Xiudong You

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The gentamicin sulfate carried calcium sulfate (GSCS) implants were fabricated by the coagulating method, and the release rate of the gentamicin tested by UV-spectrometer and the absorbing rate of the calcium sulfate carrier in vitro were studied. The release patterns of two types of GSCS were compared. The trend of daily weight loss of GSCS was found being(More)
Highly porous chitosan (CS) monoliths were prepared by a unidirectional freeze-drying method and the adsorption performance of the monoliths for metal ions in aqueous solution was evaluated. The porous CS monoliths have excellent adsorption for a range of metal ions. The effect of the amount of porous CS monoliths, the pH, the adsorption time, the amount of(More)
Underwater recognition system uses targets' passing characteristic curves to recognize ship target. Formerly extraction target characteristic was mainly aimed at one certain physical field, but little analysis was done to the correlation between fields. In order to improve the probability of underwater recognition, this passage makes analysis of the(More)
Target detection is a key part of underwater acoustic signal detection. The target noise may conclude signals with symmetric distribution, which the third-order statistics are blind to. A fourth-order statistic method is proposed to detect underwater target radiated noises. The detection statistic is based on the diagonal slice of fourth-order cumulant and(More)
The bone-repairing composite material CS/PLLA was fabricated by mixing poly-L-lactic acid (PLLA) and calcium sulfate hemihydrate (CSH). The structure of the composite was analyzed with Infrared spectroscope, X-ray diffraction, and scanning electron microscope. The results indicated that the crystal pattern of calcium sulfate was affected by the addition of(More)
A novel hybrid biomaterial composed of calcium sulfate (CS) and gelatin (GEL) was prepared with the potential of being used as bone filler or scaffold owing to its osteoconduction. Such composite biomaterial, cross-linked or un-cross-linked, could provide a suitable absorbing rate and prevent the CS crystals migrating from the implant for tissue(More)
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