Boqing Zhou

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A silane containing isocynate groups (3-(trimethoxysilyl) propyl cyanic acid ester, NCO) associated with hexamethyldisilazane (HDMS) is used to modify the surface of poly-(p-phenylene terephthalamide) (PPTA) pulps. As concerns surface chemistry, Attenuated Total Reflection Flourier Transformed Infrared Spectroscopy (ATR FT-IR) and X-ray photoelectron(More)
—In heterogeneous sensor networks (HSNs), which use existing key predistribution schemes, network security will significantly decline with time. In this paper, a continuous secure scheme is proposed based on two-dimensional backward key chains. In the scheme, powerful sensors do not need to be equipped with tamper-resistant hardware. Analysis and(More)
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