نتایج جستجو برای: 35 organic compounds
تعداد نتایج: 574896 فیلتر نتایج به سال:
Gasand particle-phase tailpipe emissions from latemodel medium duty diesel trucks are quantified using a twostage dilution source sampling system. The diesel trucks are driven through the hot-start Federal Test Procedure (FTP) urban driving cycle on a transient chassis dynamometer. Emission rates of 52 gas-phase volatile hydrocarbons, 67 semivolatile and 28 particle-phase organic compounds, and...
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The SAR11 Alphaproteobacteria are the most abundant heterotrophs in the oceans and are believed to play a major role in mineralizing marine dissolved organic carbon. Their genomes are among the smallest known for free-living heterotrophic cells, raising questions about how they successfully utilize complex organic matter with a limited metabolic repertoire. Here we show that conserved genes in ...
20 Aerosol-cloud interactions are affected by the rate at which water vapour condenses onto 21 particles during cloud droplet growth. Changes in droplet growth rates can impact cloud droplet 22 number and size distribution. The current study investigated droplet growth kinetics of acidic and 23 neutral sulfate particles which contained various amounts and types of organic compounds, from 24 mod...
Introduction & Objective: BTEX compounds (Benzene, Toluene, Ethylbenzene, Xylene iso-mers) are among the most consumed and dangerous volatile organic compounds which can cause adverse health effects in humans. The water pipe smoke contains numerous toxic compounds such as BTEX compounds.The aim of this study was to evaluate the personal exposure to BTEX compounds at traditional restaurants of H...
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