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DMS oxidation in the Antarctic marine boundary layer - Comparison of model simulations and field observations of DMS, DMSO, DMSO2, H2SO4(g), MSA(g), and MSA(p)

作者:科技文献资料网 时间:2018-10-19 11:44:53  浏览:8731   来源:科技文献资料网
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[唯一标识符]:CDSITC.AEROSPACE.A98-17060
[文献来源]:美国航空航天数据库(aerospace)
[资源原始索取号]:A1998-17060; Reference AN: A98-17060
[标题]:DMS oxidation in the Antarctic marine boundary layer - Comparison of model simulations and field observations of DMS, DMSO, DMSO2, H2SO4(g), MSA(g), and MSA(p)
[作者]:Davis D; Chen G; Kasibhatla P; Jefferson A; Tanner D; Eisele F; Lenschow D; Neff W; Berresheim H
[来源]:Journal-of-Geophysical-Research. 1998 January; vol. 103, no. D1: 1657-1678
[文摘]:A sulfur field study (SCATE) at Palmer Station Antarctica (January 18 to February 25, 1998) has revealed several major new findings concerning dimethyl sulfide (DMS) oxidation chemistry and the cycling of sulfur within the Antarctic environment. Significant evidence was found supporting the notion that the OH/DMS addition reaction is a major source of dimethyl sulfoxide (DMSO). Methane sulfonic acid (MSA(g)) levels were also found to be consistent with an OH/DMS addition mechanism involving the sequential oxidation of the products DMSO and methane sulfinic acid (MSIA). Evidence supporting the hypothesis that the OH/DMS addition reaction, as well as follow-on reactions involving OH/DMSO, are a major source of SO2 was significant, but not conclusive. No evidence could be found supporting the notion that reactive intermediates (i.e., SO3) other than SO2 were an important source of H2SO4. One of the major findings of SCATE was the recognition that a large fraction of the Antarctic oxidative cycle for DMS (near Palmer Station) took place above the boundary layer. (Author)
[关键词]:ATMOSPHERIC CHEMISTRY; ANTARCTIC REGIONS; ATMOSPHERIC BOUNDARY LAYER; MARINE ENVIRONMENTS; SULFUR ; DIMETHYL COMPOUNDS; SULFUR COMPOUNDS; OXIDES ; SULFURIC ACID
[出版年份]:1998
[专业领域]:GEOPHYSICS
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[唯一标识符]:CDSTIC.ISTP.1325127
[文献来源]:科学技术会议录索引(ISTP)
[文献类型]:科技会议
[标题]:Living-Related Partial Liver-Transplantation in Pediatric-Patients
[作者]:M Haberal;N Bilgin;N Buyukpamukcu;H Karakayali;G Moray;G Arslan
[出版单位]:Elsevier Science IncNew York
[ISSN_ISBN]:0041-1345
[会议名称]:4th Congress of the Turkish-Transplantation-Society,Ankara, Turkey,November 5-7, 1997
[来源]:TRANSPLANTATION PROCEEDINGS,pp 706-707
[主办单位]:Turkish Transplantat Soc
[地址]:M Haberal,Fevzi_Cakmak_CAD_10_Sok_45, TR-06490 Ankara, Turkey
[专业领域]:Transplantation,Surgery,Immunology
[文献类型]:科技报告
[标题]:Fiber Strength Utilization in Carbon/Carbon Composites.
[作者]:zaldivar, r. j. rellick, g. s.
[机构]:Aerospace Corp.,El Segundo,CA. Engineering and Technology Group.
[关键词]:carbon fibers,tensile strength,composite materials,carbon carbon composites,crack propagation,deflection,degradation,drops,epoxy resins,failure,fibers,filaments,heat treatment,interfaces,plastics,processing,propagation,room temperature,structures,surfaces,transfer,unidirectional,utilization,fiber reinforcement,pyrolysis,matrix materials,cracking(fracturing),stress analysis,thermal stresses,poly(acetylene/aryl),ntisdodxa
[出版年份]:1993
[报告号]:Rept no. TR-92(2935)-1
[报告时间]:15May 93,
[页码]:34p
[馆藏索取号]:AD-A267713
[总页数]:36



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