Yang, Dong-Yan <br/><br/>
[Characteristics of chemical compositions of precipitation in Beijing].  [electronic resource] 

 -  Huan jing ke xue= Huanjing kexue  Jul 2011 
 - 1867-73 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0250-3301 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acid Rain--analysis<br/>Air Pollutants--analysis<br/>China<br/>Cities<br/>Environmental Monitoring<br/>Hydrogen-Ion Concentration<br/>Quaternary Ammonium Compounds--analysis<br/>Rain--chemistry<br/>Seasons<br/>Snow--chemistry<br/>Sulfur Dioxide--analysis<br/>Water Movements