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  • Title: [Observation on surface characters of particles emitted from gasoline and diesel motor vehicle].
    Author: Yang W, Sheehan C.
    Journal: Wei Sheng Yan Jiu; 1997 Mar; 26(2):84-6. PubMed ID: 10325607.
    Abstract:
    Surface compositions and morphological features of particles emitted from gasoline and diesel motor vehicle in Taiyuan were observed by scanning electron microscopy equipped with an energy dispersive X-ray spectrometer. The results showed that the surface of particles from gasoline motor vehicle contained larger amount of lead, amounting to 22.5% (average) among 15 elements measured; whereas the particles from diesel motor vehicle contained less lead, amounting to only 8%. But the size from diesel motor vehicle particle was smaller than those from gasoline motor vehicle, < or = 2 microns particles amounted to 73% and 62% of the total particles, respectively. The shapes of particles were irregular, with rough multiple-porous surface. The morphological features of particles from both motor vehicles were similar.
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