• Title/Summary/Keyword: regeneration

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Quantitative Analysis of ${\mu}$-CT about Neo-Bone Regeneration on Mouse Calvarial Defected Model (신생 뼈의 재생에 관한 마우스 두개골 결손모델 시 마이크로 시티의 정량적 분석법)

  • Jung, Hong-Moon
    • Korean Journal of Digital Imaging in Medicine
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    • v.15 no.1
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    • pp.33-38
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    • 2013

  • Bone is so crucial anatomy for human body. Many researchers study deep into a subject about bone regeneration. There is no standard analysis for quantitative Neo-bone regeneration on calvarial defected model. Micro CT is so useful method to quantitative analysis of Neo-bone regeneration. This study was show that how to quantitative analysis of Neo-bone regeneration with ${\mu}-CT$ Micro CT was possible to quantitative analysis for Neo-bone regeneration on Calvarial defected model. futhermore Not only was Micro CT possible for qualitative analysis but quantitative analysis on the mouse calvarial model. This study will provide bone biology researchers with accurate quantitative analysis.

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Effect of vacuum regeneration of activated carbon on volatile organic compound adsorption

  • Pak, Seo-Hyun;Jeon, Yong-Woo
    • Environmental Engineering Research
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    • v.22 no.2
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    • pp.169-174
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    • 2017

  • Vacuum swing adsorption (VSA) is a promising treatment method for volatile organic compounds (VOCs). This study focuses on a VSA process for regenerating activated carbon spent with VOCs, and then investigates its adsorption capacities. Toluene was selected as the test VOC molecule, and the VSA regeneration experiments results were compared to the thermal swing adsorption process. Cyclic adsorption-desorption experiments were performed using a lab-scale apparatus with commercial activated carbon (Samchully Co.). The VSA regeneration was performed in air (0.5 L/min) at 363.15 K and 13,332 Pa. The comparative results depicted that in terms of VSA regeneration, it was found that after the fifth regeneration, about a 90% regeneration ratio was maintained. These experiments thus confirm that the VSA regeneration process has good recovery while operating at low temperatures (363.15 K) and 13,332 Pa.

  • https://doi.org/10.4491/eer.2016.120 인용 PDF KSCI