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정문철 ( Jeong Mun Cheol ),박현호 ( Park Hyeon Ho ),김낙인 ( Kim Nag In ) 대한피부과학회 2003 대한피부과학회지 Vol.41 No.10
N/A Background : Clinical manifestations and complications of measles are more severe in adults than children. But, there has been few clinical and epidemiologic data about adult measles in Korea. Objective : We investigated clinical features, laboratory findings, disease courses and complications and discussed the reason why measles incidence has been increasing recently in young adults to find out the solutions to prevent measles. Method : From April 1999 to February 2001, we examined prodromal symptoms, skin rash, complications, routine CBC, and blood chemistry of 42 adults who were admitted in KangBuk SamSumg Hospital for measles and performed qualitative serum measles specific IgM and IgG antibody test using ELISA method. Results : 1. Age distribution of most adult measle patients was between 15 and 25 years old(78.6%). 2. Fever was found in all patients and cough, coryza, headache, myalgia, conjunctivitis, sore throat, nausea, diarrhea, and vomit were found in decreasing order of frequency. 3. Skin rashes were started from the face and spread to trunk, arms and then legs in 37 patients out of 42. Five patients had skin rash in the face and trunk at the same time, and one had hemorrhagic rash. Koplik`s spots were found in 26 patients (62%). Among them, 2 had Koplik`s spots befort the rash and 24 had Koplik`s spots with the rash simultaneously or thereafter. Koplik`s spots were disappeared as skin rash disappeared. Exfoliative dermatitis was found following the skin rash in one patient. 4. among 26 patients who performed qualitiative serum measles specific IgM and IgG antibody test using ELISA, the seropositivity of measles specific IgM was 70%, of measles specific IgG was 27%, and of both measles specific IgM and IgG was 12%. 5. Complications were like this; hepatitis in 23, cervical lympadenitis in 20, laryngitis and bronchitis in 7, otitis media in 4, pneumonia on chest X-ray in 3, hepatosplenomegaly on upper abdomen ultrasonography in 5. Two patients were in pregnancy of 12 and 16 weeks, and the former had spontaneous abortion. Pnemonia and otitis media were recovered within average 5 days after adminstrating antibiotics and antipyretics.(Korean J Dermatol 2003;4(10) : 1304~1310)
CFD 기법을 통한 지게차 엔진 룸 내 유동 특성 평가
양지혜(Jihae Yang),김낙인(Nag-In Kim),김정일(Jungill Kim),조장형(Janghyung Cho) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.5_1
In this paper, the procedure and methodology of the engine room cooling performance analysis for a forklift truck are presented using a CFD(Computation Fluid Dynamics) technique. The mesh generation of the CFD modeling of the engine room was a time consumed and difficult work for a CFD engineer to obtain the reasonable analysis results. Special exclusive codes were investigated to reduce the simulation time and obtain accurate results for the engine room heat analysis. In addition, the well-defined boundary condition in the CFD model and the accurate experimental data of a fan and radiator were also important factors to obtain a good simulation result closed to measure value. To verify the proposed procedure and methodology, the radiator inlet coolant temperature was compared with the simulation and experiment results. It shows that the proposed simulation method and modeling techniques are effective one for the cooler system design of a forklift engine room.
운동방정식을 기저로 한 스튜워트 플랫폼 운동장치의 제어시스템 설계 및 슬라이딩 모드제어
이종원,김낙인,Lee, Chong-Won,Kim, Nag-In 대한기계학회 1999 大韓機械學會論文集A Vol.23 No.6
A high speed tracking control system for 6-6 Stewart platform manipulator is designed for performing the model based joint-axis sliding mode control. Because of the complex dynamics and kinematics of the Stewart platform manipulator, two computer systems, consisting of a PC and a DSP, are adopted, so that real time tasks are run in synchronous and asynchronous modes. It is experimentally proven that the proposed control system makes the convenience in implementation of model based tracking control, so that it can achieve effective tracking control under relatively high speed and additional payload conditions.
김수찬 ( Kim Su Chan ),안규중 ( An Gyu Jung ),한승경 ( Han Seung Gyeong ),김진우 ( Kim Jin U ),성경제 ( Seong Gyeong Je ),계영철 ( Gye Yeong Cheol ),김낙인 ( Kim Nag In ),조광현 ( Jo Gwang Hyeon ),김광중 ( Kim Gwang Jung ),윤재일 대한피부과학회 2003 대한피부과학회지 Vol.41 No.9
전국의 31개 병의원에서 10개월간 피부과 내원환자 중 피부외용제에 의한 부작용을 나타낸 1257예의 사례를 수집하여 분석하였으며 다음과 같은 결과를 얻었다. 1) 외용제에 의한 부작용은 오용 및 치료지연(40%), 진균감영(29%), 세균감영(14%), 접촉피부염(9%), 여드름, 피부위축, 혈관확장 등의 순으로 그 빈도가 높았으며 스테로이드 도포에 의한 부작용은 모두 620건(49%)에 달하였다. 2) 오용의 경우 백선증을 습진으로 오진한 경우가 7 Background : The abuse, misuse, and adverse effects to topical drugs have been widespread in Korea due to lack of awareness of seriousness of drug abuse and misuse, and improper designation of prescription and non-prescription drugs. Objective : This stud