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The methanolysis of polycarbonate (PC) was studied using ionic liquid [Bmim][Ac] as a catalyst. The effects of temperature, time, methanol dosage and [Bmim][Ac] dosage on the methanolysis reaction were examined. It was shown that the conversion of PC was nearly 100%, and the yield of bisphenol A (BPA) was over 95% under the following conditions:(More)
We present our research on the high energy picosecond laser operating at a repetition rate of 1 kHz and the high average power picosecond laser running at 100 kHz based on bulk Nd-doped crystals. With diode-pumped solid state (DPSS) hybrid amplifiers consisting of a picosecond oscillator, a regenerative amplifier, end-pumped single-pass amplifiers, and a(More)
Automatic initialization of human hand posture is an important task in human-machine interaction systems using hand gesture. We present a part-based 3D hand posture estimation approach which combines top-down with bottom-up approaches. We use a factor graphical structure model to inference hand pose with self-occlusions. The location probability(More)
With ongoing efforts to develop oligonucleotide-based (ODN-based) therapeutics, there is a need for a sensitive, high-throughput method of quantification of ODN-based drugs in biological matrices. To overcome the insufficient sensitivity and time-consuming sample extraction procedures involved in conventional capillary gel electrophoresis (CGE) and(More)
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