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  • ...ar, releasing methane (CH<sub>4</sub>) and tar rich in polycyclic aromatic hydrocarbons (PAH). Other gasifiers are fed with previously pyrolysed char. Wood gas is
    11 KB (1,707 words) - 18:26, 24 June 2010
  • ...black liquid of high [[viscosity]], which smells of [[naphthalene]] and [[aromatic hydrocarbon]]s. Coal tar is among the by-products when [[coal]] is .... Coal tars are complex and variable mixtures of [[phenols]], [[polycyclic aromatic hydrocarbon]]s (PAHs), and [[heterocyclic compound]]s. It is a mixture of a
    5 KB (781 words) - 10:07, 20 September 2010
  • ...from crude coke oven tar, and is mainly composed of [[polycyclic aromatic hydrocarbons]] (PAHs), but also contains [[phenol]]s and [[cresols]].
    10 KB (1,614 words) - 10:12, 20 September 2010
  • ...arbon disulfide]], and composed primarily of highly condensed [[polycyclic aromatic hydrocarbon]]s. ...trophysics)|accretion]] of the Earth and reworked by bacteria that consume hydrocarbons.
    13 KB (1,945 words) - 10:12, 20 September 2010
  • ...tandard '''PS''', is an [[Aromaticity|aromatic]] [[polymer]] made from the aromatic [[monomer]] [[styrene]], a liquid [[hydrocarbon]] that is commercially manu ...y (1908–1985) developed pre-expanded PS beads by incorporating aliphatic hydrocarbons, such as pentane. These beads are the raw material for moulding parts or ex
    36 KB (5,017 words) - 10:14, 20 September 2010
  • ...rmaldehyde isocyanate]]s, [[hydrocarbon]]-based [[solvent]]s, [[polycyclic aromatic hydrocarbon]]s, [[polyoxypropylene diamine]], [[epoxy resin]]s, aliphatic [
    8 KB (1,154 words) - 21:30, 20 September 2010
  • ...over fifty known carcinogens, including [[nitrosamine]]s and [[polycyclic aromatic hydrocarbon]]s.<ref name=Kuper/> Tobacco is responsible for about one in th
    94 KB (13,321 words) - 21:32, 20 September 2010
  • ...lutants include [[dioxins]], [[particulate matter]], [[polycyclic aromatic hydrocarbons]], [[volatile organic compound]]s, [[carbon monoxide]], [[hexachlorobenzene
    6 KB (925 words) - 21:36, 20 September 2010
  • ...2228183</ref> [[Benzo(a)pyrene#Toxicity|Epoxidation of polycyclic aromatic hydrocarbons]] can produce [[carcinogenic]] metabolites, although there is no evidence t
    4 KB (576 words) - 22:08, 21 September 2010
  • [[Category:Polycyclic aromatic hydrocarbons]]
    2 KB (275 words) - 22:08, 21 September 2010