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이원조,최상도 진주산업대학교 1992 論文集 Vol.30 No.-
This survey was carried to know the system and peculiarity of the open university. The system of open university(univ.) is a continuing and retraining education system during one’s whole life for the complete or discontinous person in the whole course of school education. Also, the univ. has the open learning system, and there is no a partition in the school, home and society on the learning place. The univ. has an unregrlar course for craftman and a degree course for technologist. Also, the full student number of univ. is in self-control by the school regulations according to the capacity of the univ. and the demand of industial world. A term of school year is unlimitted to take 140 units, and especially the school expense is very cheap and decided by the applied credits. The learning methods are vary, there are in the attendance, mail, correspondence, field and self-control study. Otherwise, an attendece learning methods are contained the day and night, summer and winter, and full and part time. A person who was taked 140 units and passed the a graduation examination is received a bachelor.
이준우,이도한,백운기 충남대학교 환경문제연구소 2000 環境硏究 Vol.18 No.-
This study was conducted to investigate the distribution of wildbird at campus in Chungnam National University. The survey was carried over 5 districts by line transect method from May, 1999 to April 2000, The observed birds were 7 orders 21 families 46 species and 3,057 individuals, these consist of 25 species for residents, 12 species for summer visitors, 5 species for winter visitors, and 4 species for passage migrant. The average density of birds was 12 ea/ha, and main dominant species was Pica pica, Paradoxornis webbianus, Parus major, Aegithalos caudatus, Ixos amaurotis in order. Species richness of bird community showed a maximum value in spring, but density showed a maximum value in winter. Breeding bird community in study area were mainly predominated by hole-nesting guild, canopy-nesting guild and canopy-foraging guild. For the protection of wildbirds at campus, it needs to plant bushes around trails and to control users. Artificial food, water station and artificial nest are needed for the habituation of wildbirds.
TSC 합성보의 제작방법에 따른 구조적 거동에 관한 실험적 연구
이지운,김도훈,김성배,이창남,김상섭,김규석 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1(구조계)
Composite action can be achieved by providing shear connectors between steel top flange and concrete topping. Composite sections have larger stiffness than the summation of the individual stiffness of slab and beam, therefore, can carry larger load or similar loads with appreciably smaller deflection and are less prone to transient vibration. T-type Steel Composite beam(TSC-beam) is developed and tested. To make the part of steel beam, we used the way of welding two steel plates as well as the way of folding one steel plate.
레이저 스페클간섭법에 있어서 스페클크기와 측정 한계에 관한 연구
윤성운,김경석,양승필,정현철,김정호,이도윤 한국공작기계학회 1996 한국생산제조학회지 Vol.5 No.1
The high coherence of laser beam has made it possible to observe interference effects even in the light scattered from rough surfaces. That's why, when object with a scattering surface is illuminated with laser light, we do see a speckled appearance due to random interference. This sort of unique property of laser speckle has brought into existence the new noncontacting techniques such as speckle metrology method of measuring deformation, displacement, and vibration etc of objects with high optical sensitivity. The measurable range of speckle metrology especially used to measure in-plane information, however, is limited by some factors, the so-called strain, rotation, tilt of surface and out of displacement perpendicular to the plane of analysis. This restrictions severly limits the measurable range of speckle metrology by causing the decorrelation of speckle patterns. It is the purpose of this paper to give a survey on the measurable limitation of speckle photography method that is one of speckle metrology. Namely we will discuss the mutual relationships and problems of each limitations adding the restriction of the largest and smallest displacement measurable with speckle methods.
신현열,이동운,추호렬,정도철 경상대학교 농업생명과학연구원 2002 농업생명과학연구 Vol.36 No.4
경남지역 주요 약용 작물 5종에 발생하는 해충과 기타 해로운 동물의 종류를 1999년과 2000년 2개년 동안 조사하였다. 홍화에서는 우엉수염진딧물과 꽃노랑총채벌레, 대만총채벌레, 오이총채벌레, 알락수염노린재를 포함한 13과 16속 20종이 확인되었으며, 산약에서는 꽃노랑총채벌레, 대만총채벌레, 애긴노린재를 포함한 6과 7속 10종이, 두충에서는 차주머니나방을 포함하여 6과 8속 8종이, 당귀에서는 대만총채벌레, 꽃노랑총채벌레, 차응애, 점박이응애, 복숭아혹진딧물을 포함한 11과 15속 16종이, 길경에서는 담배거세미나방, 파밤나방을 포함하여 10과 11속 14종의 해충이 확인되었다. Insect pests and some important arthropod pests infesting five medicinal crops were surveyed in Gyeongnam province in 1999 and 2000. Nineteen species of 16 genera in 12 families including Vroleucon gobonis, Frankliniella occidentalis, F. intonsa, Tetranychus cinnabarinus, Thrips parmi, and Dolycoris baccarum were identified from safflower. Ten species of 7 genera in 6 families including F. occidentalis, F. intonsa, and Nysius plebejus from yam, 8 species of 8 genera in 6 families including Eumeta minuscula from hardy rubber-tree, 16 species of 14 genera in 11 families including F. occidentalis, F. intonsa, T. kanzawai, T. urticae and Myzus persicae from Angelica gigas, 15 species of 14 genera in 11 families including Spodoptera exigua, and S. litura from balloon flower.
Lee, Cheol Whan,Ahn, Jung-Min,Park, Duk-Woo,Kang, Soo-Jin,Lee, Seung-Whan,Kim, Young-Hak,Park, Seong-Wook,Han, Seungbong,Lee, Sang-Gon,Seong, In-Whan,Rha, Seung-Woon,Jeong, Myung-Ho,Lim, Do-Sun,Yoon, American Heart Association, Inc. 2014 CIRCULATION - Vol.129 No.3
<P><B>Background—</B></P><P>The risks and benefits of long-term dual antiplatelet therapy remain unclear.</P><P><B>Methods and Results—</B></P><P>This prospective, multicenter, open-label, randomized comparison trial was conducted in 24 clinical centers in Korea. In total, 5045 patients who received drug-eluting stents and were free of major adverse cardiovascular events and major bleeding for at least 12 months after stent placement were enrolled between July 2007 and July 2011. Patients were randomized to receive aspirin alone (n=2514) or clopidogrel plus aspirin (n=2531). The primary end point was a composite of death resulting from cardiac causes, myocardial infarction, or stroke 24 months after randomization. At 24 months, the primary end point occurred in 57 aspirin-alone group patients (2.4%) and 61 dual-therapy group patients (2.6%; hazard ratio, 0.94; 95% confidence interval, 0.66–1.35; <I>P</I>=0.75). The 2 groups did not differ significantly in terms of the individual risks of death resulting from any cause, myocardial infarction, stent thrombosis, or stroke. Major bleeding occurred in 24 (1.1%) and 34 (1.4%) of the aspirin-alone group and dual-therapy group patients, respectively (hazard ratio, 0.71; 95% confidence interval, 0.42–1.20; <I>P</I>=0.20).</P><P><B>Conclusions—</B></P><P>Among patients who were on 12-month dual antiplatelet therapy without complications, an additional 24 months of dual antiplatelet therapy versus aspirin alone did not reduce the risk of the composite end point of death from cardiac causes, myocardial infarction, or stroke.</P><P><B>Clinical Trial Registration—</B></P><P>URL: http://www.clinicaltrials.gov. Unique identifier: NCT01186146.</P>
Lee Chang Moon,Lim Seung,Kim Gwang Yun,Kim Do Man,Kim Dong Woon,Lee Hyun Chul,Lee Ki Young The Korean Society for Biotechnology and Bioengine 2004 Biotechnology and Bioprocess Engineering Vol.9 No.6
The aim of this study was to formulate a sustained release system for indomethacin (IND) with rosin gum obtained from a pine tree. Rosin microparticles were prepared by a dispersion and dialysis method without the addition of surfactant. In order to investigate the influence of solvents on the formation of colloidal microparitcles, various solvents like ethanol, DMF, DMAc, and acetone were used. The rosin microparticles containing IND were characterized by Xray differactometry (XRD) and differential scanning calorimetry (DSC). The morphologies of rosin microparticles observed by scanning electron microscopy (SEM) were spherical. The solvents used to dissolve rosin significantly affected the drug content and drug release rate of IND. The release behaviors of IND from the rosin microparticles were dependent on the drug content and size of the particles. Rosin micorparticles with a higher drug content and of a larger particle size had a slower drug release rate. Also, the IND release rate from the rosin microparticles could be regulated by the rosin content in the microparticles. From these results, rosin microparticles have the potential of being used as a sustained release system of IND.