TY - GEN AU - Yang,Dong-Yan AU - Li,Xiu-Jinz AU - Chen,Yuan-Yuan AU - Zou,Ben-Dong AU - Lin,An-Guo TI - [Characteristics of chemical compositions of precipitation in Beijing] SN - 0250-3301 PY - 2012///0430 KW - Acid Rain KW - analysis KW - Air Pollutants KW - China KW - Cities KW - Environmental Monitoring KW - Hydrogen-Ion Concentration KW - Quaternary Ammonium Compounds KW - Rain KW - chemistry KW - Seasons KW - Snow KW - Sulfur Dioxide KW - Water Movements N1 - Publication Type: Journal Article ER -