Dajinshan Island was well protected and not much affected by human activities.


Subject(s)
Environmental Monitoring/methods , Metals, Heavy/analysis , Soil Pollutants/analysis , Cadmium/analysis , China , Lead/analysis
2.
Huan Jing Ke Xue ; 32(7): 1894-8, 2011 Jul.
Article in Chinese | MEDLINE | ID: mdl-21922806

ABSTRACT

In order to explore the correlation between the concentration of PM10, PM2.5 which were taken during the day of haze pollution and the average number of outpatient service, pediatrics. Based on the date with the number of pediatric outpatient and the concentration of PM2.5, PM10 which were taken form the haze days on 1 January 2009 - December 31 in 6 hospital in shanghai such as xinhuan hospital, we analyzed the data and executed the risk evaluation. The results showed that: in the haze day, when the average concentration of PM10 increase 50 microg/m3, the average number of the outpatient service and pediatric clinic increased 3% and 0.5%, when the average concentration of PM2.5 increase 34 microg/m3, the average number of the outpatient service and pediatric clinic increased 1.9% and 3.2%, Also, the pollution of PM10 and PM2.5 has a larger cumulative effects on the number of outpatient service. And the accumulation effect will be To maximize after 6 days behind the haze pollution. Thus, PM2.5, PM10 which were taken during the haze of pollution in shanghai, has certain influence on the average number of outpatient service, pediatric clinic.


Subject(s)
Air Pollutants/analysis , Outpatients/statistics & numerical data , Particulate Matter/analysis , Respiratory Tract Diseases/epidemiology , Adult , Child , China/epidemiology , Environmental Monitoring , Epidemiological Monitoring , Humans , Particle Size
3.
Guang Pu Xue Yu Guang Pu Fen Xi ; 26(3): 509-12, 2006 Mar.
Article in Chinese | MEDLINE | ID: mdl-16830767

ABSTRACT

The resonance light scattering (RLS) technique and UV-Vis absorption spectra were applied to the investigation of the interaction between atrazine and bovine serum albumin(BSA). Under acidic conditions, the formation of atrazine-BSA supermolecule by Van der Waals force and N/O--H...pi hydrogen bonds leads to a red shift of absorption band and strong RLS enhancement of atrazine. The characteristics and intensity of RLS were related to the pH, the concentration of atrazine, and temperature. Under the optimum conditions, the enhanced RLS intensities are in proportion to the concentration of BSA in the range of 0.05-100 microg x mL(-1). Based on the enhancement of the RLS, a simple and sensitive method for the determination of BSA was established. The detection limit (3sigma) is 12 ng x mL(-1). Synthesis samples were determined with satisfactory results.


Subject(s)
Atrazine/chemistry , Serum Albumin, Bovine/chemistry , Spectrometry, Fluorescence/methods , Spectrophotometry/methods , Animals , Cattle , Protein Binding
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