polycyclic aromatic hydrocarbon


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polycyclic aromatic hydrocarbon

[‚päl·ē‚sī·klik ‚ar·ə‚mad·ik ′hī·drə‚kär·bən]
(organic chemistry)
A compound containing two or more fused benzene rings such as naphthalene or anthracene.
References in periodicals archive ?
Polycyclic aromatic hydrocarbons and organic matter associated to particulate matter emitted from atmospheric fluidized bed coal combustion // Environ.
Polycyclic aromatic hydrocarbons (PAHs) are a large group of organic contaminants, characterized by the presence of at least two fused aromatic rings.
Distribution and origins of polycyclic aromatic hydrocarbons (PAHs) in riverine, estuarine, and marine sediments in Thailand.
As a class of well known toxic compounds originating from incomplete combustion [1, 2, 3], polycyclic aromatic hydrocarbons (PAHs), normal hydrocarbons (NHs) are among the most important environmental contaminants in China [4] as well as all over the world.
Polycyclic aromatic hydrocarbons (PAHs) are common environmental contaminants that have been listed as priority pollutants by the United States Environmental Protection Agency.
Fetal window of vulnerability to airborne polycyclic aromatic hydrocarbons on proportional intrauterine growth restriction.
This contract relates to conducting analyzes to research the dosage of asbestos and polycyclic aromatic hydrocarbons on core sampling carried out on bituminous materials from the national road network in Lower Normandy, in accordance with the circular of 05/15/2013.
Our finding places snuff on the same list of major sources of exposure to polycyclic aromatic hydrocarbons as smoking cigarettes," said Dr.
The chapters cover microbial physiology and ecology, natural hydrocarbons in the environment, microbiology of methane and C1 compounds, biodegradation of methane and other C1 compounds, biodegradation of aliphatic and alicyclic hydrocarbons, biodegradation of monoaromatic and chloroaromatic hydrocarbons, biodegradation of polycyclic aromatic hydrocarbons, halogenated hydrocarbons and their biodegradations, biodegradation of ethers and ether fuels, biodegredation of hydrocarbons in the environment, application of molecular biology and protein engineering to the degradation of hydrocarbons, bioremediation treatments, microbiology of oil reservoirs, applications of petroleum microbiology to chemical synthesis, and microbial desulfurization of petroleum products.
NASA's Spitzer Space Telescope has shown complex organic molecules called polycyclic aromatic hydrocarbons (PAHs) are found in every nook and cranny of our galaxy.
In most winter-air samples, a cubic meter contained 60 to 80 micrograms each of particulate matter, nitrogen oxides, and sulfur dioxide and about 150 nanograms of polycyclic aromatic hydrocarbons, exceeding common regulatory limits.