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Environmental chamber (“smog chamber”) experiments were conducted to investigate secondary organic aerosol (SOA) production from dilute emissions from two medium-duty diesel vehicles (MDDVs) and three heavyduty diesel vehicles (HDDVs) under urban-like conditions. Some of the vehicles were equipped with emission control aftertreatment devices, including(More)
A large number of silicon (Si) patterns consisting of nanopillars of varying diameter and pitch have been fabricated and further coated with diamond-like carbon (DLC) and perfluoropolyether (Z-DOL) films. The wetting behavior and nano-adhesion/friction of the patterns are investigated experimentally in relation to the nanostructures and the hydrophobicity(More)
TiO2 thin film prepared by the atomic layer deposition (ALD) with supplies of Ti(O-i-Pr)4 and H2O have been analyzed using the difference X-ray reflectivity (DXRR). The thickness of buried interfacial layer (IL) embedded in between Si-substrate and TiO2 layer was characterized as a function of temperatures of 20, 300, and 500 degrees C mounted on an in-situ(More)
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