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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.
이성노,이은모 忠南大學校 産業技術硏究所 1994 산업기술연구논문집 Vol.9 No.2
This study has been performed on the oil boiler of 15,000kcal/h, making change of quantiy of air feed, supplying water and fuel component. The findings of the experiment were as follows 1) In accordance with having increase quantity of air feed, temperature of exhaust gas raised and efficienoy of boiler went down; therefore, the operation of the boiler have to be limited on condition that the air ratio is adove 1.45 and smoke scale number is less than one. 2) By experimentaion, the temperature of the supply of water, when the quantity of the waters supply is within the limits of 300㎏/h∼800㎏/h, is the following formula. t₂=-0.781xGw+85[℃] The temperature of exhaust gas drops by 10 degrees as the quatity of supplying water shows 1.5 time increase and drops by 20 degrees as show 2 times increase. 3) In the experiment by change of the fuel component, combustion of mixture-oil below 80:20(kerosene:bunker oil) smoke scale number was zero or one was the most economic combustion of all.
빙핵활성단백질의 N-terminal 부분을 이용한 녹색형광단백질의 Zymomonas mobilis 세포 표면 발현
이은모,최신건 江原大學校 産業技術硏究所 2009 産業技術硏究 Vol.29 No.B
Green fluorescent protein (GFPuv) was displayed on the surface of ethanol-producing bacteria Zymomonas mobilis using N-terminal domain of ice nucleation protein (INP) as an anchoring motif. To evaluate the ice nucleation protein as plausible anchor motif in Z. mobilis, GFPuv gene was subcloned into Zymomonas expression vector yielding pBBR1MCS-3/pPDC/INPN/GFPuv plasmid., INP-GFPuv fusion protein was expressed in Z. mobilis and its fluorescence was verified by confocal microscopy. The successful display of GFPuv on Zymomonas mobilis suggest that INP anchor motif could be used for future fusion partner in Z. mobilis strain improvement.
이모래,김오정,최은화,정동선 서울여자대학교 자연과학연구소 2004 자연과학연구논문집 Vol.16 No.-
Actinomycetes were isolated from soil at Kangdong area in Seoul to screen bioactive metabolites. One of strains having antibacterial activity was selected and characterized. The isolated strain was identified as Streptomyces sp. on the basis of its cultural, morphological and physiological properties. This strain produced antibacterial substances in culture broth after 7days cultivation, and its productivity continued to increase for 14 days. The metabolites exhibited potent antibacterial activities to various bacterial strains including multidrug-resistant strain of Staphylococcus aureus.
이윤희,안준모,김태성,박은희,정집광,이석민,이해혁 순천향의학연구소 2002 Journal of Soonchunhyang Medical Science Vol.8 No.1
Object: To compare pregnancy outcome between term pregnancy and postterm pregnancy. Method: A clinical observation has been made on 60 cases of postterm pregnancies out of 64 cases delivered at the Dept. of Obstetrics & Gynecology, Soonchunhyang University from January 1, 1997 to May 31, 2002. 100 cases of full term deliveries of 37 to 42 gestational weeks conducted in same period were used as the control group for this study. We analyzed their cesarean section rate, fetal weight, placental weight, meconium stain, perinatal morbidity. The statistical significance was defined as P<0.05. Result: The following results were obtained 1. The incidence of postterm pregnancy was 1.34%. 2. The cesarean delivery rate in postterm group(51.7%) was significantly higher than control group(26%). 3. The incidence of large fetus (weight over 4,000gm) in the postterm group(21.7%) was higher than control group(2%). 4. The weight of placenta was 757g and 706g in the postterm group and control group respectively. 5. 1, 5 minute Apgar score lower in the postterm group than control group. Conclusion : To decrease perinatal morbidity and cesarean rate at 42 or more weeks gestation, appropriate labor induction and twice weekly biophysical profile and USF(AI, Doppler) may be indicated.
주의력결핍 과잉행동장애 아동의 지적수준에 따른 정신병리와 실행기능의 차이
천은진,서완석,이종범,김진성,구본훈,송창진,성형모,배준용,배대석 大韓神經精神醫學會 2005 신경정신의학 Vol.44 No.4
To investigate psychopathoIogy and executive functions of attention deficit hyperactivity disorder (ADHD) children according to intelligence level, this study included 197 ADHD children who visited the outpatient department of neuropsychiatry of YeungNam University Medical Center, from July 2000 to June 2002. The children were divided into groups based on their intelligence levels. They were compared by the Personality Inventory for Children (PIC), Conncers' Continuous Performence Test (CPT), and Wisconsin Card Sorting Test (WCST). There were significant differences in PIC, on the subscales of verbal development, socialization and autism. In the CPT, there was no significant difference. In the WCST, there were significant differences in the total number of errors, the number of perseverative errors, the number of completed categories and the number of trials needed to complete the first category. Considering these results, the intelligence level of ADHD children is related to their disabilities and behavioral symptoms.Executive functions such as abstract thinking, categorization, working memory and flexibility had significant relationship to the intelligence levels of ADHD children. Therefore, the intelligence level of children with ADHD influences the higher executive functions of regulating attention and information processing rather than attentional functions and capacity alone.