Detail of "10102-43-9"

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Analysis of the characteristics of complex chemical reaction mechanisms

Analysis of the characteristics of complex chemical reaction mechanisms. Application to photochemical smog chemistry. Leone, Joseph A.; Seinfeld, John H. (Dep. Chem. Eng., California Inst. Technol., Pasadena, CA 91125, USA).Some commonly used reagents like 10102-43-9 and 10028-15-6 are used in this experiment. Environ. Sci. Technol., 18(4), 280-7 (English) 1984. CODEN: ESTHAG. ISSN: 0013-936X. DOCUMENT TYPE: Journal CA Section: 59 (Air Pollution and Industrial Hygiene) Section cross-reference(s): 74 To elucidate the features of complex chem. reaction mechanisms, an anal. is introduced based on the use of so-called counter species, fictitious products added to the reactions in the mechanism that allow the detn. of the relative contributions of individual reactions to the overall behavior of the mechanism. The method is developed by considering a mechanism for the atm. photooxidn. of the 3 simplest aldehydes and is then applied, in a full-scale simulation, to analyze the behavior of a complex chem. reaction mechanism for photochem. smog. The method is shown capable of providing answers to previously inaccessible questions such as the relative contributions of individual hydrocarbons to photochem. O3 formation. Application of the counter-species concept to analyze complex environmental reaction mechanisms is straightforward and can be readily implemented in the std. routines in widespread use for solving sets of chem. reaction rate equations. .

Wind- and temperature-induced effects on mesospheric ion composition and inferred minor constituents

Wind- and temperature-induced effects on mesospheric ion composition and inferred minor constituents. Kopp, E.; Philbrick, C. R. (Phys. Inst., Univ. Bern, Bern CH-3012, Switz.). Eur. Space Agency, [Spec. Publ.] ESA SP, ESA SP-183, ESA Symp. Eur. Rocket Balloon Programmes Relat. Res., 6th, 41-6 (English) 1983. CODEN: ESPUD4. DOCUMENT TYPE: Report CA Section: 53 (Mineralogical and Geological Chemistry) The pos. ion compn., temp., and wind profiles were measured independently above Kiruna (Sweden). Ion chem. models of the D-region (ionosphere) predict a strong temp. dependence for the d. distribution of proton hydrates with different hydration order. Mesospheric temp. profiles derived from a steady-state ion chem. 10102-43-9 which is the cas registry number of some chemical is mentioned. model were compared with measured scale-height temp. from the accelerometer falling-sphere expts. The effect of strong, horizonal, neutral-air transport and ion drag became evident in the total pos.-ion d. profiles, derived from the ion mass spectrometer measurements. The NO profiles, inferred from the ion compn. measurements, show a pronounced d. depletion at 97-98 km. The NO-depletion feature correlates with regions of high wind and may result from transport effects on the NO. .