Results 91 to 100 of about 5,580 (187)

Gas/particle partitioning of carbonyls in the photooxidation of isoprene and 1,3,5-trimethylbenzene [PDF]

Atmospheric Chemistry and Physics, 2008
A new denuder-filter sampling technique has been used to investigate the gas/particle partitioning behaviour of the carbonyl products from the photooxidation of isoprene and 1,3,5-trimethylbenzene. A series of experiments was performed in two atmospheric
R. M. Healy, J. C. Wenger, A. Metzger, J. Duplissy, M. Kalberer, J. Dommen   +5 more
doaj  

Isoprene Degradation in the Terrestrial Environment

, 2017
Isoprene production comprises of one third of the total global hydrocarbon release, and influences atmospheric chemistry, including increasing global temperatures and raising ozone concentrations.
Murphy, Gordon P
core  

Extreme weather exacerbates ozone pollution in the Pearl River Delta, China: role of natural processes [PDF]

Atmospheric Chemistry and Physics
Ozone (O3) pollution research and management in China have mainly focused on anthropogenic emissions, while the importance of natural processes is often overlooked. With the increasing frequency of extreme weather events, the role of natural processes in
N. Wang, H. Wang, X. Huang, X. Chen, Y. Zou, T. Deng, T. Li, X. Lyu, F. Yang   +8 more
doaj   +1 more source

The continental source of glyoxal estimated by the synergistic use of spaceborne measurements and inverse modelling [PDF]

Atmospheric Chemistry and Physics, 2009
Tropospheric glyoxal and formaldehyde columns retrieved from the SCIAMACHY satellite instrument in 2005 are used with the IMAGESv2 global chemistry-transport model and its adjoint in a two-compound inversion scheme designed to estimate the continental ...
A. Richter, J. P. Burrows, F. Wittrock, M. Vrekoussis, M. Kanakidou, M. Van Roozendael, I. De Smedt, J.-F. Müller, T. Stavrakou   +8 more
doaj  

Isomerization of OH-Isoprene Adducts and Hydroxyalkoxy Isoprene Radicals

, 2016
This paper employs quantum chemical methods to investigate gaps in our understanding of the fates of radical intermediates in the OH-initiated degradation of isoprene.
Theodore S. Dibble (1503436)
core   +1 more source

Chemiluminescence-based evaluation of styrene block copolymers’ recyclability

Scientific Reports
The study presents the chemiluminescence based (CL) evaluation of the recyclability of linear styrene block copolymers. This analysis can provide insight into the material’s degradation state and predict its suitability for further recycling cycles ...
Marius Bumbac, Traian Zaharescu, Cristina Mihaela Nicolescu, Tunde Borbath, Istvan Borbath   +4 more
doaj   +1 more source

SCIAMACHY formaldehyde observations: constraint for isoprene emission estimates over Europe? [PDF]

Atmospheric Chemistry and Physics, 2009
Formaldehyde (HCHO) is an important intermediate compound in the degradation of volatile organic compounds (VOCs) in the troposphere. Sources of HCHO are largely dominated by its secondary production from VOC oxidation, methane and isoprene being the ...
G. Dufour, F. Wittrock, M. Camredon, M. Beekmann, A. Richter, B. Aumont, J. P. Burrows   +6 more
doaj  

What drives isoprene in tropical Australia?

, 2019
Isoprene is the dominant biogenic svolatile organic compound (BVOC) emitted from plants across the globe, with a mass of 400-600 Tg emitted annually.
Rebecca Leigh Wilson (12311006)
core   +1 more source

Unexpected Epoxide Formation in the Gas-Phase Photooxidation of Isoprene [PDF]

, 2009
Emissions of nonmethane hydrocarbon compounds to the atmosphere from the biosphere exceed those from anthropogenic activity. Isoprene, a five-carbon diene, contributes more than 40% of these emissions.
Paulot, Fabien, Crounse, John D., Kürten, Andreas, Kjaergaard, Henrik G, Crounse, John D, Kuerten, Adreas, St Clair, Jason M, Wennberg, Paul O, Seinfeld, John H., Kjaergaard, Henrik G., St. Clair, Jason M., Wennberg, Paul O., Seinfeld, John H   +12 more
core   +1 more source

Using total OH reactivity to assess isoprene photooxidation via measurement and model

, 2014
The Tropics provide a reactive atmospheric environment with high levels of biogenic emissions, rapidly growing anthropogenic influence, high solar radiation and temperature levels.
Williams, J., Auld, J., Butler, T., Muñoz, A., Lelieveld, J., Taraborrelli, D., Nölscher, A., Vereecken, L., Veres, P.   +8 more
core   +1 more source