Agricultural sources and non-agricultural emissions contribute to gaseous ammonia (NH 3)
that plays a vital role in severe haze formation. Qualitative and quantitative contributions of …

pH is an important property of aerosol particles but is difficult to measure directly. Several
studies have estimated the pH values for fine particles in northern China winter haze using …

Atmospheric ammonia (NH3) has great environmental implications due to its important role
in ecosystem and global nitrogen cycle, as well as contribution to secondary particle …

Daily PM 2.5 samples were collected during winter 2012 and summer 2013 at an urban site
in Lanzhou and were analyzed for chemical compounds including water soluble inorganic …

In past decades, large amounts of N fertilizers have been applied in agricultural production
of China. N fertilizer has not only underpinned food production but also led to great concerns …

China is the world's largest emitter of gaseous ammonia (NH 3), a compound carrying
severe human health and ecosystem risks. Fertilizer N application is a major source of this …

Joint field observations were conducted from October to November in 2011 to observe haze
pollution in the Yangtze River Delta (YRD), China. Samples of particulate matter with …

The abundance, behavior, and source of chemical species in size-fractionated atmospheric
particle were studied with a 13-stage low pressure impactor (ELPI) during high polluted …

The real-time measurements of NH 3 and trace gases were conducted, in conjunction with
semi-continuous measurements of water-soluble ions in PM 2.5 at a rural site in the North …

PM 2.5 filter sampling was conducted on a daily basis for one year from 2011 to 2012 at an
urban site in Bei**g. One-third of the samples were subjected to chemical analysis …