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      • KCI등재

        대구시 아파트단지의 주차수요에 관한 연구

        박찬돈,하재명,Park Chan-Don,Ha Jae-Myung 한국주거학회 2004 한국주거학회 논문집 Vol.15 No.5

        After 1980's, the ratio of car possessions has been increased rapidly. Nowaday, most large cities have suffered a lot of problems about traffic and car parking. Specially in apartment complexes, they have parking problem which is caused by the parking demand. The ratio of parking demand at multi-family housing sites has been increased significantly, therefore several parking problems have occurred. The goal of this study is to investigate the parking demand per housing unit size of apartment complex in Daegu city. The results of this study is as follows. (1) The parking demand of 60 $m^2$ below sized housing unit is 1.09 car per the unit. (2) The parking demand of 60 $m^2$ over 85 $m^2$ below sized housing unit is 1.31 car per the unit. (3) The parking demand of 85 $m^2$ over 135 $m^2$ below sized housing unit is 1.74 car per the unit. (4) The parking demand of 135 $m^2$ over sized housing unit is 2.10 car per the unit.

      • 퍼지 제어기를 이용한 차량의 자율주차 시뮬레이션

        박재현,김승철,한창훈,박종오,임영도 東亞大學校 附設 情報通信硏究所 1998 情報通信硏究所論文誌 Vol.6 No.1

        In a case of driving beginnners, it is very difficult to park a car perfectly because driver's knowledge makes more errors than intelligent mechanism when they are performed repeatedly. However skilled drivers be of experienced knowledge are able to park a car quickly. In this paper, we analyzed driving patterns of skilled drivers, designed the fuzzy controller to park based on it, and perform auto-parking simulation of a car using that controller.

      • KCI등재

        Elevational Distribution of Breeding Bird Communities in Seoraksan National Park, Korea

        Hwang, Hyun-Su,Lee, Jae-Kang,Eom, Tae-Kyung,Bae, Ho-Kyoung,Lee, Dong-Ho,Lim, Jong-Hwan,Jung, Sung-Cheol,Park, Chan-Ryul,Rhim, Shin-Jae Korean Society of Forest Science 2020 한국산림과학회지 Vol.109 No.1

        In this study, the elevational distribution of breeding birds in Seoraksan National Park, Korea was investigated. Forty-six species of birds were documented from line transect surveys taken from Seorakdong at 230 m above sea level (a.s.l.) to the Daechungbong summit at 1708 m asl. Birdspecies richness and diversity were highest in Seorakdong and lowest at the Daechungbong summit. As elevation increased, bird species richness and diversity decreased, with a humped-shape trend being observed between 700 m and 1200 m a.s.l. Stepwise analyses revealed that breeding bird species diversity indices were significantly negatively correlated with elevation (r<sup>2</sup> = 0.327, P < 0.001) and positively correlated with vegetational coverage (r<sup>2</sup> = 0.324, P = 0.046). Higher elevations supported fewer birds than low and intermediate elevations. Projections at the local scale, including data on behavior and habitat use by birds, will be necessary for optimal conservation and management of the bird communities in Seoraksan National Park.

      • KCI등재

        Elevational Distribution of Breeding Bird Communities in Seoraksan National Park, Korea

        ( Hyun-su Hwang ),( Jae-kang Lee ),( Tae-kyung Eom ),( Ho-kyoung Bae ),( Dong-ho Lee ),( Jong-hwan Lim ),( Sung-cheol Jung ),( Chan-ryul Park ),( Shin-jae Rhim ) 한국산림과학회(구 한국임학회) 2020 한국산림과학회지 Vol.109 No.1

        In this study, the elevational distribution of breeding birds in Seoraksan National Park, Korea was investigated. Forty-six species of birds were documented from line transect surveys taken from Seorakdong at 230 m above sea level (a.s.l.) to the Daechungbong summit at 1708 m asl. Birdspecies richness and diversity were highest in Seorakdong and lowest at the Daechungbong summit. As elevation increased, bird species richness and diversity decreased, with a humped-shape trend being observed between 700 m and 1200 m a.s.l. Stepwise analyses revealed that breeding bird species diversity indices were significantly negatively correlated with elevation (r<sup>2</sup> = 0.327, P < 0.001) and positively correlated with vegetational coverage (r<sup>2</sup> = 0.324, P = 0.046). Higher elevations supported fewer birds than low and intermediate elevations. Projections at the local scale, including data on behavior and habitat use by birds, will be necessary for optimal conservation and management of the bird communities in Seoraksan National Park.

      • 오리 嗅粘膜의 組織學的 및 組織化學的 硏究

        朴在贊,金武剛,金弘善,申台均 충남대학교 의과대학 지역사회의학연구소 1988 충남의대잡지 Vol.15 No.1

        This paper dealt with the histological feature of the Pekin duck olfactory mucosa and the specificity of the types of mucopolysaccharides present in the secretory cells of the duck olfactory mucosa. The nasal parts of ducks (1-week-old and 10-week-old) were fixed with 10% neutral formalin, decalcified, embedded in paraffin. Serial sections were cut 5 um thick and stained with alcian blue(pH 2.5) to demonstrate acidic mucopolysaccharides and the periodic acid-Schiff reaction to identify neutral mucopolysaccharides. The results were summarized as follows. 1. The duck olfactory mucosa consisted of the olfactory epithelia which compose of the receptor neurons, supporting cells, basal cells and goblet cells, and the lamina propria which contained Bowman's glands, olfactory nerve bunbles and connective tissue cells. 2. The thickness of the olfactory mucosa was 121.5±25.67um in the 1-week-old ducks, and 202±45.82km in the 10-week-old ducks. Increased thickness of olfactory mucosa was due to the increased thickness of lamina propria. 3. Histochemical techniques of the olfactory mucosa in 10-week-old ducks demonstrated that Goblet cells, sppporting cells and Bowman's gland contained both neutral and acidic mucopolysacc harides, the neutral mucopolysaccharides staining became enhanced first in the Goblet cells and Bowman's gland, and then in supporting cells. In 1-week-old ducks, both acidic and neutral mucopolysaccharides of Goblet cells reacted strongly, but those of supporting cells and Bowman's gland reacted presumably.

      • 초등학교 제7차 체육과 교육과정의 목표 및 내용분석

        박찬홍,심재성 公州大學校 藝體能硏究院 스포츠 科學硏究所 2004 스포츠科學硏究所論文集 Vol.16 No.-

        The purpose of this study were to analyze the objectives and contents of the seventh curriculum of physical education in the elementary school to help understand the curriculum, to present the course of elementary school physical education to the elementary school teachers, and to detect problems to be a help to the next curricular revision. After analysis on this research, I got the conclusions as follows ; First, the subject objectives were analyzed on the basis of the standard of objective classification by Bloom, Bucher, Barrow, Nash. Stoodley, Brownell & Hagman, Hetherington, Irwin, and Willgoose. Second, the unit objectives were analyzed on the basis of the standard of objective classification by Bloom, Bucher, Barrow, and purpose process curriculum framework. Third, the sixth and seventh curriculums were compared and analyzed. Fourth, the contents of the seventh curriculum of physical education were analyzed. The conclusions about analysis of the objectives and contents of the seventh curriculum of physical education in the elementary school are as follows ; First, by the standard of objective classification of nine scholars as Bloom, Bucher, Barrow and so on, we can understand same distribution of term statement about psychomotor, cognitive and affective domain, this shows a unity of objectives of physical education in the seventh curriculum of physical education. The standard of objective classification as Nash, Stoodley, Brownell & Hagman, Hetherington, Irwin, Willgoose, etc. shows same term distribution, and this reflects the character of synthetic subject which shares functional, scholastic, prescriptive character of the seventh curriculum of physical education. Second, in the analytical conclusion by the standard of classification of Bloom, the terms stated best are basic exercise of psychomotor domain, exercise method of cognitive domain and exercise function of psychomotor domain. Many term distributions in the 'basic exercise' of psychomotor domain are because of the seventh curriculum of physical education in the elementary school setting the basic in the moving education simulation, and emphasize a method and function of exercise to take shape various moving desire of students. In the analytical conclusion by the standard of classification of Bucher, the terms stated best are a motor function of developmental domain of exercise, a basic exercise of developmental domain of exercise, a method of exercise of cognitive domain. The seventh curriculum of physical education in the elementary school is based on moving education simulation, and show up many term distributions about 'motor function' and 'basic exercise' of developmental domain of exercise. The method of exercise is emphasized to take shape various physical activity and moving desire. In the analytical conclusion by the standard of classification of Barrow, the terms stated best are a understanding about the health of cognitive developmental domain and principal of good physical motion exercise, sports' function of developmental domain of psychological exercise and attitude of social developmental domain. The subordinate objectives of the seventh curriculum of physical education in the elementary school emphasize a motor function that participate actively to various exercise, and improve sports function with a background about understanding of principal of health and good physical moving exercise to improve physical strength and psychological health, and emphasize desirable motor attitudes. In the analytical conclusion by the standard of classification and purpose process curriculum framework(PPCF), the terms stated best are conquest of environment, social interaction and individual developmental domain, and each conceptional element has same distribution so as character prescribed in the seventh curriculum of physical education, don't emphasize only one domain, cognition or affective domain but pursuit external value, that is, realization of moving and healthy preservation and improvement, affective refinement, social cultivation through physical education in the elementary school to contribute to improve quality for life of the human. Third, the conclusions of comparison and analysis about the sixth curriculum and the seventh curriculum of physical education are nearly same, but the seventh curriculum is presented to nation common basic of physical education curriculum bounding elementary, secondary school. And the 'method' section is divided a teaching & learning method and a standard of textbook's development and discussion, and the standard of textbook's development and discussion that undertakes a important responsibility to practice of curriculum was presented newly. The contents are organized by objective and affective domain.

      • KCI등재후보

        졸-겔법으로 합성된 폴리이미드/실리카 복합체의 환경적 물성에 관한 연구

        박성수,홍성수,이성환,김성완,박재현,김지경,박희찬 한국환경과학회 2003 한국환경과학회지 Vol.12 No.4

        Two types of polyimide/silica composite films were prepared using sol-gel method through hydrolysis and polycondensation of tetraethoxsilane(TEOS) with the polyamic acid(PAA) and end-capped PAA solution. Sample were characterized by the means of differential thermogravimetry, X-ray diffractometry, scanning electron microscopy, universal test, impedance analyzer, chemical resistance test, etc. All of the PAA/silanol solutions heat-treated at 300℃ for 6h were transformed to polyimide/silica composites. It has been demonstrated that the properties of polyimide/silica composites were affected by the amount of silica addition and the bond type existed between polyimide and silica.

      • KCI등재후보

        만성 위염전 2 례

        박찬규,이동욱,남성진,김추성,조성래,구본천,박영재,허규찬 啓明大學校 醫科大學 1997 계명의대학술지 Vol.16 No.3

        위염전은 위의 비정상적인 회전으로 생기는데 급성증에서는 진단이 늦어질 경우 치명적일 수도 있으나, 만성증의 경우는 비특이적 위장관 중상을 나타내며, 치료되지 않을 경우 수년 동안 증상이 지속될 수도 있다. 최근 저자들은 소화불량, 식후 상복부 동통을 주소로 내원한 환자에서 만성위염전 2 례를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Gastric volvulus is an abnormal rotation of the stomach. Gastric volvulus may present as an emergency or as a chronic condition. Acute volvulus si potentially lethal if unrecognized, while a chronic volvulus may cause symptoms for years if not treated. Gastric volvulus may be more common than previously estimated. Approximately 700 cases have thus far been documented. In patients with vague upper abdominal pain, bloating, vomiting, early satiety and weight loss, chronic gastric volvulus are reported and the related literature reviewed. The clinical presentation, diagnosis, and treatment are treatment are discussed. Features of acute and chronic volvulus are compared.

      • Titanium isopropoxide의 가수분해에 의한 TiO₂ Power 합성

        박찬웅,명중재,김호건 漢陽大學校 基礎科學硏究所 1995 基礎科學論文集 Vol.14 No.-

        Isopropanol 내에서 titanium isopropoxide의 가수분해반응속도를 자외선분광법에 의하여 측정하였다. H₂O 농도 및 온도의 변화에 따른 반응속도상수를 Guggenheim method로 계산하였다. 이 실험 결과 titanium isopropoxide의 가수분해반응은 이분자 반응이 ?? mechanism 으로 관여하는 것으로 추정되었다. 또한 titanium isopropoxide의 가수분해에 의한 TiO₂ 분말합성에 있어서 pH 및 온도영향을 연구하였다. 합성된 분말과 소결체에 대하여 SEM, XRD, IR 및 입도분석을 통하여 characterization 하였다. TiO₂분말 합성결과 pH가 높을수록, 또한 반응온도가 높을수록 반응시간이 짧아졌으나, 낮은 온도에서 반응시킬 경우에 입자의 agglomeration이 적어짐을 알았다. 생성된 입자는 비정질의 gel 상태였으며, 소결시킨 후는 rutile, 또는 rutile과 anatase의 혼합물인 titanium dioxide인 것으로 나타났다. 소결하기 전의 TiO₂ 분말의 IR분석에서는 -OH, -CH₃ 등 유기물 그룹의 흡수 피크가 나타났으나 소결한 후의 시료에서는 그러한 피크가 나타나지 않았다. Rates of hydrolysis of titanium isopropoxide in isopropanol were investigated by UV spectroscopy. The change of reaction rate according to temperature and concentration of H₂O was calculated by Guggenheim method. From these results, it could be estimated that the hydrolysis of titanium isopropoxide was ?? mechanism involving both of titanium isopropoxide and H₂O. pH and temperature dependence of TiO₂ powder preparation were also investigated. Particle sizes and size distributions of dried powders were determined using size distribution analysis and SEM(scaning electron microscope), and the crystal phases in dried powder and in sintered powder were analyzed using powder XRD method. The reaction rate of TiO₂ powder preparation was faster at higher temperature and higher pH, however more agglomeration of particles occured at high temperature. The phase of dried powders was noncrystalline gel state but the sintering of the powder at 800℃ changed its phase to crystalline rutile or anatase. Absorption peaks of organic group such as -OH, -CH₃ in IR spectra of dried powder disappeared after sintering.

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