자료유형
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- 대한기계학회(13)
- 대한수의학회(7)
- 대한전자공학회(2)
- 대한생리학회-대한약리학회(1)
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- 물리치료재활과학회(1)
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- 한국액체미립화학회(1)
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- 한국전자통신연구원(1)
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- 한국청각언어재활학회(1)
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- 한국항해항만학회(1)
간행물
- KSME INTERNATIONAL JOURNAL(7)
- JOURNAL OF VETERINARY SCIENCE(6)
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY(4)
- 전자공학회논문지. JOURNAL OF THE INSTITUTE OF ELECTRONICS ENGINEERS OF KOREA. TC, 통신(2)
- AUDIOLOGY AND SPEECH RESEARCH(1)
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY(1)
- ETRI JOURNAL(1)
- INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY(1)
- INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING(1)
- KOREAN JOURNAL OF VETERINARY RESEARCH(구 대한수의학회지)(1)
- PHYSICAL THERAPY REHABILITATION SCIENCE(1)
- THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY(1)
- 대한기계학회논문집(1)
- 대한기계학회론문집. TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS. B. B(1)
- 한국마린엔지니어링학회지(1)
- 한국액체미립화학회지(1)
- 한국통신학회논문지. THE JOURNAL OF KOREA INFORMATION AND COMMUNICATIONS SOCIETY. 네트워크 및 서비스(1)
- 한국항해항만학회지(1)
전체 선택해제
총 33건 검색
본문검색 결과만 보기
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A characterization of the spray evolution by dual-mode phase doppler anemometry in an injector of liquid-propellant thruster
Kim. Jin-Seok, Kim. Jeong-Soo 대한기계학회 Journal of mechanical science and technology 13 Pages
대한기계학회 Journal of mechanical science and technology 2009, Vol.23 No.6 1637-1649 (13 pages)
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Phase doppler measurements: system set-up optimization for characterization of a diesel nozzle
Payri. Raul, Araneo. Lucio, Shakal. Joseph, Soare. Vlad 대한기계학회 Journal of mechanical science and technology 13 Pages
대한기계학회 Journal of mechanical science and technology 2008, Vol.22 No.8 1620-1632 (13 pages)
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Optimal scan delay depending on contrast material injection duration in abdominal multi-phase computed tomography of pancreas and liver in normal Beagle dogs
Soo-Young Choi, In Lee, Ji-Won Seo, Hyun-Young Park, Ho-Jung Choi, Young-Won Lee 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 15 555-561 (7 pages)
This study was conducted to establish the values for optimal fixed scan delays and diagnostic scan delays associated with the bolus-tracking technique using various contrast material injection durations in canine abdominal multi-phase computed tomography (CT). This study consisted of two experiments employing the crossover method. In experiment 1, three dynamic scans at the porta hepatis were performed using 5, 10 and 15 sec injection durations. In experiment 2, two CT scans consisting of five... -
Phase Noise Effects on the Pulse Pair Spectrum Moment Estimates in a Doppler Weather Radar
Lee. jong-Gil 한국통신학회 한국통신학회논문지. The Journal of Korea Information and Communications Society. 네트워크 및 서비스 6 Pages
한국통신학회 한국통신학회논문지. The Journal of Korea Information and Communications Society. 네트워크 및 서비스 2001, Vol.26 951-956 (6 pages)
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Correction of Mean Phase Error for OFDM and SC-CP Systems using Decision-Directed Method
김지헌, 김환우, Kim. Ji-Heon, Kim. Whan-Woo 대한전자공학회 電子工學會論文誌. Journal of the Institute of Electronics Engineers of Korea. TC, 통신 8 Pages
대한전자공학회 電子工學會論文誌. Journal of the Institute of Electronics Engineers of Korea. TC, 통신 2005, Vol.42 No.12 77-84 (8 pages)
OFDM(Orthogonal Frequency Division Multiplexing) 및 SC-CP(Single Carrier with Cyclic Prefix) 방식은 문선 분야에서 각기 각광받고 있으며, 두 방식 모두 주파수 영역에서 효율적인 등화를 수행할 수 있는 장점을 지니고 있다. 무선 채널의 도플러 쉬프트 현상이 수반되는 경우 등화기만으로 온전히 왜곡 보상이 여의치 않을 수 있으며, 이에 따라 위상에러 추적회로와 등화기를 연동시켜 성능 향상을 도모할 수 있다. 본 논문에서는 평균위상에러의 효과를 기술하였고, 결정지향 방식의 평균위상 에러 추적회로와 proportional... -
The use of laser Doppler blood flow to assess the effect of acute administration of vitamin D on micro vascular endothelial function in people with diabetes
Jerrold Petrofsky, Faris Alshammari, Iman Akef Khowailed, Riya Lodha, Pooja Deshpande, Praveen Rajaram, Mahendra Gaikwad, Vidhi Vadera 물리치료재활과학회 Physical Therapy Rehabilitation Science 7 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2013, 제 2권 제 2호 1 63-69 (7 pages)
Objective: To assess the effect of vitamin D administration on the skin blood flow response to occlusion and heat. Design: Cross-sectional study. Methods: Twenty age matched subjects; 10 who had diabetes and 10 who were controls were administered 4,000 IU of vitamin D3 for 3 weeks at breakfast. The function of the endothelial cells was evaluated in 2 ways; first, the response to 4 minutes of vascular occlusion of the skin was measured with a laser Doppler flow meter. Second, the skin blood flow... -
Retrospective study of degenerative mitral valve disease in small-breed dogs: survival and prognostic variables
Hyun-Tae Kim, Sei-Myoung Han, Woo-Jin Song, Boeun Kim, Mincheol Choi, Junghee Yoon, Hwa-Young Youn 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 3호 14 369-376 (8 pages)
Small-breed dogs (n = 168; weight ＜ 15 kg) diagnosed with myxomatous mitral valve degeneration based on a routine clinical examination, radiology, electrocardiography, and echocardiography at the Seoul National University Veterinary Medical Teaching Hospital were included in this study. Survival periods were determined, and there were significant differences in survival rates among the three International Small Animal Cardiac Health Council classes. The mean follow-up period was 14.3 ± 12.1... -
Transrectal Doppler sonography of uterine blood flow during the first two weeks after parturition in Simmenthal heifers
Maike Heppelmann, Lars Krüger, Stephanie Leidl, Heinrich Bollwein 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 3호 12 323-327 (5 pages)
Transrectal Doppler sonography was used to evaluate uterine blood flow during the first two weeks after parturition in six primiparous Simmental cows. The uterine blood flow was evaluated on the day of parturition (Day 0), once daily from Days 1 to 8 and then every other day until Day 14. Blood flow was quantified by determining the diameter (D), the time-averaged maximum velocity (TAMV), the pulsatility index (PI) and the blood flow volume (BFV) of the uterine arteries ipsilateral and... -
Pulsed tissue Doppler imaging of the left ventricular septal mitral annulus in healthy dogs
Jihye Choi, Hyunwook Kim, Junghee Yoon* 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 1호 12 85-90 (6 pages)
This study evaluated pulsed TDI variables including the isovolumic time interval and duration of the major wave in a population of large healthy dogs. Longitudinal myocardial motion at the septal mitral annulus was evaluated with pulsed TDI in 45 healthy adult dogs. Maximal myocardial velocities, isovolumic time intervals, and duration of the myocardial waves were measured. The correlation between time intervals and velocity variables was also investigated. The mean maximal systolic velocity was... -
Application of pulsed Doppler ultrasound for the evaluation of small intestinal motility in dogs
Yong-joo An, Heechun Lee, Dongwoo Chang, Youngwon Lee, Jai-ki Sung, Mincheol Choi, Junghee Yoon 대한수의학회 Journal of Veterinary Science 4 Pages
대한수의학회 Journal of Veterinary Science 2001, 제 2권 제 1호 12 71-74 (4 pages)
The purpose of this study was to verify whether small intestinal peristalsis could be observed and quantitatively assessed using pulsed-Doppler ultrasound. Pulsed-Doppler ultrasound was used to evaluate small intestinal peristalsis after a meal in ten normal dogs and ten sedated dogs. The small intestinal peristalses were measured 0, 1, 3, 6, 9, 12, and 24 hours after a 24-hour fast and after feeding. The number of small intestinal peristalsis were 0.133/min, 0.100/min, 0.033/min, 0.167/min,... -
Evaluation of plasma N-terminal pro-brain natriuretic peptide and troponin I concentrations in dogs with congenital ventricular outflow tract stenosis
Gye-dong Kim , Sang-il Suh , In-chul Park , Changbaig Hyun , 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 5 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2016, 제 56권 제 4호 4 223-227 (5 pages)
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Tetramethylpyrazine reverses anxiety-like behaviors in a rat model of post-traumatic stress disorder
Bombi Lee, Insop Shim, Hyejung Lee, Dae-Hyun Hahm 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 14 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2018, Vol.22 No.5 6 525-538 (14 pages)
Post-traumatic stress disorder (PTSD) is a trauma-induced psychiatric disorder characterized by impaired fear extermination, hyperarousal, and anxiety that may involve the release of monoamines in the fear circuit. The reported pharmacological properties of tetramethylpyrazine (TMP) include anti-cancer, anti-diabetic, anti-atherosclerotic, and neuropsychiatric activities. However, the anxiolytic-like effects of TMP and its mechanism of action in PTSD are unclear. This study measured several... -
Effects of induced endometritis on uterine blood flow in cows as evaluated by transrectal Doppler sonography
Letizia Debertolis, Gaetano Mari, Barbara Merlo, Sabine Merbach, Heinz-Adolf Schoon, Eleonora Iacono, Heinrich Bollwein 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 2호 8 189-197 (9 pages)
This study was conducted to evaluate the effects of induced endometritis on uterine blood flow in cows. Transrectal Doppler sonography was performed on uterine arteries of six cyclic cows before and for 4 days after inducing acute endometritis by intrauterine infusion of 720 mg of policresulen, and for 4 days of the following estrous cycle. Time-averaged maximum velocity (TAMV) increased (p < 0.001) and pulsatility index (PI) decreased (p < 0.0001) within 1 h of policresulen... -
Urea-SCR시스템 액막형 선회분사기의 분사압력변화에 따른 무특성에 관한 연구
김덕진, 양동욱, 이지근, Kim. Duckjin, Yang. Donguk, Lee. Jeekeun 한국마린엔지니어링학회 한국마린엔지니어링학회지 10 Pages
한국마린엔지니어링학회 한국마린엔지니어링학회지 2013, Vol.37 No.5 510-519 (10 pages)
Urea-SCR시스템에 적용하기 위한 액막형 선회분사기의 분사압력변화에 따른 분무특성이 실험적으로 조사되었다. 실험에 사용된 노즐은 형상비 3.1을 갖는 단공 압력식 액막형 선회노즐이며, 노즐선단에 분사되는 유체에 선회류를 형성하기 위한 선회기가 설치되어 있다. 노즐의 분사량 조절은 PWM(pulse width modulation)기법에 의해 제어되었다. 분무의 발달과정은 2차원 PIV에 의해 가시화되었으며, 분무각 변화가 조사되었다. 분무액적의 속도 및 크기는 2차원 PDPA에 의해 상온 대기압 조건에서 측정되었다. 분무구조는 분사압력에... -
High-Q $Yba_2Cu_3O_{7-delta}$ 고온초전도체 공진기를 이용한 주파수 튜닝이 가능한 고성능 발진기 제작
양우일, 이재훈, 허정, 이상영, Yang. Woo Il, Lee. Jae Hun, Hur. Jung, Lee. Sang Young 대한전자공학회 電子工學會論文誌. Journal of the Institute of Electronics Engineers of Korea. TC, 통신 8 Pages
대한전자공학회 電子工學會論文誌. Journal of the Institute of Electronics Engineers of Korea. TC, 통신 2005, Vol.42 No.7 63-70 (8 pages)
위상잡음(phase noise)이 작은 발진기(oscillator)는 주파수 대역의 효율적 활용과 고속의 데이터 전송을 가능하게 하는 통신 시스템의 구축과 Doppler 효과를 이용하는 RADAR의 제작을 위한 핵심소자로서 발진기의 위상잡음은 공진부의 loaded Q($Q_{L}$)값이 클수록 작아진다. 본 논문에서는 고온초전도 $YBa_2Cu_3O_{7-delta}$(YBCO) 박막을 사용하여 $TE_{011}$ 모드 고온초전도 YBCO-루타일 공진기를 제작하고 이 공진기가 공진단으로 사용된 발진기 특성의 시뮬레이션, 발진기 제작 및 위상잡음 측정 연구를 수행하였다. 23.5 K 및...
