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RISS 인기검색어
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- 저자 : Hsiu-Po Kuo (검색결과 2 건)
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Photocatalytic degradation of toluene in a staged fluidized bed reactor using TiO2/silica gel
Hsiu-Po Kuo,Shang-Wen Yao,An-Ni Huang,Wan-Yi Hsu 한국화학공학회 2017 Korean Journal of Chemical Engineering Vol.34 No.1
Relatively high concentration toluene is photocatalytically degraded in a multi-stage fluidized bed reactor continuously. The fluidizing media are titanium dioxide deposited silica gel particles, which are prepared by the doping sol-gel method. The effects of the Ti/Si atomic ratio, the inlet gas flow rates, and the number of the stages on the toluene removal efficiency were evaluated. The highest toluene removal efficiency is obtained when the fluidizing media are with the Ti/Si atomic ratio of 1.25. The apparent reaction orders are 0.4-0.5 for the single-stage system and 0.7 for the two-stage system, respectively. With an inlet toluene concentration of 1,000 ppm, a relative humidity of 30% and a volumetric flow rate of 10 L/min, the removal efficiency of toluene at the steady state is as high as 80% and is maintained in the 6-hr experimental time.
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Current Indications for Spinal Endoscopic Surgery and Potential for Future Expansion
Kuo-Tai Chen,김진성,Abel Po-Hao Huang,Martin Hsiu-Chu Lin,Chien-Min Chen 대한척추신경외과학회 2023 Neurospine Vol.20 No.1
Endoscopic spine surgery (ESS) has evolved as a safe, effective, and efficient alternative for minimally invasive spine surgery (MISS). The innovation of full-endoscopic systems makes definitive decompression surgery through different approaches feasible. The approach can be determined according to the location of the target lesion or the surgeon's preference. During the past 2 decades, ESS has expanded its indications from lumbar to cervical spines. Except for decompression, endoscopy-assisted fusion surgery is also developing. However, ESS is still evolving and has a steep learning curve. The revolution of technologies and ESS techniques will enable surgeons to treat various spinal diseases more practically. In recent years, the application of the computer-assisted navigation system and augmented reality have reformed imaging quality and interpretation. The endoscopic rhizotomy techniques have opened a new way for MISS of chronic low back pain. This review introduces the current indications of ESS and its potential future expansion.
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