نتایج جستجو برای: aerosols

تعداد نتایج: 12165  

2014
N. Jeannet M. Fierz H. Burtscher M. Kalberer M. Geiser

indicate a near-100% deposition efficiency of the aerosol entering the precipitator. The final objective is to have a precipitator, for which the particle deposition rate can be calculated as a function of particle size and operating conditions. Cite abstract as Author(s) (2014), Title, Aerosol Technology 2014, Karlsruhe, Abstract T260A03

2013
X. Chi M. O. Andreae

Introduction Conclusions References

1998
Z. Li

As a potential offsetting agent to the greenhouse effect, aerosols are receiving increasing attention in the atmospheric science community. Notwithstanding, our knowledge of the impact of aerosols on radiation and climate is rather poor and falls well behind that of the greenhouse effect (IPCC 1995). Direct radiative forcing (DRF) of aerosols is an important climatic parameter measuring the inf...

Journal: :Environmental Health Perspectives 1989
P J Lioy J M Waldman

Exposures to acidic aerosol in the atmosphere are calculated from data reported in the scientific literature. The majority of date was not derived from studies necessarily designed to examine human exposures. Most of the studies were designed to investigate the characteristics of the atmosphere. However, the measurements were useful in defining two potential exposure situations: regional stagna...

2013
T Kanitz A Ansmann R Engelmann D Althausen

Shipborne aerosol lidar observations were performed aboard the research vessel Polarstern in 2009 and 2010 during three north-south cruises from about 50°N to 50°S. The aerosol data set provides an excellent opportunity to characterize and contrast the vertical aerosol distribution over the Atlantic Ocean in the polluted northern and relatively clean southern hemisphere. Three case studies, an ...

2003
Heather R. Luckarift Glenn R. Johnson GLENN R. JOHNSON SANDRA R. MEEKER

Journal: :international journal of environmental research 2012
h. katsura

it is very important to determine the stable nitrogen isotope ratio for the nitrogenous substances in aerosols and the geochemistry behavior of stable nitrate ion isotopes in aerosols in order to elucidate the chemical and physical functions of clouds. hence, aerosol field sampling was conducted in the skies offshore from malibu beach and santa barbara, california, u.s.a. on 16 and 18 july 200...

Journal: :international journal of environmental research 0
h. katsura the united graduate school of agricultural science, tokyo university of agriculture & technology, saiwai-cho 3-chome, fuchu-shi, tokyo 183-8509, japan, university of tsukuba s.h.s. at sakado, chiyoda 1-chome, sakado-shi, saitama-ken 350-0214, japan

it is very important to determine the stable nitrogen isotope ratio for the nitrogenous substances in aerosols and the geochemistry behavior of stable nitrate ion isotopes in aerosols in order to elucidate the chemical and physical functions of clouds. hence, aerosol field sampling was conducted in the skies offshore from malibu beach and santa barbara, california, u.s.a. on 16 and 18 july 2009...

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