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전체 선택해제
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본문검색 결과만 보기
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A Fast Analysis on Floating Wave Energy Conversion System
이상무, 김성근, Lee. Sang-Moo, Kim. Seoung-Gun 한국해양공학회 韓國海洋工學會誌 10 Pages
한국해양공학회 韓國海洋工學會誌 1999, Vol.13 No.4 159-168 (10 pages)
부유식 파랑에너지 변환시스템(Oscillating Water Column)에 대한 해석은 입력파와 챔버, 챔버내 공기의 상호작용으로 인하여 어려움이 많다. 이 논문은 이와 같은 요소를 고려하면서도 쉽고 간편한 해석법을 제시한다. 파랑에너지에 의한 자가발전은 파랑에너지를 기계적 운동으로 변환하고 이를 전기에너지로 변환함으로써 가능하다. 본 논문은 파랑에너지에서 기계적 에너지로 변환하는 과정에 집중하여 그 부분의 성능을 해석한다. 단일 진동수 규칙파가 입력되었을 때에 파에 의하여 챔버의 상하운동이 선형적으로 발생하는 것으로... -
Update on the Effects of Sound Wave on Plants
한국식물병리학회 식물병연구 2014, 20권 1호 1 1-7 (7 pages)
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Microwave-assisted pretreatment technologies for the conversion of lignocellulosic biomass to sugars and ethanol: a review
Pradeep Puligundla, Sang-Eun Oh, Chulkyoon Mok 한국탄소학회 Carbon Letters 10 Pages
한국탄소학회 Carbon Letters 2016, Vol.17 No.1 1 1-10 (10 pages)
years owing to their high heating efficiency, lower energy requirements, and easy operation. Acid and alkali pretreatments assisted by microwave heating meanwhile have been widely used for different types of lignocellulosic biomass conversion. Additional advantages of microwave-based pretreatments include faster treatment time, selective processing, instantaneous control, and acceleration of the reaction rate. The present review provides insights into the current research and advantages of using... -
Effects of Wave Focusing Device on Performance of OWC Chamber
류진, 현범수, 홍기용, 김길원, Liu. Zhen, Hyun. Beom-Soo, Hong. Key-Yong, Jin. Ji-Yuan 한국해양환경공학회 한국해양환경공학회지 6 Pages
한국해양환경공학회 한국해양환경공학회지 2010, Vol.13 No.1 12-17 (6 pages)
OWC 파력발전장치는 에너지 변환장치로 널리 사용되고 있고 공기실의 작동성능을 향상시키기 위하여 파랑집중장치를 고안 하였다. 본 논문에서 사용된 수치조파수조는 two-phase VOF모델을 기반으로 하여 구현되었고 재생된 규칙 입사파는 공기실까지 전달되어 내부의 왕복 유동장을 형성하게 하였다. 수치조파수조는 연속방정식, Reynolds-averaged Navier-Stokes방정식, two-phase VOF 법으로 구성 되였고 standard k- 난류모델, 유한체적법, NITA-PISO 알고리즘 그리고 dynamic mesh기능을 채택하였다. OWC 공기실 파랑집중장치의... -
Characteristic Analysis of an Traveling Wave Ultrasonic Motor using a Cylindrical Dynamic Contact Model
Ro. Jong-Suk, Yi. Kyung-Pyo, Chung. Tae-Kyung, Jung. Hyun-Kyo 대한전기학회 Journal of electrical engineering & technology 9 Pages
대한전기학회 Journal of electrical engineering & technology 2013, Vol.8 No.6 1415-1423 (9 pages)
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준임상적 갑상선기능저하증
박지훈(Ji Hun Park), 김호준(Ho Jun Kim), 이명종(Myeong Jong Lee) 한방비만학회 대한한방비만학회지 13 Pages
한방비만학회 대한한방비만학회지 2006, 제 6권 제 2호 3 29-41 (13 pages)
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Inhibitory Effects of Corni Fructus Extract on Angiogenesis and Adipogenesis
Jae-HoHwang, Jong-DeogKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.1 7 43-52 (10 pages)
Natural products in Chonnam, Korea were screened via anti-angiogenesis experiments, and 1 candidate product was identified, Corni fructus, which exerted dose-dependent inhibitory effects against angiogenesis, adipogenesis, and cell adhesion. C. fructus extract (CFE) exhibits an angiogenesis inhibi</I>tory effect superior to that of the EGCG from green tea leaves. The expression level of angiogenesis and adipogenesis-related signal molecules in the western blotting was reduced by increasing... -
Comparison of the Determinants in the Differences in Force- Frequency Relationships between Rat and Rabbit Left Atria
ChangMannKoSoon-JinKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.5 11 417-425 (9 pages)
The underlying mechanism commonly applicable for both the positive and negative force-frequency relationships (FFR) was pursued in left atria (LA) of rat and rabbit. The species differences in the roles of Na/Ca2 exchanger and sarcoplasmic reticulum (SR), which are major intracellular Ca2 regulatory mechanisms in the heart, were examined in the amplitude accommodation to the frequency that changed from 3 Hz to the variable test frequencies for 5 minutes in the electrically... -
Proteomic Changes in the Sound Vibration-Treated Arabidopsis thaliana Facilitates Defense Response during Botrytis cinerea Infection
Ritesh Ghosh, Bosung Choi, Young Sang Kwon, Tufail Bashir, Dong-Won Bae, Hanhong Bae 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 6호 7 609-622 (14 pages)
Sound vibration (SV) treatment can trigger various molecular and physiological changes in plants. Previously, we showed that pre-exposure of Arabidopsis plants to SV boosts its defense response against Botrytis cinerea fungus. The present study was aimed to investigate the changes in the proteome states in the SV-treated Arabidopsis during disease progression. Proteomics analysis identified several upregulated proteins in the SVinfected plants (i.e., SV-treated plants carrying Botrytis... -
Li-ion battery anodes from ginkgo leaf-derived nanoporous carbons rich in redox-active heteroatoms
Na Rae Kim, Hong Joo An, Young Soo Yun, Hyoung-Joon Jin 한국탄소학회 Carbon Letters 5 Pages
한국탄소학회 Carbon Letters 2017, Vol.22 13 110-114 (5 pages)
formula LiC6, via the intercalation of lithium ions at 0.1 V vs. Li+/Li, corresponding to a capacity of ~372 mAh g?1 [8,9]. The favorable energy density and reversible charge/discharge cycles of graphite have contributed to the commercial success of conventional LIBs. Nevertheless, the new demands of state-of-the art applications require better energy and power characteristics, requiring the development of alternative anode materials that can surpass the electrochemical performance of graphite. -
Synthesize multi-walled carbon nanotubes via catalytic chemical vapour deposition method on Fe-Ni bimetallic catalyst supported on kaolin
Aliyu A, Abdulkareem AS, Kovo AS, Abubakre OK, Tijani JO, Kariim I 한국탄소학회 Carbon Letters 18 Pages
한국탄소학회 Carbon Letters 2017, Vol.21 5 33-50 (18 pages)
In this study, Fe-Ni bimetallic catalyst supported on kaolin is prepared by a wet impregnation method. The effects of mass of kaolin support, pre-calcination time, pre-calcination temperature and stirring speed on catalyst yields are examined. Then, the optimal supported Fe-Ni catalyst is utilised to produce multi-walled carbon nanotubes (MWCNTs) using catalytic chemical vapour deposition (CCVD) method. The catalysts and MWCNTs prepared using the optimal conditions are characterized using high... -
Microstructural changes of polyacrylonitrile-based carbon fibers (T300 and T700) due to isothermal oxidation (1): focusing on morphological changes using scanning electron microscopy
Seong-Moon Oh, Sang-Min Lee, Dong-Su Kang, Jae-Seung Roh 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2016, Vol.18 3 18-23 (6 pages)
high specific strength, elastic modulus, thermal resistance, and thermal conductivity. Due to these properties, they have been increasingly widely used in various spheres including leisure, aviation, aerospace, military, and energy applications. However, if exposed to air at high temperatures, they are oxidized, thus weakening the properties of carbon fibers and carbon composite materials. As such, it is important to understand the oxidation reactions of carbon fibers, which are often used as a...
