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Browsing by Author "Simoneit, Bernd R. T."
Now showing items 1-18 of 18
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Simoneit, Bernd R. T.; Kobayashi, Minoru; Mochida, Michihiro; Kawamura, Kimitaka; Huebert, Barry J. (American Geophysical Union, 2004-09-17)Atmospheric particulate matter, collected over the polluted east Asia/Pacific region in spring 2001 during research flights with the National Center for Atmospheric Research (NCAR) C-130 aircraft, was analyzed for differ ...
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Rushdi, Ahmed I.; Al-Mutlaq, Khalid F.; Al-Otaibi, Mubarak; El-Mubarak, Aarif H.; Simoneit, Bernd R. T. (Springer, 2013-02)Air particulate matter (PM) samples were collected from June 2006 to May 2007 for determination chemical elements. PM samples were taken in two size fractions (PM₂.₅ and PM₁₀) with MiniVolume air samplers on rooftops of ...
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Simoneit, Bernd R. T.; Prahl, Fredrick; Leif, R. N.; Mao, S. Z. (College Station, Tex. : Ocean Drilling Program, Texas A & M University, 1994)The shallow sections of most holes drilled during Ocean Drilling Program Leg 139 contain alkenones derived from prymnesiophyte algae. The alkenones indicate a paleotemperature of the photic zone in the upper ocean durin ...
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Oros, Daniel R. (1999-09-24)Determination of the source and fate of natural (higher plant lipids, marine lipids, etc.) and anthropogenically (e.g., petroleum, coal emissions) derived hydrocarbons and oxygenated compounds in the environment was ac ...
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Characterization of organic aerosols emitted from the combustion of biomass indigenous to South Asia Sheesley, Rebecca J.; Schauer, James J.; Chowdhury, Zohir; Cass, Glen R.; Simoneit, Bernd R. T. (American Geophysical Union, 2003-05-13)Throughout South Asia biomass is commonly used as a fuel source for cooking and heating homes. The smoke from domestic use of these fuels is expected to be a major source of atmospheric particulate matter in the region a ...
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Simoneit, Bernd R. T.; Kobayashi, Minoru; Mochida, Michihiro; Kawamura, Kimitaka; Lee, Meehye; Lim, Ho-Jin; Turpin, Barbara J.; Komazaki, Yuichi (American Geophysical Union, 2004-09-17)The organic compound tracers of atmospheric particulate matter, as well as organic carbon (OC) and elemental carbon (EC), have been characterized for samples acquired during the Asian Pacific Regional Aerosol Characteriz ...
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Giri, Basant; Patel, Khageshwar S.; Jaiswal, Nitin K.; Sharma, Saroj; Ambade, Balram; Wang, Wentao; Simonich, Staci L. Massey; Simoneit, Bernd R. T. (Elsevier, 2013-02)Organic aerosols are important atmospheric components, and their formation and sources represent important aspects of urban air quality and health effects. Asia, including India, is the largest global source of aerosol ...
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Hildemann, Lynn M.; Rogge, Wolfgang F.; Cass, Glen R.; Mazurek, Monica A.; Simoneit, Bernd R. T. (American Geophysical Union, 1996-08-27)Field measurements of the n-alkanes present in fine atomospheric aerosols show a predominance of odd carbon numbered higher molecular weight homologues (C27–C33) that is characteristic of plant waxes. Utilizing a local l ...
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Ran, Baiyun; Simoneit, Bernd R. T. (College Station, Tex. : Ocean Drilling Program, Texas A & M University, 1994)High-temperature combustion oxidation measurements of nonvolatile dissolved organic carbon (DOC) have been determined for pore waters from sediments of Middle Valley, Ocean Drilling Program Leg 139, as well as for overl ...
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Lertwiwattrakul, Wimol (2000-12-06)β-SiC is a semiconductor for high temperature devices, which exhibits several outstanding properties such as high thermal stability, good chemical stability and wide band gap. There is a possibility of fabricating a crac ...
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Leif, Roald N. (1993-07-23)
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Simoneit, Bernd R. T. (College Station, Tex. : Ocean Drilling Program, Texas A & M University, 1994)The accelerated diagenesis, maturation, and catagenesis of organic matter to hydrothermal petroleum was studied in sediments from Ocean Drilling Program Leg 139 in Middle Valley, northern Juan de Fuca Ridge. Sediments a ...
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Rogge, Wolfgang F.; Hildemann, Lynn M.; Mazurek, Monica A.; Cass, Glen R.; Simoneit, Bernd R. T. (American Geophysical Union, 1996-08-27)An atmospheric transport model has been used to explore the relationship between source emissions and ambient air quality for individual particle phase organic compounds present in primary aerosol source emissions. An in ...
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Boni, M.; Simoneit, Bernd R. T.; Früh-Green, G. L.; Lief, R. N.; McKenzie, J. A. (College Station, Tex. : Ocean Drilling Program, Texas A & M University, 1994)Carbonate nodules and associated sediments from Ocean Drilling Program Leg 139 sites of the Middle Valley, Juan de Fuca Ridge, were studied using a combination of inorganic and organic geochemical techniques. The minera ...
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Chen, Xiaojing (1991-11-08)
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Medeiros, Patricia Matheus de (2006-06-01)Sources of polar/water-soluble organic compounds conjunctly with apolar biomarkers were characterized in natural organic matter. This multi-biomarker approach was accomplished by a simple analytical method consisting o ...
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Mochida, Michihiro; Kawamura, Kimitaka; Umemoto, Nobuhiko; Kobayashi, Minoru; Matsunaga, Sou; Lim, Ho-Jin; Turpin, Barbara J; Bates, Timothy S.; Simoneit, Bernd R. T. (American Geophysical Union, 2003-09-23)Aerosol sampling for major oxygenated organic compounds (dicarboxylic acids, fatty acids, and levoglucosan) was conducted from 15 March to 19 April 2001 on board the National Oceanic and Atmospheric Administration R/V Ro ...
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Whiticar, Michael J.; Faber, Eckhard; Whelan, Jean K.; Simoneit, Bernd R. T. (College Station, Tex. : Ocean Drilling Program, Texas A & M University, 1994)The sorbed gases at all four Ocean Drilling Program Leg 139 sites (855, 856, 857, and 858) showed the unmistakable presence of thermogenic hydrocarbons. No indication of abiogenic gas was found. The evidence for the the ...
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