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A creative suit of hardware scheme that generates physical self-similar traffic is proposed for the first time. A novel optical Ethernet network analyzer is developed by using this scheme. The analyzer transmits self-similar traffic for networks with different Hurst parameter. The packet loss probability, delay and jitter performance can be measured by the analyzer. With two well-known and effective...
Two new daphne diterpene esters Yuanhuajine (2) and Yuanhuagine (4), together with three known daphne diterpene esters yuanhuacine (1), yuanhuadine (3), and yuanhuapine (5), were isolated and identified from Daphne genkwa, a traditional Chinese medicine. Their structures were elucidated by a combination of UV, IR, MS and NMR ( 1 H NMR, 13 C NMR, HSQC, and HMBC) spectra. In order to...
Carbon-doped β-FeSi 2 films synthesized by ion implantation is investigated with the aim to fabricate high-quality semiconducting β-FeSi 2 layer on silicon substrate. According to our TEM cross-section observations, the carbon-doped films are of better quality than the non-doped ones for their improved uniform film thickness, smooth β/Si interface and high thermal stability. In particular,...
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