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soot

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The morphologies of various kinds of <b>soot</b> as seen using the SEM. ( a ) <b>Soot</b>...
Published: 01 July 2005
Fig. 7.  The morphologies of various kinds of soot as seen using the SEM. ( a ) Soot from the 2002 Hayman wildfire in Colorado, which represents soot produced by biomass burning. ( b ) Soot from the Hayman wildfire that has been subjected to a 600 h dichromate etch process as used by Wolbach et
Image
Anthropogenic aerosol particles. ( A ) <b>Soot</b> collected from the exhaust of a...
in > Elements
Published: 01 August 2010
F igure 2 Anthropogenic aerosol particles. ( A ) Soot collected from the exhaust of a diesel car engine. ( B ) Bright-field transmission electron microscope (TEM) image of (Fe,Cr,Ni)-spinel particles emitted during soldering of steel components. Inset: Energy-dispersive X-ray spectrum
Image
Anthropogenic aerosol particles. ( A ) <b>Soot</b> collected from the exhaust of a...
in > Elements
Published: 01 August 2010
F igure 2 Anthropogenic aerosol particles. ( A ) Soot collected from the exhaust of a diesel car engine. ( B ) Bright-field transmission electron microscope (TEM) image of (Fe,Cr,Ni)-spinel particles emitted during soldering of steel components. Inset: Energy-dispersive X-ray spectrum
Image
Part of a <b>soot</b> particle aggregate collected from a diesel tailpipe exhaust....
in > Elements
Published: 01 December 2008
Part of a soot particle aggregate collected from a diesel tailpipe exhaust. Each soot spherule in this aggregate is a few tens of nanometers in diameter.
Image
Scanning electron microscope photos. A: Aciniform <b>soot</b> from acetylene combu...
in > Geology
Published: 01 May 2008
Figure 1. Scanning electron microscope photos. A: Aciniform soot from acetylene combustion. Note “grape bunch” morphology. B: Industrial contaminant carbon cenospheres from Monte Pietralata (Italy). Note porous morphology that distinguishes industrial contaminants from Cretaceous-Paleogene (K-P
Image
Size distributions of <b>soot</b> and minerals from the quarry samples. Ten random...
Published: 01 April 2003
F ig . 4. Size distributions of soot and minerals from the quarry samples. Ten random, low-resolution, images were taken of each filter, and all particles on these images measured by image analysis. Particle numbers therefore varied for each sample, depending on the density of distribution
Image
Size distributions of <b>soot</b> and minerals from the Morganstown samples. Ten r...
Published: 01 April 2003
F ig . 5. Size distributions of soot and minerals from the Morganstown samples. Ten random, low-resolution, images were taken of each filter, and all particles on these images measured by image analysis. Particle numbers therefore varied for each sample, depending on the density of distribution
Journal Article
Journal: Geology
Published: 01 December 2003
Geology (2003) 31 (12): 1061-1064.
...Claire M. Belcher; Margaret E. Collinson; Arthur R. Sweet; Alan R. Hildebrand; Andrew C. Scott Abstract High soot contents have been reported in Cretaceous-Tertiary (K-T) sedimentary rocks, leading to the suggestion that the amount of thermal power delivered from the Chicxulub impact was sufficient...
FIGURES
Journal Article
Journal: Geology
Published: 01 May 2008
Geology (2008) 36 (5): 355-358.
...Figure 1. Scanning electron microscope photos. A: Aciniform soot from acetylene combustion. Note “grape bunch” morphology. B: Industrial contaminant carbon cenospheres from Monte Pietralata (Italy). Note porous morphology that distinguishes industrial contaminants from Cretaceous-Paleogene (K-P...
FIGURES
Journal Article
Published: 01 April 2003
Mineralogical Magazine (2003) 67 (2): 153-162.
...F ig . 4. Size distributions of soot and minerals from the quarry samples. Ten random, low-resolution, images were taken of each filter, and all particles on these images measured by image analysis. Particle numbers therefore varied for each sample, depending on the density of distribution...
FIGURES | View All (5)
Series: GSA Special Papers
Published: 01 September 2010
DOI: 10.1130/2010.2465(17)
...; palynomorph, soot, and geochemical analyses; and physical searches for impact ejecta. The impact ejecta–bearing Crow Creek Member of the marine Pierre Shale can be correlated to the SB2 discontinuity in the Judith River and Two Medicine Formations of Montana based on radiometric dates, ammonite zonation...
Journal Article
Published: 01 July 2005
Journal of the Geological Society (2005) 162 (4): 591-602.
...Fig. 7.  The morphologies of various kinds of soot as seen using the SEM. ( a ) Soot from the 2002 Hayman wildfire in Colorado, which represents soot produced by biomass burning. ( b ) Soot from the Hayman wildfire that has been subjected to a 600 h dichromate etch process as used by Wolbach et...
FIGURES | View All (8)
Series: Geological Society, London, Special Publications
Published: 01 January 2010
DOI: 10.1144/SP331.22
EISBN: 9781862395794
.... ( a ) Location of the study sites. ( b ) Soot-encrusted and deteriorating stonework studied at New College. ( c ) Deteriorating stonework at the Worcester College entrance site with the resistivity survey in process. We have studied five sections of historic wall in Oxford city centre in detail in order...
FIGURES | View All (8)
Series: GSA Special Papers
Published: 01 January 2007
DOI: 10.1130/2008.2437(05)
... matter and highly volatile components in the target rock resulted in colossal and intense fires in the impact area, both in the air and on the seafloor. This hypothesis is supported by numerical simulations and explains the large quantities of soot that have been found in samples associated...
FIGURES | View All (5)
Series: Geological Society, London, Special Publications
Published: 01 January 2007
DOI: 10.1144/GSL.SP.2007.271.01.13
EISBN: 9781862395190
... a shift from high levels of sulphate deposition from coal burning to a blackening process dominated by diesel soot and nitrogen deposition from vehicular sources in cities. Blackening of light-coloured fabric eventually reaches a point where it becomes publicly unacceptable. Public opinion can assist...
FIGURES | View All (8)
Journal Article
Published: 01 December 2003
Mineralogical Magazine (2003) 67 (6): 1231-1241.
... microscopy, and electron microprobe microanalysis. The most common dust included quartz, gypsum, coke, soot, hematite, magnetite, wüstite, bassanite, graphite and various K-, Fe- and Mg-bearing aluminosilicates, in order of decreasing abundance. Minor phases included α-iron, sulphur, sphalerite, halite...
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Journal Article
Published: 01 April 2003
Mineralogical Magazine (2003) 67 (2): 141-152.
... mining vehicular and mechanical activity, contribute towards opencast particulate matter. Therefore, a second dust comprising of a 50/50 by weight mixture of the surrogate mineral dust and diesel soot was also examined (PSW + DEP). These dusts and DEP (weak biological reactivity) and α-quartz (high...
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Series: Geological Society, London, Special Publications
Published: 01 January 2002
DOI: 10.1144/GSL.SP.2002.205.01.24
EISBN: 9781862394537
... (fly-ash, soot) cemented by a framework of gypsum crystals. On calcareous stones, in-depth sulphation of the stone substrate may also occur at the same time. On porous calcareous stones, the black crusts detach periodically forming black slabs, creating a white, grey and black jigsaw-like pattern...
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Journal Article
Published: 01 November 1997
Bulletin de la Société Géologique de France (1997) 168 (6): 783-793.
... boundary, samples are far poorer in planktic foraminifer specimens than those from the uppermost Maastrichtian and include 16 Tertiary species. Moreover, together with this extinction event there are impact markers (iridium and Ni-rich spinels), as well as a high concentration of soot at the beginning...
Journal Article
Published: 01 April 1989
American Mineralogist (1989) 74 (3-4): 367-383.
.... Rounded particles, morphologically similar to various C soots, were also observed, and it is suggested that these may catalyze the oxidation of SO 2 to H 2 SO 4 . The atmospheric chemistry relating to acid deposition is presented and interpreted in terms of the gas concentrations and rain chemistry...