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We report a novel method for large scale catalyst-free zinc oxide nanowires (ZnO NWs) network growth on Si substrate using chemical vapor deposition (CVD). The SiO2 layer of the Si substrate is photoetched to SiO2 square pillar array which works as the growth core of urchin-like ZnO NW lump, and the NWs cross over each other forming an integrated network. This method achieves controlled growth of...
Dynamic binary translation (DBT) is a just-in-time technology of compiler. It is used to support the binary translation, dynamic optimization, program instrumentation, virtualization and so on. How to improve performance is the core research issues about dynamic binary translation technology. Many researches show that how to handle the indirect branch instruction has a key impact about the performance...
For the specific environment of the University Library, LANDMARC system model has been built to simulate and analyze the k-nearest neighbors algorithm of LANDMARC. Because the accuracy of the k-nearest neighbors algorithm used in the books postioning is not enough, in this paper, the improved the k-nearest neighbors algorithm has been proposed. The simulation results prove that the accuracy of improved...
Titanium dioxide photocatalytic thin films were prepared using method of microarc oxidation. Effects of concentration of methylene blue (MB), object (congo red, MB, methyl orange, methyl red) intensity of illumination, accelerator concentration, reaction time and oxygen concentration on photocatalytic capability were studied. The results show that photocatalytic efficiency for MB solution is better...
In this paper, the effect of Node-B scheduling algorithms on High Speed uplink Packet Access (HSUPA) with E-TFC selection is evaluated. Node-B scheduling as the key technique of HSUPA is important for the performance. The scheduling algorithms, Proportional-Fair (PF) and Round-Robin (RR), as the key components of Node-B scheduling are presented and studied in the case of HSUPA here. With the modeling...
In this paper, the performance of High Speed uplink Packet Access (HSUPA) with mixed traffic (voice traffic and packet traffic) is studied by a simplified method. The principle of a simple method for mixed traffic study in HSUPA is presented. Then the system including E-TFC selection, Node-B scheduling algorithm such as Proportional-Fair (PF), L1 HARQ and physical channels is modeled for this study...
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