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Hung, Nguyen Dang,Sok, Dai-Eun,Kim, Mee Ree Birkhäuser 2012 Inflammation research Vol.61 No.5
<P>The aim of this study was to examine the inflammation induced by saturated acyl lysophosphatidylcholine (LPC) in vivo and to investigate whether it could be attenuated by the action of polyunsaturated acyl lysophosphatidylcholines (LPCs), which are known as anti-inflammatory lipid mediators.</P>
박흥석(Hung-Sok Park),한상옥(Sang-Ok Han) 대한전기학회 2011 전기학회논문지 Vol.60 No.5
As the expension of metropolis and increasing of housing site, GIL(Gas Insulated Line) comes to the fore as an alternative to overhead transmission line avoided by local resident. The certification and experimental test for the GIL is now in progress in under ground test lab, Go-chang. For the test, we propose a method of PQ(pre-qualification) test which is essential for development and field application in this paper. The test following this method take about 200 days or 300 days under the circumstances.
조항원(Hang-Won Cho),박흥석(Hung-Sok Park),박진우(Jin-Woo Park),신구용(Koo-Yong Shin),류희석(Hee-Suk Ryoo) 대한전기학회 2021 대한전기학회 학술대회 논문집 Vol.2021 No.10
본 논문은 HVDC 케이블 관련 연구개발 시험 및 신뢰성 평가시험 시 사용되는 DC 전류인가 설비에 대해 기술하고 있다. 케이블 개발 및 인증시험 단계에서 실제부하 연결을 통한 시험조건 구성은 현실적으로 어렵기 때문에 전류인가 설비로 도체 순환전류를 발생시켜 케이블의 시험 온도조건을 구현하고 있다. 현재까지는 주로 비접촉 유도식 AC 전류원을 이용하고 있으나, 최근 HVDC 케이블 시험을 위한 DC 전류원 수요 및 필요성이 높아지고 있다.
상악 전방견인시 악안면골의 초기반응에 관한 Laser Holography연구
강홍석(Hung-Sok Kang) 대한치과교정학회 1988 대한치과교정학회지 Vol.18 No.2
In case of skeletal Class III malocclusion with underdeveloped maxilla, the extraoral orthopedic force for the stimulation of maxillary growth or anterior reposition of the maxilla has been used clinically for the improvement of facial skeletal relationship. The purpose of this investigation was to examine the initial reaction of maxillofacial complex to the maxillary protraction by using extraoral orthopedic force. The dried human skull was used and this investigation was done by means of double exposure holographic interferometry. The protraction forces placed on the canine or the first molar were parallel, 10° downward, 20° downward to the occlusal plane. Fringe pattern of each protraction condition was compared and analized. The results were as follows: 1. Each maxillofacial bone displaced separately. 2. More displacement was shown at the area of the teeth and the alveolar bone. 3. A counterclockwise rotation of the maxilla war decreased by downward protraction and especially 20 degree downward protraction from the canine showed least rotation. 4. On the zygomatic arch, outward bend was observed and this effect was decreased by downward protraction. 5. On the zygomatic bone, the counter clockwise rotation was increased by the downward protraction. 6. When maxillary expansion was applied at the same time, outward and upward displacement with counterclockwise rotation was observed on the maxilla. 7. The lateral pterygoid plate of sphenoid bone was affected by maxillary protraction.