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HWAW(Harmonic Wavelet Analysis of Wave) 방법을 이용한 새로운 탄성파 지반조사기법의 현장 적용
박형춘, 김동수, 이병식 한국지반공학회 韓國地盤工學會論文集 9 Pages
한국지반공학회 韓國地盤工學會論文集 2004, Vol.20 No.6 51-59 (9 pages)
결정하기 위하여 개발된 HWAW(Harmonic Wavelet Analysis of Wave)방법을 이용한 지반조사기법의 실제 현장에서의 타당성을 검증하기 위하여 두 곳의 현장에 HWAW방법을 적용하였다. HWAW방법을 검증하기 위하여 동일한 현장에서 수행된 SASW시험과 PS-Suspension Logging 실험의 결과와 비교하였다. 이를 통하여 HWAW방법이 배경잡음과 지반의 횡방향 불균일성에 의한 오류를 기존 방법에 비하여 최소화 할 수 있으며, 국부적이며 정밀한 대상지반의 실제 전단파 속도 주상도를 매우 효과적으로 결정할 수 있음을 확인할 수 있었다. -
Normal clinical electroretinography parameters for poodle, Labrador retriever, Thai ridgeback, and Thai Bangkaew
Metita Sussadee, Janjira Phavaphutanon, Kornchai Kornkaewrat, Aree Thayananuphat 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 1호 9 67-74 (8 pages)
), a-wave of the higher intensity response (10 cd.s/m ), and a-wave of the photopic single flash response (3 cd.s/m ). For the b/a ratio, only the ratio of the Cone response was significantly different among the different breeds. In this summary, normal ERG parameters for four dog breeds were reported. Data from the investigation supported the hypothesis that determination of breed-specific limits of normality for ERG responses is necessary for individual clinics and... -
인터랙티브 사운드 아트 구현을 위한 인터페이스 디자인 연구
박정권(ChungGwon PARK) 한국음악교육공학회 음악교육공학 27 Pages
한국음악교육공학회 음악교육공학 2012, 제 15호 12 209-235 (27 pages)
본 연구는 인터랙티브 아트 구현을 시도하려는 예술인들에게, 상용화된 고가의 장치 및 제어 소프트웨어의 도움 없이 작품 창작 전반에 걸친 과정을 자체적으로 수행 할 수 있는 방향을 제시함으로써 상업적인 도구에 의한 유사한 작품 창작활동으로부터 벗어나 예술인의 개성이 담긴 독창적인 창작 활동에 도움을 주고자 한다. 인터랙티브 아트를 위한 컴퓨터 프로그래밍 언어 도구의 정보 및 기본적인 사용법을 알아보고, 물리적 인터페이스의 제작에 어려움을 겪을 수 있는 음악인들에게 인터랙티브 작품 제작에 기본적으로... -
Effects of Single Treatment of Anti-Dementia Drugs on Sleep-Wake Patterns in Rats
Ji-YoungJung, MootaekRoh, Kyung-KyunKo, Hwan-SooJang, , Seong-RyongLee, Jeoung-HeeHa, Il-SungJang, , Ho-WonLee, Maan-GeeLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.4 2 231-236 (6 pages)
cortex for the electroencephalography (EEG). EEG was recorded with a bio-potential amplifier for 8 h from 09:30 to 17:30. Vibration was recorded to monitor animal activity with a vibration measuring device. Sleep-wake states such as wake (W), slow-wave sleep (S) and paradoxical or rapid eye movement sleep (P), were scored every 10 sec by an experimenter. We measured mean episode duration and number of episode to determine which factor sleep disturbance was attributed to. Donepezil and memantine... -
Role of Dopamine Receptors on Electroencephalographic Changes Produced by Repetitive Apomorphine Treatments in Rats
HwanSooJang, JiYoungKim, SangHeonKim, Maan-GeeLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2009, Vol.13 No.3 2 147-151 (5 pages)
Repeated psychostimulants induce electroencephalographic (EEG) changes, which reflect adaptation of the neural substrate related to dopaminergic pathways. To study the role of dopamine receptors in EEG changes, we examined the effect of apomorphine, the dopamine D1 receptor antagonist, SCH-23390, and the D2 receptor antagonist, haloperidol, on EEG in rats. For single and repeated apomorphine treatment groups, the rats received saline or apomorphine for 4 days followed by a 3-day withdrawal... -
The electrical and heating properties of copper-incorporated graphite fibers fabricated using different ultrasonication techniques
Kyeong Min Lee, Min-Ji Kim, Hanjoo Jo, Sang Young Yeo, Young-Seak Lee 한국탄소학회 Carbon Letters 4 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 15 111-114 (4 pages)
corrosion susceptibility, heavy weight, high manufacturing costs, and electromagnetic wave emissions [1,2]. To resolve these problems, carbon materials with good electrical conductivity, such as carbon fibers, graphite fibers, carbon nanotubes, and carbon black, have been examined as heating materials [3,4]. Among these carbon materials, graphite fibers possess many advantages compared to carbon fibers such as good mechanical and electrical properties, excellent chemical stability, high thermal... -
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... -
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)
Lignocellulosic biomass conversion to biofuels such as ethanol and other value-added bio-products including activated carbons has attracted much attention. The development of an efficient, cost-effective, and eco-friendly pretreatment process is a major challenge in lignocellulosic biomass to biofuel conversion. Although several modern pretreatment technologies have been introduced, few promising technologies have been reported. Microwave irradiation or microwave-assisted methods (physical and... -
Carbon-allotropes: synthesis methods, applications and future perspectives
P. S. Karthik, A. L. Himaja and Surya Prakash Singh 한국탄소학회 Carbon Letters 19 Pages
한국탄소학회 Carbon Letters 2014, Vol.15 No.4 1 219-237 (19 pages)
The element carbon has been used as a source of energy for the past few hundred years, and now in this era of technology, carbon has played a significant and very prominent role in almost all fields of science and technology. So as an honour to this marvellous element, we humans should know about its various forms of existence. In this review article, we shed light on all possible carbon-allotropes; similarities in their synthesis techniques and the starting materials; their wide range of...
