| Budget Amount *help |
¥23,010,000 (Direct Cost: ¥17,700,000、Indirect Cost: ¥5,310,000)
Fiscal Year 2016: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2015: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2014: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2013: ¥10,270,000 (Direct Cost: ¥7,900,000、Indirect Cost: ¥2,370,000)
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| Outline of Final Research Achievements |
Light absorption properties of primary organic aerosol (POA) and secondary organic aerosol (SOA) originated from vehicle exhaust, as well as enhancement of light absorption of black carbon (BC) by coating with other materials, were studied using spectroscopic techniques. Significant light absorption by POA and SOA was found under specific conditions, including vehicle type, running speed, and aging process. In addition, enhancement of light absorption of BC due to coating was observed after oxidation of volatile organic compounds and nitrogen oxides emitted from vehicles.
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