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전체 선택해제
총 132건 검색
본문검색 결과만 보기
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Corrosion Evaluation of Epoxy-Coated Bars by Electrochemical Impedance Spectroscopy
Choi. Oan-Chul, Park. Young-Su, Ryu. Hyung-Yun 한국콘크리트학회 International journal of concrete structures and materials 7 Pages
한국콘크리트학회 International journal of concrete structures and materials 2008, Vol.2 No.2 99-105 (7 pages)
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New Analysis of Electrochemical Impedance Spectroscopy for Lithium-ion Batteries
Osaka. Tetsuya, Nara. Hiroki, Mukoyama. Daikichi, Yokoshima. Tokihiko 한국전기화학회 Journal of electrochemical science and technology 6 Pages
한국전기화학회 Journal of electrochemical science and technology 2013, Vol.4 No.4 157-162 (6 pages)
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스크린 프린트된 후막의 Impedance Spectroscopy 특성 분석
함용수, 문상호, 남송민, 이영희, 고중혁, 정순종, 김민수, 조경호, Ham. Yong-Su, Moon. Sang-Ho, Nam. Song-Min, Lee. Young-Hie, Koh. Jung-Hyuk, Jyoung. Soon-Jong, Kim. Mi 한국전기전자재료학회 전기전자재료학회논문지 4 Pages
한국전기전자재료학회 전기전자재료학회논문지 2010, Vol.23 No.6 477-480 (4 pages)
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Impedance Spectroscopy를 이용한 토양 수분함량 센서의 주요 설계인자 분석
이동훈, 조용진, 장영창, 이규승, Lee. Dong-Hoon, Cho. Yong-Jin, Chang. Young-Chang, Lee. Kyou-Seung 한국농업기계학회 바이오시스템공학 7 Pages
한국농업기계학회 바이오시스템공학 2008, Vol.33 No.4 269-275 (7 pages)
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조밀한 표면조직을 갖는 탄소재료의 Impedance Spectroscopy를 통한 전기화학적 거동의 해석
오한준, 이종호, 이영훈, 고영신, Oh. Han Jun, Lee. Jong Ho, Lee. Young Hoon, Ko. Young Shin 대한화학회 대한화학회지 9 Pages
대한화학회 대한화학회지 1996, Vol.40 No.5 308-316 (9 pages)
Impedance Spectroscopy를 통하여 조밀한 표면조직을 갖는 glassy carbon과 PVDF 합성흑연의 표면에 대한 전기화학적 거동을 조사하였다. 이들 두 탄소재료는 모두 전압에 대한 높은 Faraday-임피던스의존성이 나타났으며, 이를 평가하기 위한 등가회로는 PVDF 흑연의 경우 lassy carbon의 등가회로에 소수성 결합제에 의한 저항과 축전용량이 추가된 형태로 나타났다. 또한 디들 재료는 표면의 차이로 인한 전기화학적 거동의 차이도 나타났다. -
Resolution of a Multi-Step Electron Transfer Reaction by Time Resolved Impedance Measurements: Sulfur Reduction in Nonaqueous Media
Park. Jin-Bum, Chang. Byoung-Yong, Yoo. Jung-Suk, Hong. Sung-Young, Park. Su-Moon 대한화학회 Bulletin of the Korean Chemical Society 8 Pages
대한화학회 Bulletin of the Korean Chemical Society 2007, Vol.28 No.9 1523-1530 (8 pages)
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Injury and inflammation detection by the application of microcurrent through the skin
Timothy Hui-Jerrold Petrofsky 물리치료재활과학회 Physical Therapy Rehabilitation Science 8 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2013, 제 2권 제 1호 6 31-38 (8 pages)
Objective: To determine the efficacy and reliability of measuring direct current microcurrent applied through the skin to determine injury in the underlying tissues. Design: Case control study. Methods: First, microcurrent was measured as decreased blood flow induced hypoxia in healthy subjects. Next, reliability was assessed by measuring over ten days with set variations in pressure and distance between the electrodes. Finally, measurements over sprained ankle were compared to measurements over... -
Canine model of ischemic stroke with permanent middle cerebral artery occlusion: clinical and histopathological findings
Byeong-Teck Kang, Jong-Hwan Lee, Dong-In Jung, Chul Park, Su-Hyun Gu, Hyo-Won Jeon, Dong-Pyo Jang, Chae-Young Lim, Fu-Shi Quan, 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 4호 9 369-376 (8 pages)
The aim of the present study was to assess the clinical and histopathological findings in a canine model of ischemic stroke. Cerebral ischemic stroke was induced by middle cerebral artery occlusion in four healthy beagle dogs using silicone plugs. They showed neurological signs of forebrain dysfunction such as reduced responsiveness, head turning, circling, postural reaction deficits, perceptual deficits, and hemianopsia. These signs gradually regressed within 4 weeks without therapy. On... -
Interconnected meso/microporous carbon derived from pumpkin seeds as an efficient electrode material for supercapacitors
Mayakrishnan Gopiraman, Somasundaram Saravanamoorthy, Seung-Hyun Kim, Ill-Min Chung 한국탄소학회 Carbon Letters 9 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 10 73-81 (9 pages)
and X-ray diffraction analyses. The presence of heteroatoms (O and N) in the carbon materials was confirmed by X-ray photoemission spectroscopy. High resolution transmission electron microscopic images and selected area diffraction patters further revealed the porous structure and amorphous nature of the prepared electrode materials. The resultant porous carbons (PS-600, PS-700, PS-800, and PS-900) were utilized as electrode material for supercapacitors. To our delight, the PS-900 demonstrated a... -
Relationships between dielectric properties and characteristics of impregnated and activated samples of potassium carbonate- and sodium hydroxide-modified palm kernel shell for microwave-assisted activation
Norulaina Alias, Muhammad Abbas Ahmad Zaini, Mohd Johari Kamaruddin 한국탄소학회 Carbon Letters 11 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 9 62-72 (11 pages)
The aim of this work was to evaluate the dielectric properties of impregnated and activated palm kernel shells (PKSs) samples using two activating agents, potassium carbonate (K2CO3) and sodium hydroxide (NaOH), at three impregnation ratios. The materials were characterized by moisture content, carbon content, ash content, thermal profile and functional groups. The dielectric properties were examined using an open-ended coaxial probe method at various microwave frequencies (1?6 GHz) and... -
A modified electrode by a facile green preparation of reduced graphene oxide utilizing olive leaves extract
Abeer Baioun, Hassan Kellawi, Ahamed Falah 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 7 47-54 (8 pages)
work a green method of reducing graphene oxide (rGO) by an inexpensive, effective and scalable method using olive leaf aqueous extract as the reducing agent, was used to produce rGO. Both GO and rGO were prepared and investigated by ultraviolet and visible spectroscopy, Fourier-transform infrared, scanning electron microscopy, atomic force microscopy, thermogravimetric analysis, cyclic voltammetry, X-ray photoelectron spectra, electrochemical impedance spectroscopy and powder X-ray diffraction. -
Fabrication of nitrogen doped ordered mesoporous carbon derived from glucosamine with hybrid capacitive behaviors
Deyi Zhang, Mei Han, Yubing Li, Bing Wang, Yi Wang, Kunjie Wang, Huixia Feng 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2017, Vol.23 2 9-16 (8 pages)
This paper introduces a nitrogen-doped ordered mesoporous carbon (NOMC) derived from glucosamine with hybrid capacitive behaviors, achieved by successfully combining electrical double-layer capacitance with pseudo-capacitance behaviors. The nitrogen doping content of the fabricated NOMC reached 7.4 at% while its specific surface area (SBET) and total pore volume reached 778 m2 g?1 and 1.17 cm3 g?1, respectively. A dual mesoporous structure with small mesopores centered at 3.6 nm and large...
