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최재호(Jae Ho Choi),임효재(Hyo Jae Lim),김창업(Chang Eob Kim),권정태(Jung Tae Kwon) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.5
This study aims at analyzing the flow characteristics of the electromagnetic pump using a linear induction motor (LIM) for transferring molten metals. The flow characteristics of the pump are simulated by magnetohydrodynamic(MHD) program. In this system, the LIM is used for transferring molten metal by electromagnetic force. The molten metal is treated as the secondary part of the LIM. Since the LIM produces an electromagnetic force in the duct, the molten metal can flow from the furnace to the reservoir. The flow characteristics of the pump are analyzed using MHD program for magnetic field of 0.1[T] in duct. In order to prove the analysis, we made a prototype electromagnetic pump using LIM.
최재석,윤정숙,임태훈,홍성안,이호인 한국공업화학회 2005 응용화학 Vol.9 No.1
In the direct internal reforming type molten carbonate fuel cell, alkali carbonates used as electrolyte in the cell are transported to reforming catalyst of which activity drastically decreases. In our previous work, the deactivation of the nickel catalyst was studied with increasing the amount of added lithium. Unexpectedly, the increase of activity was observed with a small amount of lithium less than 1wt%. The results of TPR, XRD and chemisorption showed no significant difference between the fresh catalyst and the Li-added one, implying that lithium did not cause the change of morphological property of the supported nickel. To elucidate the effect of lithium the methanation of CO was applied to the catalysts, which was considered as the reverse reaction of the key elementary step of methane steam reforming. It can be seen by an online mass spectrometer that the small injection of CO/H₂ mixture into the Li-added catalyst reactor at 650 ℃ showed the longer tail of produced methane than into the fresh one. The delay should be originated from the effect of lithium, which determined the overall rate on the Li-added catalyst.
運動選手의 身體構成과 體型 및 最大有酸素性 能力에 關한 縱斷的 硏究 : 蹴球選手를 中心으로 Emphasised on soccer Players
林相鶴,金豪敏,崔成根,韓泰龍 서울市立大學校 1989 論文集 Vol.23 No.-
This study attempts to find the change and the relationship of body composition somatotype and maximum aerobic power according to the age on the based of result of the survey performed to 69 subjects who attended in the K college, D high school, K middle school. The result were as follows : 1. The percent of fat of all the subjcets was lower than that of ordinary people. 2. Somatotype of subjects was higher mesomorph and lower endomorph. 3. Maximum oxygen uptake was increasing and maximum oxygen uptake per kilogram of body weight was decreasing according to growth. 4. Endomorph and maximum oxygen uptake was sure to have certain correlation.
최종환,엄혁,임태형,김승수,양순용,이병룡,안경관 한국공작기계학회 2003 한국공작기계학회 춘계학술대회논문집 Vol.2003 No.-
The hydraulic excavator has been a popular research object for automation because of its multi-workings and economic efficiency. When it works crane tasks, most of disasters happen. The stability of the excavator having crane function has a close relation with excavator's posture, motion and load. In this paper, the stability of tipping-over has been analysed using Zero Moment Point(ZMP),
관상동맥 질환에서 도플러 심초음파도로 측정한 확장기 좌심실기능의 지표와 혈역학적 소견과의 비교 검토
임헌관,기신영,유창범,최태명,김성구,권영주 순천향의학연구소 1995 Journal of Soonchunhyang Medical Science Vol.1 No.1
Background : Left ventricular diastolic dysfunction is now recognized as a significant cause of cardiac symptoms even in patient with normal systolic ventricular function. During the last several years, the use of Doppler echocardiography for assessing left ventricular diastolic function has attracted increased attention. Doppler study have demonstrated that patients with ischemic heart disease have abnormal diastolic filling pattern suggesting impaired relaxation. Methods : This study was designed to correlate Doppler mitral flow velocity patterns and measuared variance with hemodynamic findings in 33 patients: 10 with myocardial infarction(group 1), 10 with angina pectoris(group 2) and 13 with no coronary disease(group 3). Results: 1. E/A ratio (0.87±0.24 m/sec versus 1.09±0.91 m/sec, P<0.05) was lower in group 1 than in group 3. 2. Significant correlation were demonstrated between pulmonary capillary wedge pressure (PCWP) and isovolumic relaxation time(IVRT) (r=-0.58; p<0.001), and E velocity (r=0.61; p<0.005). 3. IVRT was (61±30msec versus 92±35msec, p<0.05) shorter in patients with PCWP>10mmHg than in patients with PCWP≤10mmHg. Conclusion: Doppler mitral flow recordings have partially clinical potentiality in assessing left ventricalar diastolic function in patient with ischmic heart disease.
한의진단명과 진단요건의 표준화 연구 III : 3차년도 연구결과 보고
최선미,양기상,최승훈,박경모,박종현,심범상,김성우,노석선,이인선,정진홍,이진용,김달래,임형호,김윤범,박성식,송태원,김종우,이승기,최윤정,신순식 한국한의학연구원 1997 한국한의학연구원논문집 Vol.3 No.1
The diagnostic requirements were suggested and explained regarding the systems of differentiation of symptoms and signs in the third year study of standardization and unification of the terms and conditions used for diagnosis in oriental medicine. The systems were as follows : - analyzing and differentiating of epidemic febrile disease - analyzing and differentiating in accordance with the Sasang constitution medicine based on four-type recognition - differentiation of disease according to pathological changes of Chong and Ren channels - standards for diagnosis of women's disease - standards for diagnosis of children's disease - standards for diagnosis of motor and sensor disturbance (-muscle. born, joint, etc.) - standards for diagnosis of neuropsychiatric disease - standards for diagnosis of five sense organ disease - standards for diagnosis of external disease The indivisual diagnosis pattern was arranged by the diagnostic requirements in the following order : another name, notion of diagnosis pattern, index of differentiation of symptoms and signs, the main point of diagnosis, analysis of diagnosis pattern, discrimination of diagnosis pattern, prognosis, a way of curing a disease, prescription, herbs in common use, disease appearing the diagnosis pattern, documents. The standards for diagnosis of each disease was arranged by the diagnostic requirements in the following order : another name, notion of disease, the main point of diagnosis, analyzing and differentiating of disease, analysis of disease, discrimination of disease, prognosis, a way of curing and prescription of disease, disease in western medicine appearing the disease in oriental medicine, documents.
AMESim를 이용한 유압 굴삭기용 Main Control Valve의 해석에 관한 연구
임태형,최종환,양순용,이병룡,안경관 한국공작기계학회 2003 한국공작기계학회 춘계학술대회논문집 Vol.2003 No.-
The hydraulic excavator has been a popular research object for automation because of its multi-workings and economic efficiency. When it works crane tasks, most of disasters happen. The objective of this paper is to design each components and to construct boom, arm, bucket circuit. These models modeled with AMESim show us change of variables and behavior of excavator. Simulation model will be used for simulator of excavator.
최재석,임태훈,홍성안,이호인 한국공업화학회 2004 응용화학 Vol.8 No.1
The deactivation of reforming catalyst in the DIR-MCFC was reported to be affected by dispersion, loading amounts, kind of support and so on. In this research, we checked the resistivities of catalysts prepared by the different methods, and examined the effect of liquid phase oxidation. The oxidized catalyst in a liquid phase showed the increased activity and dispersion even though the nickel species was supported by deposition-precipitation method. In order to investigate the role of the oxidation, TGA, TPR and XRD analyses were conducted. The increase in activity was ascribed to the strong metal-support interaction which was induced by liquidphase oxidation.