Sentences with phrase «gas phase mechanism»
Model additions include results from (i) quantum chemical calculations that clarify the previously uncertain gas phase mechanism of formation of MSA and (ii) a combination of published and experimental estimates of OSC emissions, such as those from marine, agricultural, and urban processes, which include pet waste and human breath.
http://www.pnas.org/ Not exact matches
About 10 years ago, chemists discovered a novel reaction mechanism in dissociation reactions of gas - phase molecules, called roaming.
Jerome Fast has lead a team of PNNL scientists that have contributed a gas - phase chemistry mechanism, an sectional aerosol model, cloud chemistry, cloud - aerosol interactions, and radiative feedback processes into the chemistry version of Weather Research and Forecasting (WRF - chem) model.
These theoretical studies firmly establish that the mechanism of gas phase MSA formation is occurring via hydrogen abstraction from organics by the CH3S (O)(O) O • radical.
Third, although many of the individual steps have been established experimentally (18), surprisingly, the mechanism of production of MSA from OSC gas phase oxidation by hydroxyl radicals (OH, daytime) and nitrate radicals (nighttime) remains unclear (31).
Deep taliks may be another plausible mechanism by which methane could be released from the giant gas fields — especially if those taliks are high in salt, and allow gas phase methane transport within the talik, and ultimately to the atmosphere.