최근 10년간 원광의대병원에서 시행한 소아 심장혈관 수술의 임상적 고찰

윤향석,정수미,최두영,오광수,오연균,김종덕,양현웅,이삼윤,김형곤,최종범,최순호,노병석 圓光大學校 醫科學硏究所 1995 圓光醫科學 Vol.11 No.2

We reviewed 10 years experiences of the clinical aspects and early postoperative results in 544 pediatric patients(age less than 16 years old). Among them. 529 cases had the congenital heart diseases, and 15 had the acquired diseases. Open heart surgery was performed in 413 patients. 115 cases were treated with non-open heart surgery. 16 with interventional catheterization. Annual increase of the cardiac patients was not significant in recent 10 years, except slight increase in 1994. The mean age of the study patients had been evidently changed to younger year by year. Total mortality rate of the open heart surgery was 6.4%. The cyanotic congenital heart diseases were high in early postoperative mortality by 25.7%, whereas 4% in acyanotic group. The age group less than one month was most highest in surgical mortality(66.7%). There were no deaths in patients with patent ductus arteriosus(103 cases), atrial septal defect(83 cases) or pulmonary stenosis(17 cases). Among 220 patients with ventricular septal defects(VSD). 10(4.5%) were died early postoperatively. In cyanotic group, the patients with pulmonary atresia with ventricular septal defects(PAVSD), transposition of the great arteries(TGA), interrupted aortic arch(IAA), complex cardiac anomalies with isomerism seemed to be most susceptible to an early death.

老齡者의 建康을 위한 生活習慣 實態調査

申東敏,長鳳愚,李揆文,金賢俊,金昌範,崔宗洙,崔鍾晥,李鍾珏,金圭碩,趙庚旭,金鍾聲,朴鍾振 平生體育硏究所 論文集 1987 平生體育硏究所 論文集 Vol.2 No.-

With a view to examining the habit and method in which old people maintain and improve their health, we consulted 551 men and 444 women who were over 65 years old, and concluded as follows: 1. Habit of eating It's been revealed that most of the old people keep a regular eating hour, control the quantity of meal or eat a little food, and prefer vegetables to meat. 2. Mental health Old people feel the necessity for mental health and most of them (about 80%) keep good mental health without becoming pessimistic. Their chief concenrs have turned out to be about their sons and daughters and their own health and finance. 3. Managing Good Health It has been revelaed that old people do not possess any special kind of secret to keep good health but taking plenty of rest, regular meal, and proper exercise, and many of them (about 60%) have been shown to eat invigorant food that they can easily get around their living area. 4. Physical Functions It has been revealed that many old people are conscious of some symptoms about their parts of body and about to percent of them suffers from neuralgia. Some measures like medical aid especially for old people need to be taken as soon as possible. As we have found that the health-keeping method of old people consists plenty of rest, proper exercise, and appropriate nutrition, we can conclude that the recreatonal and culture facilities and programs for keeping old people in good health should be developed. It is also necessary to study food that contribute to their health and develop ways to get rid of the stresses to which they are exposed in their daily life. Presides, it is natural that government found an administrative department to deal with these matters effectively.

간척지 중염답에서 유수형성기 염처리에 따른 벼 생육 및 수량 변화

최원영,이규성,고종철,김상수,김태수 한국국제농업개발학회 2003 韓國國際農業開發學會誌 Vol.15 No.3

본 연구는 새계화벼를 공시하여 간척지 중염답(0.3~0.4%)에서 관개수 염농도에 따른 생육 및 수량성을 검토하고자 유수형성기에 5일간 염수를 처리하여 시험한 결과를 요약하면 다음과 같다. 1. 관개수 염분농도가 높을수록 벼 출수는 1~2일 지연되었고, 출수기 지상부건물중은 가벼워졌다. 2. 간장과 수장은 관개수 염분농도가 높을수록 짧아졌다. 3. 관개수 염분농도가 높을수록 수당 립수가 적어 ㎡당 립수가 적었으며, 등숙비율이 낮고 현미 천립중이 가벼워, 쌀 수량은 민물 관개(무처리)의 330㎏/10a에 비해 관개수 염분농도 0.1%는 94%, 0.3%는 85%, 0.5%는 76%, 0.7%는 71%의 수량을 얻었다. 4. 관개수 염분농도가 높을수록 완전립 비율은 낮아졌다. 따라서 간척지에서 중염도 토양(0.3~0.4%)에서 벼를 재배하여 유수형성기에 한발이 닥쳐 저류지 등 염분 농도 0.7%의 물로 5일간 담수하여도 쌀 수량은 29% 정도 감수되고 쌀의 품위도 저하되지만 어느 정도 수량은 얻을 수 있을 것으로 생각된다. This experiment was conducted at the Kyehwado Substation of the National Honam Agricultural Experiment Station(NHAES) RDA, Korea. The experimental field contained 0.38% NaCl in soil solution. The experiment was involved five treatments (control, 0.1, 0.3, 0.5, 0.7%) in a randomized complete block design with three replicates, saline solution was applied only one time at panicle formation stage for 5 days. Saegyehwabyeo, a japonica rice variety was used in this experiment. In yield components, Spikelets number per ㎡ decreased with increasing salinity level, particularly in the 0.7% of saline solution water. This factor affected the most yield reduction among the components. The percentage of ripened grain was inclined to decrease with increasing salinity level. 1,000 grain weight decreased with increasing salinity level but it was lest affected by salinity among yield components. The reduction of milled rice yield decreased significantly with increased saline water level, in detail 6% of yield reduction at the 0.1% saline solution, 15% at the 0.3%, 24% at the 0.5%, and 29% at the 0.7% saline solution level compared with control respectively. Results indicate that the gaining of rice yield could be reliable performance in terms of economical benefit for rice production even though high reduction of yield occurred at high salinity levels on a reclaimed saline soil in Korea.

年度別 體育豫算과 競技實績 變化 推移

崔宗洙,鄭升溶,金鍾聲,趙庚旭 忠北大學校 平生體育硏究所 1987 平生體育硏究所 論文集 Vol.2 No.-

The purpose of this study is to investigate between financial support and actual results of sporting game of the Amateur Athletic Association in C-province and the general cities, others provinces. The settled accounts of budget on the C-province Amateur Athletic Association grew to the increased rate of nominal budget than settled accounts of budget inthe previous year, but decreased the settled accounts of real budget think over the rate of raise in prices than the increased of nominal budget. The more the settled accounts of budget on the Amateur Athletics Association-grew, the better the marks obtained of sporting events in a nation athletic meet becamed. Namely, there is a slight growing tendency to bring about good results that the settled accounts of the Amateur Athletic Association budget all of cities, others provinces increased, but didn't absolute.

니켈기 초내열합금의 고온부식거동에 관한 연구

최승주,이재현,이찬규,김근수,이종훈 國立 昌原大學校 産業技術硏究所 1998 産技硏論文集 Vol.12 No.-

Hot corrosion behavior of the CMSX-2, CMSX-4, Rene 77, Rene 80 Ni-base superalloys was investigated at 900℃ by two different corrosion methods, immersing the samples in Na2SO4-NaCl mixture(immersion test)and coating the salt mixture on the surface of the samples(modified coating test). The effects of corrosion times and salt compositions from 0 to 100 percent in Na2SO4-NaCl mixtures were examined. Experimental results showed that the corrosion depths in the alloys increased with increasing time, and the depths of the modified coating test were shotter than those of the immersion test in the mixed salt. It was found that the depths of CMSX series alloys increasing NaCl contents in the mixtures up to 50% NaCl. Corrosion products of the alloys were composed of Cr, Al, Ti oxides. The oxide scale, such as Cr₂O₃, Al₂O₃, TiO₂, were shown to improve hot corrosion resistance in the fused Na₂SO₄-NaCl mixtures.

감의 脫澁處理中 Pectin 含量과 Texture의 變化

崔鍾旭,孫泰華,鄭信敎,李吉雨,姜峻洙 慶北大學校 1989 論文集 Vol.47 No.-

This experiment was made to investigate the changes of the contents of acetaldehyde, alcohol, tannin, and to study the texture changes of persimmon in relation to the contents of pection during the removal of astringency by CO_2. 1. During the removal of astringency of persimmon fruits, the contents of soluble tannin showed the rapid decrease in high concentration of CO_2, but the contents of ethanol and acetaldehyde showed the rapid increase in all treatments. 2. The contents of W.S.P. increased, but H.S.P. decreased in all treatments. 3. All texture paramenters of persimmon fruits except springness and adhesiveness were decreased druing the removal of astringency. 4. The contents of W.S.P. were good correlated with the changes of hardness in all treatments.

비선형 시스템제어를 위한 퍼지-뉴로 제어기 개발

崔京三,李鍾洙 弘益大學校 科學基術硏究所 1999 科學技術硏究論文集 Vol.10 No.2

In this paper, we propose a new control algorithm based on the neural network(NN) feedback compensation with a desired trajectory modification. The proposed algorithm decreases trajectory errors by a feed-forward desired torque combined with a neural network feedback torque component. And, to robustly control the tracking error, we modified the desired trajectory by variable structure concept smoothed by a fuzzy logic. For the numerical simulation, a 2-link robot manipulator model was assumed. To simulate the disturbance due to the modelling uncertainty. As a result of this simulation, the proposed method shows better trajectory tracking performance compared with the CTM and decreases the chattering in control inputs.

음악마케팅이 이해

최종수 민족음악학회 1997 음악과 민족 Vol.14 No.-

餘暇生活 實態 推移에 관한 文獻考察

崔淙洙,韓正煥 忠北大學校師範大學附設 平生體育硏究所 1993 平生體育硏究所 論文集 Vol.6 No.-

The role and the function for the modern people are being deversified and varied in many ways owing to the material culture. With the representative books selected for the definite period, the wants I have considered the variation of the leisure are follows; 1) Accordign to the industrialization, the working hour is decreasing and leisure time is increasing, but the activity for this situation is not enough. 2) Female sex has more leisure time than male sex, but the leisure activity for female is wanting. 3) the ones who are over thirties have more leisure time than any other ages. 4) There are much different quantities of leisure time according to the kind of their vocation, so the leisure activity program for his own job is necessary. As a result of my studying for these situations. I have got the follwing conclusions. 1) The need for sports and creative recreations increasing. 2) Male is sleeping much time in sports, travel, and other activities, but female is spending her time in sleeping and domestic chore. 3) More educated people are enjoying more creative activities and sports, but less educated people are spending their time in sleeping, domestic chore, and watchig TV. A rural area has worse leisure time than a urban one an this present situation has been depended in the modernization of korea. Therefore the betterment should be made after due consideration of the difference of leisure time and quality of leisure action.

부신 제거 백서에 티타늄 임플랜트 매식후 주위 골형성에 관한 연구

최갑림,김종렬,박봉수,성일용 대한악안면성형재건외과학회 2000 Maxillofacial Plastic Reconstructive Surgery Vol.22 No.3

The use of dental implants has increased tremendously in recent years and is expected to increase even more in the future. The successful outcome of any implant procedure is surely dependent on interrelationship of the various components of an equation that includes biocompatibility of implant material, macroscopic and microscopic nature of the implant surface, the status of implant bed, surgical technique, undisturbed healing phase and subsequent prosthetic design and long-term loading phase. The purpose of this study was to clarify the effects of adrenalectomy on the osseointegration of pure titanium implants. Seventy rats, 11 weeks of age, were divided into two groups : an adrenalectomized group and a control group. Titanium screw implant(diameter, 2.0mm ; length, 3.5mm) was placed into left tibia of 70 rats, 35 in control group and 35 in the experimental group. The rats were sacrificed at different time interval (1, 2, 3, 4, 6, 8, and 12 weeks after implantation) for histopathologic observation, histomorphometric analysis and immunohistochemistry with fibronectin and CD44 antibody. The results obtained from this study were as follows : 1.Histopathogically, findings, newly formed bone was seen at 3 weeks control group and became lamellar bone at 12 weeks. At 6 weeks, lipocytes were observed in bone marrow space. Thickness of regenerated trabecular bone increased till 6 weeks after then, that decreased gradually. 2.By histomorphometric analysis, marrow bone density and contact ratio of marrow bone to implant decreased significantly from 8 to 12 weeks in experimental group compared to control group and also total bone to implant contact ratio decreased significantly from 4 to 12 weeks in experimental group compared to control group. 3.Fibronectin immunoreactivity was very strong at 3 and 4 weeks control group. And after that reduced gradually. But it was continuously strong from 1 to 12 weeks experimental group. 4.CD44 immunoreactivity was very strong in the newly formed osteoblasts at 3 and 4 weeks control group. But it reacted minimally later. However, it reacted continuously strong from 3 to 12 weeks experimental group. From these results, bone to implant contact ratio decreased gradually from 4 weeks in adrenalectomized group compared to control group. CD44 and fibronectin immunoreactivities were strong at all times in adrenalectomized rats. Therefore, it could be stated that immature bone remained continuously for a long time and not readily proceeded into mature status.