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윤여준,박성우,이준혁,장안수,박춘식 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
Pulmonary tuberculosis as a cause of the acute respiratory distress syndrome is quite rare. The diagnosis of acute respiratory distress syndrome due to pulmonary tuberculosis is difficult because of the diversity of radiological patterns. The ability to identify patients at risk for the acute respiratory distress syndrome is important if therapies are to be developed to prevent the disorder. We experienced a young female compliants with mild fever, dyspnea who diagnosed pulmonary tuberculosis 1 months ago. She stoped anti-tuberculosis medication 2 day because confirmation of drug fever and after then sudden aggravated dyspnea. The clinical course of this case is similar with presentaion of ARDS. We started antituberculosis medication with steroid, which result in good prognosis.
실업계 고교와 전문대학간 컴퓨터 교과 관련 연계교육의 운영실태 및 개선방안에 관한 교원들의 인식 연구
윤여춘,김창석 한국컴퓨터교육학회 2002 컴퓨터교육학회 논문지 Vol.5 No.4
컴퓨터 산업과 IT산업의 눈부신 발전으로 컴퓨터 관련 교육은 숙련된 인력을 양성하기 위하여 교육의 체제와 방법의 변화가 절실히 필요하게 되었다. 직업교육 훈련 촉진법 및 고등교육법 시행령의 법적 지원과 '신교육 체제의 수립을 위한 교육 개혁 방안(Ⅱ)' 발표로 실업계 고등학교와 전문대학간 교과 과정을 상호 연계하여 운영되고 있다. 그러나 실업계 고등학교와 전문대학간 컴퓨터 교과 관련 연계교육을 성공적으로 운영되기 위한 연구는 미흡한 실정이다. 이에 본 연구는 실업계 고교와 전문대학간 컴퓨터 교과와 관련하여 조사 연구결과 연계교육의 개선방안을 제안한다. With the rapid development of computer and IT industry, the education related to computer come to need computer need sincerely the system of an education and transform of a method in order to rear experienced people. With the publication of legal support of professional educational training promotional rule and high educational enforcement's rule and 'Educational reformation plan for establishing a new educational enforcement's rule and 'Educational reformation plan for establishing a new educational system (Ⅱ)', associated actions between a vocational high schools and technical colleges are being conducted together. But there have rarely been researches which operates successfully the computer curriculum between vocational high school and technical colleges. Accordingly the purpose of this research is proposed to improve the associated actions of the two schools.
Yeo-bin Park,Chang Beohm Ahn,Yun-Leong Park,Ji-Won Baek,Won-Ho Kong,Bo-Sung Kim,Bong-ho Lee,Sun-hee Jang,Choon-ho Song,Hyun-min Yoon,Cheol-hong Kim 대한침구의학회 2021 대한침구의학회지 Vol.38 No.1
The aim of this case report was to observe the effects of intra-articular hominis placenta pharmacopuncture (HPP). Based on the medical records patients who received intra-articular treatment or received acupoint pharmacopuncture treatment, a comparison was made. There were 35 patients who were hospitalized for degenerative osteoarthritis of the knee joint from the 1 st October 2019 to 26 th September 2020. There were 14 patients who were treated with HPP in the intra-articular joint space (Group A), and 14 patients who were treated with HPP at specific acupoints (Group B). The outcome effects were measured using the Korean Western Ontario and Mc (KWOMAC) the visual analog scale (VAS) before the first treatment, and after the fifth treatment. The KWOMAC (p < 0.001) and the VAS scores (p < 0.001) in Groups A and B significantly improved after treatment compared with before treatment. When comparing Group A improvement with Group B improvement using the KWOMAC there was no statistically significant difference however, when using the VAS scores, Group A treatment was statistically more effective compared with Group B (p = 0.002). This study indicated that HPP may be an effective treatment for knee osteoarthritis. Moreover, intra-articular HPP may be more effective than acupoint HPP for knee osteoarthritis.
윤여근(Yeo-Kun Yoon),나완수(Wan-Soo Nah),한인수(In-Su Han),이태형(Tae-Hyung Lee),박춘수(Choon-Soo Park) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.5
The electric railway cars are operated by high voltage supply through the catenary wire. Also, numerous electric equipments operated by electric signal are distributed in the electric railway cars. Such electric equipments are exposed to EMI/EMC problems, and there is the possibility that the magnetic field due to the catenary wire current takes effect on the electromagnetic field in the electric railway cars which move under the catenary wire. There is the possibility that the electromagnetic interference generates in view of the operation of many electric equipments in the electric railway cars. There is the possibility that the communication device faults generate, and that the hazards on the human beings generate. In this paper, we predict the magnetic field around the catenary wire, and obtain the exact magnetic field distribution by comparing the analytic results and the numerical results. Finally, we confirmed the possibility of the passive loop mitigation by comparing the analytic results and the numerical results through the passive loop mitigation technique.
넙치 Paralichthys olivaceus 초대 배양 간세포의 난황 전구물질 합성에 미치는 estradiol-12β와 2,4-D 의 영향
송춘복,이영돈,이제희,임윤규,최미경,여인규,허문수 한국어류학회 2000 韓國魚類學會誌 Vol.12 No.3
Effects of estradiol-17β(E₂) and 2, 4-dichlorophenoxy acetic acid(2, 4-D) on vitellogenin(VTG) production were investigated in primary hepatocyte culture of olive flounder, Paralichthys olivaceus. Highest survival rate of hepatocyte were observed at 27℃, which markedly declined equal to 50% of those of 15℃. Vitellogenin production peaked at the concentration of 10^(-6) M E₂. No effect was observed on VTG production at various concentrations of 2, 4-D. However, a low concentration of 2, 4-D (ie, 10^(-8)M) only appeared increased VTG production. E₂ or 10^-8M 2, 4-D-primed VTG production was markedly inhibited by the addition of 10^(-6)M tamoxifen to the culture medium(P<0.01). Inhibition was not affected by combinational treatment with 10^(-6)M E₂ and 10^(-6)M 2, 4-D. These results from the current investigation suggest that 2, 4-D mimics E₂, but the mechanism of reaction in inducing the E₂ receptor are different in VTG production in oliver flounder hepatocytes.
ITO박막/세라믹유전체 구조의 이동통신 주파수대역용 박형 전파흡수체의 설계 및 제조
윤여춘,김성수,Yoon, Yeo-Choon,Kim, Sung-Soo 한국재료학회 2003 한국재료학회지 Vol.13 No.4
For the aim of thin microwave absorbers used in mobile telecommunication frequency band, this study proposed a high permittivity dielectrics(λ/4 spacer) coated with ITO thin films of 377 $\Omega$/sq(impedance transformer). High frequency dielectric properties of ferroelectric ceramics, electrical properties of ITO thin films and microwave absorbing properties of ITO/dielectrics were investigated. Ferroelectric materials including $BaTiO_3$(BT), 0.9Pb($Mg_{1}$3/Nb$_{2}$3/)$O_3$-0.1 $PbTiO_3$(PMN-PT), 0.8 Pb (Mg$_{1}$3/$Nb_{2}$3/)$O_3$-0.2 Pb($Zn_{1}$3$_Nb{2}$3/)$O_3$(PMN-PZN) were prepared by ceramic processing for high permittivity dielectrics,. The ferroelectric materials show high dielectric constant and dielectric loss in the microwave frequency range. The microwave absorbance (at 2 ㎓) of BT, 0.9PMN-0.1PT, and 0.8PMN-0.2PZN were found to be 60%(at a thickness of 3.5 mm), 20% (2.5 mm), and 30% (2.5 mm), respectively. By coating the ITO thin films on the ferroelectric substrates with λ/4 thickness, the microwave absorbance is greatly improved. Particularly, when the surface resistance of ITO films is closed of 377 $\Omega$/sq, the reflection loss is reduced to -20 ㏈(99% absorbance). This is attributed to the wave impedance matching controlled by ITO thin films at a given thickness of high permittivity dielectrics of λ/4 (3.5 mm for BT, 2.5 mm for PMN-PT and PMN-PZN at 2 ㎓). It is, therefore, successfully proposed that the ITO/ferroelectric materials with controlled surface resistance and high dielectric constant can be useful as a thin microwave absorbers in mobile telecommunication frequency band.