• 동국한의학연구소논문집
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• 제5권
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• pp.273-280
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• 1996

This study is to know the relation between the symptom of Vinyl House disease and seo-byung of oriental medical. The results are summarised as follows, 1. One of the pathogenic factors of Vinyl house disease is the environtal of high temperature and humidity,that is coincident with seo-byung's pathogenic factors. 2. The most common symptoms of Vinyl house disease are heaedache, sweating, dizziness, weightloss, fatigue, nausea, vomiting, numbed limb, breathless etc. that are included in seo-byung's symptoms. 3. Vinyl house disease belong to the category of the seo-byung of oriental medical. In concrete term, Vinyl house disease is come under chronic seo-byung or symptomic seo-byung.

• Bulletin of the Korean Chemical Society
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• 제34권2호
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• pp.565-568
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• 2013

Acetyl-CoA carboxylases (ACCs) play critical roles in fatty acid synthesis and oxidation by the catalytic activity of the carboxylation of acetyl-CoA to malonyl-CoA. It is known that ACCs are inactivated through reversible phosphorylation by AMP-activated protein kinase (AMPK) and allosterically activated by citrate. Here, we determined the crystal structures of biotin carboxylase (BC) domain of human ACC2 phosphorylated by AMPK in the presence of citrate in order to elucidate the activation mechanism by citrate. This structure shows that phosphorylated Ser222 is released from the dimer interface, and thereby facilitating the dimerization or oligomerization of the BC domain allosterically. This structural explanation is coincident with the experimental result that the phosphorylated Ser222 was dephosphorylated more easily by protein phosphatase 2A (PP2A) as the citrate concentration increases.

• 한국결정학회지
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• 제7권2호
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• pp.156-164
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• 1996

GaAs ∑19, {331}/{331} [110]과 ∑3 {111}/{111} [110] 기울임입계의 구조적 특징을 고분해투과전자현미경을 이용하여 분석하였다. 이 입계들은 격자일치점의 면밀도가 높은 결정면을 평행하게 놓여 있으며, 특정한 원자배열단위를 나타낸다. 입계에서 관측된 이차입계전위들의 코어 직경의 약 2nm정도이며 이들이 놓인 입계부분에서 입계계단이 생성된다. 이들 입계계단과 이차입계전위의 상관관계를 DSC격자를 이용하여 고찰하였다.

• 한국추진공학회:학술대회논문집
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• 한국추진공학회 2004년도 제22회 춘계학술대회논문집
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• pp.722-725
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• 2004

An experimental investigation was conducted to investigate the effects of the equivalence ratio and air mass flux on the combustion efficiency in a solid fuel ramjet used fuel grains which were highly loaded with boron carbide. Combustion efficiency increased with increasing equivalence ratio (grain length), and decreasing air mass flux. Higher inlet air temperature produced higher combustion efficiencies, apparently the result of enhanced combustion of the larger boron particles those bum in a diffusion controlled regime. Short grains which considered primarily of the recirculation region produced larger particles and lower combustion efficiencies. The result of the normalized combustion efficiency increased with inlet air temperature, is coincident with the result of the Brayton cycle thermal and the total efficiency relating to the heat input.

• 한국광학회지
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• 제11권1호
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• pp.19-24
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• 2000

액정 표시소자에 쓰이는 위상판의 시야각특성을 확장된 존즈행렬과, 이것의 뽀앙카레공(Poincare sphere)에서의 기하학적 회전변환으로 해석하였다. 위상판의 회전변환 특성은 시야각이 바뀌면 회전축은 적도선 위에 있고, 회전각이 시야각에 따라 크게 변한다. 광축의 방향이 다른 두 장의 위상판을 겹쳐쓰면 이런 특성을 보정할 수 있고, 이 방법을 써서 BTN 셀의 시야각 특성을 개선할 수 있었음을 보였다.

• KIEAE Journal
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• 제5권3호
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• pp.33-40
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• 2005

The existing building code regulates the minimum distance between buildings and the minimum required sunshine hours for winter solstice to ensure the right to light. Especially, the minimum sunshine hours have been guaranteed by the constitution after the right for the people to live in a healthy and comfortable environment was established. However, the existing regulation on the sunshine hours only considers the duration of sunshine hours, but ignores the minimum amount of sunlight. Therefore, the calculated sunshine hours are not coincident with the hours occupants actually feel. Therefore, the purpose of this study is to investigate the effect of solar incident angle on interior illuminance distribution, which will be used to propose a new code on the minimum sunshine hours and levels.

• 대한전기학회논문지:시스템및제어부문D
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• 제52권8호
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• pp.482-491
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• 2003

In this paper are presented kinematic and dynamic modeling and path-tracking of four-wheeled mobile robots with 2 d.o.f haying the limited drive-torques. Controllability of wheeled-mobile robots is revealed by the kinematic model. Instantaneously coincident coordinate system, force/torque propagation and Newton's equilibrium law are used to drive the dynamic model. When drive-torques generated by inverse dynamics exceed the limitation, we make wheeled-mobile robots follow the reference path by modifying the planned reference trajectory with time-scaling. The controller is introduced to compensate for error owing to modeling uncertainty and measurement noise. And simulation results prove that method proposed by this paper is efficient.

• 한국해양공학회지
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• 제20권3호
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• pp.15-23
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• 2006

On this study, realtime GPS technique and combination of GPS/GLONASS technique are used to extracting coastline. Th￡ object of coastline is Gwanganri beach located in Busan. The coastline is observed along the traces of coastline when high wave of scar by using digital map of 1:1,000 and at random time zone, coastline is surveyed along the boundary line that is contacting with sea water level. When the coastline of random time zone is converted by height of tide table, the coastline when high wave of scar and converted coastline are shown as coincident approximately.

• 대한기계학회논문집A
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• 제30권9호
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• pp.1154-1159
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• 2006

In this paper, time-frequency analysis and multi-dimensional spectral analysis methods are applied to source identification and diagnostic of non-stationary sound vibration signals. By checking the coherences for concerned time, this simulation is very well coincident to expected results. The proposed method analyzes the signal instantaneously in both time and frequency domains. The MDSA (Multiple Dimensional Spectral Analysis) analyzes the signal in the plane of instantaneous time and instantaneous frequency at the same time. And it was verified by using the 1500cc passenger car which is accelerated from 70Hz to 95Hz in 4 seconds, the proposed method is effective in determining the vehicle diagnostic problems.

• 자원환경지질
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• 제18권2호
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• pp.159-166
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• 1985

Multipole 확장에 의한 중력이상의 계산식이 유도되고, 직각 prism과 원기둥 모양의 물체에 대하여 중력을 계산하며 정확한 계산과 비교 연구를 한다. 근거리에 있는 source의 multipole확장은 표면적분보다 체적적분이 더 좋은 근사치를 얻게한다. 그렇지만 지구물리탐사의 실제에 있어 흔히 나타나는 원거리의 source에 대해서는 이 두 접근 방법은 서로 일치하게 됨을 알 수 있다.