전기 방열기가 국화재배온실의 난방에 미치는 영향

서원명 ( Won Myung Suh ),임재운 ( Jae Woon Leem ),김영주 ( Young Ju Kim ),민영봉 ( Young Bong Min ),김현태 ( Hyeon Tae Kim ),허무룡 ( Moo Ryong Huh ),윤용철 ( Yong Cheol Yoon ) 경상대학교 농업생명과학연구원(구 경상대학교 농업자원이용연구소) 2010 농업생명과학연구 Vol.44 No.4

경상대학교 교내에 설치되어 있는 1-2W형 온실을 대상으로 전기 방열기를 이용하여 국화 재배온실의 난방효과를 검토한 결과는 다음과 같다. 실험기간동안 최고, 평균 및 최저 외기온은 각각 -3.8~21.3℃, -5.2~16.1℃ 및 -12.5~14.4℃ 정도의 범위로 나타났으며, 온실 내외의 평균상대습도 각각 43.5~98.6% 및 35.2~100%로 나타났다. 12월 중순부터 2월 상순까지 최저 외기온은 대략 -5.0~-10.0℃ 전후로 나타나 진주기상대의 최근 자료와 비교하면 상대적으로 최저기온이 낮게 나타나는 경향이 있었다. 야간의 경우, 방열기 직하부의 엽온이 방열기 중간 지점에서 측정한 엽온 보다 크게 2~3℃정도 높게 나타나거나 또는 미미하지만 약간 높게 나타나는 경향이 있었다. 근권부의 경우, 직하부나 중간 지점에서의 온도 차이는 거의 없는 것으로 나타났고, 근권부의 최고온도와 기타 최고 온도의 발생 시점을 보면, 약 2시간정도의 지체현상이 있음을 알 수 있었다. 그리고 실험기간동안 난방에 소요된 총 소비전력량, 공급에너지 및 총 난방비는 각각 2,800kWh, 2,408,000kcal 및 112,000won 정도였다. 화석연료인 경유로 난방할 경우, 총 난방비는 224,500won 정도였다. 방열기를 이용하여 난방할 경우, 난방비를 약 50% 정도 줄일 수 있을 것으로 판단되었다. An analysis in heating effects of an electric radiator located in a 1-2W type chrysanthemum (3 cultivars) cultivation greenhouse installed in Gyeongsang National University drew the following conclusions. During the experiment period, the highest, average, and the lowest outside temperatures were in the ranges of -3.8~21.3℃, -5.2~16.1℃ and -12.5~14.4℃, respectively, and the average relative humidity inside and outside the greenhouses were in the ranges of 43.5~98.6% and 35.2~100%, respectively. From mid-December to early February, the lowest outside temperature was recorded as approximately -5.0~-10.0℃, which showed that it tended to be relatively lower than the temperatures recorded at the Jinju Meteorological Observatory. During the night, the leaf temperature measured directly under the radiator tended to be higher by 2~3℃ than that those at the middle point of the radiator, or higher by anegligible amount. In the case of root zone temperature, it was found that there was almost no difference between temperatures of the part directly under and the middle point, and the time when the highest temperature of root zone and other highest temperatures took place showed that there was about a 2-hour delay phenomenon. The total electricity consumption, energy supply and total heating cost during the experiment period were 2,800 kWh, 2,408,000 kcal and 112,000 won, respectively. When diesel, a kind of fossil fuel, was used as heating oil, the total heating cost was around 224,500 won. It was estimated that the total heating cost could be reduced by around 50% if a radiator was used.

三鍾 黃連類의 氣管支 平骨筋 弛緩效果에 關한 硏究

서영철,임성우,신길조,이원철 한국한의학연구원 1996 한국한의학연구원논문집 Vol.2 No.1

This study was carried out to investigate the tracheal muscle relaxation of water extracts of three kinds of Coptis thizoma and also compare of Coptis rhizoma, in isolated rat tracheal smooth muscle. As a result, Coptis chinensis showed significant tracheal muscle relaxation on KCI-induced contraction and more markedly on carbachol-induced contraction in close-dependent manner. Coptis japonica exhibited also tracheal muscle relaxation on both contraction with slightly weaker activities than those of Coptis chinensis. The activities of the root hair of Coptis chinensis were the most weakest in three thizomas. Berberine and palmatine had strong tracheal muscle relazation, especially, on carbachol-induced contraction, however, their activities on KCI-induced contraction were weaker than that of Coptis chinensis. The inhibitory effects of three kinds of Coptis rhizoma on the contraction by KCI and carbachol were inbestigated to explain the process of their tracheal muscle relaxation. All rhizomas inhibited the contraction by both agents, among them, Coptis japonica showed the most significant effect, so indicating the tracheal muscle relaxation of Coptis rhizoma may be concerned with the blocking of muscarine receptor and Ca²+ channel.

公用收用制度의 發達

徐元宇 동국대학교 행정대학원 1974 행정논집 Vol.5 No.-

Alnico 8 型 硬質磁性材料의 磁氣的 性質에 미치는 添加元素의 影響

徐圓根,金澤基,金潤培 忠南大學校 産業技術硏究所 1986 산업기술연구논문집 Vol.1 No.1

In order to study the alloying elements effects on the magnetic properties in Alnico 8 (Fe-35Co-14Ni-7Al-5Ti-3Cu) permanent magnet alloy, some Alnico 8-type alloys which are different in composition of Ni, Cu, Ti and Al were prepared by induction melting. They were thermomagnetically treated at 740℃ - 840℃ for 3-15 min and then aged at 600℃ for 15hours. The magnetic properties and the optimum thermomagnetic treatment condition were investigated. The results were as follows ; 1) The region of the high temperature α phase, the zone of the solution treatment, is extended by Al and Ti, but that is reduced by Ni and Cu. 2) In the composition range of 10-14 wt.% of Ni, the coercive force decreases greatly with decreasing the Ni content with little change of the residual magnetization and the squareness of demagnetization curve. The optimum thermomagnetic treatment condition appeared at high temperature and short time with decreasing the Ni content. 3) In the composition range of 1-3wt.% of Cu, the coercive force decreases greatly with decreasing the Cu content, but the residual magnetization shows increasing tendency with decreasing the Cu content. The optimum thermomagnetic treatment condition appeared at low temperature and long time with decreasing the Cu content. 4) In the composition range of 5-8wt.% of Ti, the coercive force increases with increasing the Ti content, but the residual magnetization decreases with increasing Ti content. The optimum thermomagnetic treatment temperature was not dependent on the Ti content, but the optimum thermomagnetic treatment time appeared at long time with increasing the Ti content.

구속된 비행 청소년들의 석방 후 6개월 이내 재범의 예측요인

서동혁,정선주,손창호,김원식,고승희,함봉진,조성진,김영기,이중재 大韓神經精神醫學會 2001 신경정신의학 Vol.40 No.3

연구목적 : 본 연구는 범법행위로 인해 검참에 구속된 청소년들의 6개월 이내 재범여부를 예측할 수 있는 요인을 분석함으로써 재범의 가능성이 높은 청소년들을 조기에 선별하여 적절한 중재를 시행하기 위한 목적으로 시행되었다. 방 법 : 검찰에 구속된 후 교도소나 소년원에 수감되지 않고 석박된 남자 청소년 125명을 대상으로 하였다. 범죄기록 검토를 통해 사회인구학적, 범죄관련 변인들에 대해 조사하였고, 가족환경 및 부모양육태도, 정신병리, 성격장애, 도덕발달수준 등과 연관된 변인을 알아보기 위해, 부모-이동 갈등해결척도(CTSPC), 한국판 가정환경척도(FES), 한국형 부모양육행동척도, 간이정신진단검사(SCL-90-R), Beck 우울증척도, Beck 불안 척도, 한국판 청소년용 도덕발달수준 평가도구와 한국판 성격장애검사(PDQ-R)를 시행하였다. 결 과 : 전체 연구대상 125명 중 55명 (44%)이 석방 후 6개월 이내에 1회 이상의 재범을 행하였다. 재범군은 비재범군에 비해 구속당시 나이가 어리고, 신체적 학대력이 높았으며, 도덕발달수준이 낮고, SCL-90-R의 적대감척도점수가 높으며 PDQ-R의 반사회적 인격장애에 해당되는 경우가 많았다. 두 집단간 가족환경이나 부모양육태도에는 유의한 차이가 나타나지 않았다. 재범군은 폭력범죄로 구속된 경우가 비재범군에 비해 적었고 첫 범죄시 연령이 어리고 전과가 있는 경우가 많았다. 로지스틱 회귀분석 결과, 재범에 대한 예측요인으로 첫 범죄당시 연령(오즈비=2.91), 반사회적 성격장애(오즈비=2.85), 신체적 학대력(오즈비=2.65)의 세 변인이 포함되었으며, 재범여부에 대한 판별력은 72.8%로 나타났다. 결 론 : 본 연구결과 구속된 청소년들의 재범률이 매우 높다는 사실과 범죄행위에 가담한 연령이 어릴수록, 반사회적 성격장애가 있고 성장과정 중 부모로부터 학대를 받은 경험이 있을수록 반복적인 범죄를 저지를 위험도가 높다는 것을 알 수 있었다. 향후 비행 청소년들의 재범을 예방하기 위해서는 이러한 특성을 가진 고위험군에 대한 조기개입 및 적응을 돕기 위한 프로그램의 개발이 중요할 것으로 사료된다. Objectives : This study was performed to investigate the factors predicting recidivism within 6months after release in arrested juvenile delinquents for proper screening and intervention of high-risk-subjects. Methods : The subjects consisted of 125 arrested male adolescents who were released after legal procedure in prosecutor office and court. The socio-demographic and crime-related characteristics. Were evaluated by police records, and the familial, psychopathology and personality characteristics, and the level of moral development measured by the Conflict Tactics Scale(CTS), Family Environment Scale(FES), Parental Behavioral Inventory, Symptom Checklist-90-Revised(SCL-90-R), Beck Depression Inventory, Beck Anxiety Inventory, Korean form of Moral Developmental Inventory for adolescents, and Personality Disorder Questionnaire-Revised(PDQ-R). Results : The recidivism rate within 6 months after release was 44% of the initial sample, Recidivists were younger and had higher scores on Anger-hostility scale of SCL-90-R and lower principle morality score than nonrecidivists. More recidivists had history of physical abuse and antisocial personality disorder on PDQ-R than nonrecidivists. They also showed the crime-related characteristics of lower percent of violence crime, higher incidence of previous conviction, younger age of the first crime. Among those variables, logistic regression showed that age of first crime, antisocial personality disorder, and history of physical abuse best predicted the recidivism within 6months after release. Conclusion : These results of present study suggest that the recidivism rate of arrested male adolescents is very high, and the age of first crime, antisocial personality disorder and history of physical abuse were key factors predicting recidivism. To prevent repeated crime of delinquent adolescents, the development of programs for those high-risk groups to help rehabilitation and adaptation in community would be essentil.

모더니즘 건축과 네오 모더니즘 건축의 테크놀러지에 대한 개념인식과 표현방식에 관한 연구

서원덕,김정재 대한건축학회 2004 대한건축학회논문집 Vol.20 No.10

Since the Industrial Revolution, technology has played an important role in architecture and has been a major motive in the design process until now. It is developed with the same expressional idea, but the recognition and development of the concept varies. The purpose of this study is to trace expressional method used in the contemporary neo-modernism architecture In relation to the modernism architecture, in order to understand the essence and the distinct contents of the expressional method which varies with the expressional idea of technology and machine aesthetics.

中國 傳統社會와 儒敎文化

徐遠和 한양대학교 한국학연구소 1995 韓國學論集 Vol.27 No.-

行政統制의 類型과 過程

徐元雨 동국대학교 행정대학원 1982 행정논집 Vol.11-12 No.-

現代行政法學에서의 行政過程論

徐元宇 동국대학교 행정대학원 1990 행정논집 Vol.19 No.-

鬱陶 仙境歌考

서원섭 慶北大學校 1969 論文集 Vol.13 No.-

The Ka-Sa (rhythmic prose) introduced here was found by the present writer at Tong-Gu-Mi, Suh-Myun, Wul-Leung Island during summer, 1967. The writer of the Ka-Sa is Si-Ong Park, who was born on July 2, 1864 and died on June 15, 1947 at the age of 84. He wrote the Ka-sa around February 1906. The Ka-Sa was divided in to nine parts and was scanned closely. Its style is terse, and its rhythm is composed of only with 3.4 and 4.4 sound unit. The quality of the Ka-Sa isto be valued rather high considering that it treats with Wul-Leung-Do, one of the three largest lsiands of Korea, while we have not many Ka-Sa whose subject matter is lslands.