• A polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings. (wikipedia.org)
  • Biomass Fuel Harvesting in the Northern Forest: Effects on Stand Structural Complexity and In Situ Forest Carbon Storage , Keeton et. (sunkills.com)
  • He has also collaborated with U.S. EPA Region 10 on several projects, including the development of streamlined, risk-based screening software for indirect exposure to incinerator emissions, and compilation of seafood arsenic speciation and toxicity data. (exponent.com)
  • Reducing the Negative Human-Health Impacts of Bioenergy Crop Emissions Through Region-Specific Crop Selection , Porter et. (sunkills.com)
  • If you re the largest user of drinking water in an extremely arid region and you re also on the edge of a popular fishing and recreation area, you face a double challenge fresh water restrictions and low tolerance for wastewater emissions. (scienceagogo.com)
  • This step aims to combat carbon dioxide emissions and improve vehicle fuel efficiency. (chronicleindia.in)
  • The overarching goal is to minimize carbon emissions, promote sustainable mobility, and reduce reliance on conventional fuel sources. (chronicleindia.in)
  • Therefore, in this molecule the outer rings have greater aromatic character whereas the central ring is less aromatic and therefore more reactive. (wikipedia.org)
  • Mr. Karlberg's speculations and insinuations about what I may or may not have read, and that I must have come from "another region," (outer space? (nwcitizen.com)
  • However, the 36-acre Chlor-Alkali Area, which includes the Shipping Terminal land, was heavily contaminated, especially with mercury and polycyclic aromatic hydrocarbons, to levels that were potentially harmful. (nwcitizen.com)
  • Rethinking Forest Carbon Assessments to Account for Policy Institutions , MacIntosh et. (sunkills.com)
  • Polycyclic aromatic hydrocarbons are discussed as possible starting materials for abiotic syntheses of materials required by the earliest forms of life. (wikipedia.org)
  • According to Clar's rule, the resonance structure of a PAH that has the largest number of disjoint aromatic pi sextets-i.e. benzene-like moieties-is the most important for the characterization of the properties of that PAH. (wikipedia.org)
  • A polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings. (wikipedia.org)
  • There were marked seasonal variations in the aromatic amine levels. (who.int)
  • These residues were examined for higher altitudes in a subtropical region to determine possible variations in persistence, metabolism and characteristics. (readabstracts.com)
  • 2023. An in vitro model of human hematopoiesis identifies a regulatory role for the aryl hydrocarbon receptor. (nih.gov)
  • Marine sediments are an important source of information regarding human activities in coastal regions and the long-term fate of xenobiotics. (degruyter.com)