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Mo 화학기상증착에 있어서 불순물 농도에 미치는 증착조건의 영향
배상석,서성교,홍은식,김승모,조미정,한혜정,이두성,김세훈,민석홍 국립7개대학공동논문집간행위원회 2001 공업기술연구 Vol.1 No.-
The thermal decomposition process of Mo(CO)_6 on chemical vapor deposition was investigated by analyzing the effects of deposition temperature, pressure, and reaction gas on the phase change of deposited films. Mo_2C was deposited at or below 350℃ due to the incompleteness of thermal decomposition of Mo(CO)_6, but Mo films was successfully deposited at 400℃ or higher temperatures. The variation of deposition pressure did not change the dependence of decomposition process on deposition temperature. The activation energy of surface reaction was 5.8 ㎉/mole.
증발 표면적 증대를 위한 수적 분리기 특성에 관한 연구
모종근,공태우,이광영,정효민,정한식,서정세 경상대학교 해양산업연구소 2002 해양산업연구소보 Vol.15 No.-
The purpose of this research is to obtain the characteristics of water-vapor separator for improving the evaporative surface. The experimental system is constituted with water vapor generator, vapor storage tank, laser source for visualization and camera for photography. The efficiency of water-vapor separator can be varied by the kinds of the inside materials. Thus, in this report, we introduced the three kinds of materials with wire scrap, wire brush and sponge. As the experimental results, the wire brush was showed the best efficiency with 185 g/hr.
한신희,박정모 성인간호학회 2002 성인간호학회지 Vol.14 No.3
Purpose: The Purpose of this research was to develop the integrative exercise program for the elderly. Method: The first step was to survey the elder's health status and general health problems The second step was to design the exercise type, intensity, time and frequency. Result: 1. Elders who implement the integrative exercise program had weaker health status, lower physical performance and more depression than any other places. 2. The integrative exercise program developed the preparation stage composed of stretching and Yudongkong-Ki exercise, the central stage was composed of range of motion exercise, muscle strength exercise and aerobic exercise with favorite and popular Korean music. The finishing stage was composed of joint rounding and Yudongkong-Ki exercise. The exercise intensity was RPE(rating perceived exertion) 10-11, maximal pulse rate 40-60%, duration started from 20min to 50min and frequency is 2-3times/wk. Conclusion: The integrative exercise program developed by the researcher is tailored exercise that is more applicable to individual cases in community settings. Eventually, the program is safely applicable to the elders, and is expected to improve the elders' physical function and quality of life.
박정욱,정한모,송재철 울산대학교 2000 생활과학논문집 Vol.2 No.1
시차주사열량기와 색도계를 이용하여 Trehalose의 가래떡 노화에 미치는 영향을 검토하였다. 가래떡의 노화정도는 저장온도와 무관하게 경시적으로 증가하였는데 Trehalose가 노화를 억제하는 것으로 나타났다. 특히 저온에서 노화가 실온보다 심하게 일어났으며 저장초기에 저장온도에 대한 영향이 큰 것으로 나타났다. 그리고 L*값은 실온저장(25℃)시 냉장저장(4℃)의 경우보다 시간에 따른 변화가 컸으며, 냉동보관시 a*값은 저장 1일째 까지는 변화가 없다가 5%를 첨가한 가래떡을 실온에서 저장한 경우에는 가장 낮은 a*값을 나타내었다. b*값의 경우에는 Trehalose 첨가량과 저장온도에 따라 크게 변하지 않았다. 색깔안정화의 효과는 Trehalose 첨가농도가 증가할수록 큰 것으로 나타났으며, 특히 냉장보관시에 효과가 두드러지는 것으로 관찰되었다. This studies were investigated to provide the influence of trehalose on retrogradation of Korean rice cake by differential scanning calorimeter and tristimulus values of CIE color Croma Meter. Having no connection with storage temperature, degree of retrogradation of Korean rice cake was increased with storage time. Degree of retrogradation of Korean rice cake was decreased in case of addition of trehalose to the Korean rice cake paste. Degree of retrogradation of Korean rice cake stored at low temperature(4℃) was higher than that of Korean rice cake stored at room temperature(25℃). In particular, degree of retrogradation of Korean rice cake was shown to be clearly influenced by storage temperature at the beginning of storage. The value of L of Korean rice cake at room temperature was indicated to be significantly changed compared with that of Korean rice cake at low temperature. The value of a of Korean rice cake was not changed until one day of storage, and shown to be minimized in storage at room temperature(25℃) in case of addition of 5% trehalose to the paste of Korean rice cake. The change of b value in general was not significantly observed even if storage temperature and amount of trehalose have been variable. However effects of trehalose in color stability of Korean rice cake was remarkably exhibited in storage at low temperature(4℃).
박정모,한신희 경인여자대학 2002 경인논집 Vol.- No.9
Purpose : The Purpose of this Study was to analyze the status and depression of low income elderly living at home. Method : To identify the status was used SF-36 and the depression was used GDS. The data was collected by interview with 83 adults who visited social welfare organization and community health care center and who were 65 years of age or more subsidized Dong-Gu in Inchon City. Results : 1. Health status of elderly was low with compare of other results findings. 2. Over the 50% of the elderly was depressive. 3. Over the 50% of the elderly has no problems in functional ability 'alone clothing', 'walking around the house', 'walking around the villiage', 'walking 30 minutes'. But the highest only 24.4% in 'running, lifting a something heavy', 'cleaning the house', 'go up 2 or 3 steps' has no problem in the elderly. 4. Except the subcategory of the health status 'the health change', depression correlated with all subcategories of the health status. Conclusion: The old men living in Dong-Gu, Inchon City have severely low health status and depression symptom. They need the intervention to prevent physical functional disability and emotional distress.
선박수리업무에 종사하는 군무원들의 작업환경에 대한 인식이 직업만족도에 미치는 영향
오경재,모영하,윤한,김명선,이정미,권근상 한국산업위생학회 2003 한국산업보건학회지 Vol.13 No.1
This study was carried out to evaluate the relations among working environments, health behaviors and satisfaction with their duty in a group of 200 ship-repair workers in the ROK navy. The results were as following; Age of workers was 40 years and over(83%) and working duration was 10 years and over (71.5%). Most of them were married and had studied beyond high school. The 69.5% of workers satisfied with their job, whereas. about 59.5% of workers had satisfaction with their working condition. There were current drinkers, 78.5%, current exercising workers, 43.5%, obese workers, 28.0%, and salted food intakers, 18.5% in the workers. The major harmful environmental factors in the ship-repair workplace are noise, vibration, dust and chemicals. Most of workers are exposed to above harmful factors and complained about exposure of noise and dust. The consumption of cigarette or alcohol in people who exposed to noise was much higher than in people who did not, but the difference was not statistically significant. Prevalence of obesity and hypertension were not significantly different between the exposure with noise and dust. Noise or dust exposure was significant relation to satisfaction with their duty and working condition. The affective factors for satisfaction with their duty were people who worked for 10 years or more(OR= 4.53), exercisers(OR=4.78) and dust(OR=3.05) in Logistic regression analysis.
Jeong, Han-Mo,Choi, Mi-Yeon,Kim, Min-Seok,An, Jin-Hee,Jung, Jin-Su,Kim, Jae-Hoon,Kim, Byung-Kyu,Cho, Sung-Man The Polymer Society of Korea 2006 Macromolecular Research Vol.14 No.6
An azoinitiator linked to an epoxy oligomer, which could easily diffuse into the organoclay gallery and swell it, was used as an initiator to enhance the delamination of an organoclay, Cloisite 25A, in a matrix of styrenic polymers, poly(styrene-co-acrylonitrile) and polystyrene, during the preparation of a nanocomposite via an in-situ polymerization method. X-ray diffraction results and transmission electron microscopic observation of the morphology showed that the epoxy segment enhanced not only the delamination but also the extrication of ammonium cations from the organoclay gallery into the polymer matrix. The latter phenomenon induced the structural change of the alkyl group of ammonium cations in the gallery from a bilayer to monolayer structure, and also decreased the glass-rubber transition temperature as measured by a differential scanning calorimeter and dynamic mechanical analyzer.