搜索结果: 1-12 共查到“大气化学 Molecular”相关记录12条 . 查询时间(0.068 秒)
Measurements and modelling of molecular iodine emissions, transport and photodestruction in the coastal region around Roscoff
molecular iodine photodestruction the coastal region around Roscoff
2010/12/28
Iodine emissions from the dominant six macroalgal species in the coastal regions around Roscoff, France, have been modelled to support the Reactive Halogens in the Marine Boundary Layer Experiment (RH...
Spectroscopic studies of molecular iodine emitted into the gas phase by seaweed
Spectroscopic studies molecular iodine the gas phase
2010/8/16
Time profiles of molecular iodine emissions from seven species of seaweed have been measured at high time resolution (7.5 s) by direct spectroscopic quantification of the gas phase I2 using broadband ...
In situ measurements of molecular iodine in the marine boundary layer: the link to macroalgae and the implications for O3, IO, OIO and NOx
molecular iodine the marine boundary layer macroalgae the implications for O3, IO, OIO and NOx
2010/8/13
Discrete in situ atmospheric measurements of molecular iodine (I2) were carried out at Mace Head and Mweenish Bay on the west coast of Ireland using diffusion denuders in combination with a gas chroma...
High-frequency urban measurements of molecular hydrogen and carbon monoxide in the United Kingdom
High-frequency urban measurements molecular hydrogen carbon monoxide the United Kingdom
2010/8/13
High-frequency measurements of atmospheric molecular hydrogen (H2) and carbon monoxide (CO) were made at an urban site in the United Kingdom (UK) from mid-December, 2008 until early March, 2009. Very ...
Molecular characterization of urban organic aerosol in tropical India: contributions of primary emissions and secondary photooxidation
Molecular characterization urban organic aerosol tropical India primary emissions secondary photooxidation
2010/8/12
Organic molecular composition of PM10 samples, collected at Chennai in tropical India, was studied using capillary gas chromatography/mass spectrometry. Fourteen organic compound classes were detected...
A consistent molecular hydrogen isotope chemistry scheme based on an independent bond approximation
molecular hydrogen isotope chemistry scheme independent bond approximation
2009/11/19
The isotopic composition of molecular hydrogen (H2) produced by photochemical oxidation of methane (CH4) and Volatile Organic Compounds (VOCs) is a key quantity in the global isotope budget of (H2). T...
Direct evidence for coastal iodine particles from Laminaria macroalgae – linkage to emissions of molecular iodine
coastal iodine particles Laminaria macroalgae molecular iodine
2009/2/25
Renewal of ultrafine aerosols in the marine boundary layer may lead to repopulation of the marine distribution and ultimately determine the concentration of cloud condensation nuclei (CCN). Thus the f...
Characterization of high molecular weight compounds in urban atmospheric particles
high molecular weight compounds urban atmospheric particles
2009/2/16
The chemical nature of a large mass fraction of ambient organic aerosol particles is not known. High molecular weight compounds (often named humic-like substances) have recently been detected by sever...
Low molecular weight organic acids in aerosol particles from Rondônia, Brazil, during the biomass-burning, transition and wet periods
Low molecular weight organic acids aerosol particles Brazil
2009/2/7
Particles from biomass burning and regional haze were sampled in Rondônia, Brazil, during dry, transition and wet periods from September to November 2002, as part of the LBA-SMOCC (Large-Scale B...
From molecular clusters to nanoparticles: second-generation ion-mediated nucleation model
molecular clusters nanoparticles second-generation ion-mediated nucleation model
2009/1/19
Ions, which are generated in the atmosphere by galactic cosmic rays and other ionization sources, may play an important role in the formation of atmospheric aerosols. In the paper, a new second-genera...
Investigating the composition of organic aerosol resulting from cyclohexene ozonolysis: low molecular weight and heterogeneous reaction products
organic aerosol cyclohexene ozonolysis low molecular weight heterogeneous reaction products
2009/1/16
The composition of organic aerosol formed from the gas phase ozonolysis of cyclohexene has been investigated in a smog chamber experiment. Comprehensive gas chromatography with time of flight mass spe...
The relative importance of competing pathways for the formation of high-molecular-weight peroxides in the ozonolysis of organic aerosol particles
competing pathways high-molecular-weight peroxides ozonolysis organic aerosol particles
2009/1/16
High-molecular-weight (HMW) organic compounds are an important component of atmospheric particles, although their origins, possibly including in situ formation pathways, remain incompletely understood...