Classification of plant orostachys used chloroplast genome through Real-Time PCR

An Joon,Jang Cheol Seong 한국작물학회 2017 한국작물학회 학술발표대회 논문집 Vol.2017 No.-

SMS를 이용한 경안천 하류구간의 하천흐름 분석

홍성민,정인균,이준우,김성준 한국지리정보학회 2004 한국지리정보학회지 Vol.7 No.1

본 연구는 경안천 하류구간(13.8㎞)을 대상으로 SMS의 RMA2 모형과 SES2D 모형을 이용하여 2002년 경안관측소의 최대홍수위를 기록한 8월 7일의 수리분석을 실시하였다. RMA2 모형을 적용하기 위하여 RIMGIS 데이터의 하천측량자료를 이용하여 입력자료로 활용하였으며, 생성돈 지형자료를 2차원 유한요소망으로 변환하여 모형을 수행하였다. 본 연구에서는 부정류 상태의 모의를 적용하였으며, 모형에 민감하게 반응하는 인자에 대해서는 선행 연구에서 실시한 민감도 분석결과를 고려하였고, 기타 입력인자는 통계연보 및 하천정비계획서를 참고하였다. 또한 대상하천에 SED2D 모형을 적용하여 홍수사상에 대한 하천의 하상 변동에 대한 모의를 실시하였으며, 대상 하천의 홍수시 유속은 0.05~3.85㎧의 분포로 상류와 하류의 큰 차이를 보였고, 하상변화는 0.0003~0.0135m가 발생하였다. The purpose of this study is to analyze various hydraulic characteristics using SMS(Surface Water Modeling System) RMA2 model. It is based on 2-D finite element method, River reaches (13.8㎞) from Gyeongan gauge station to the inlet of Paldang lake was selected. Finite element was made by RINGIS Data, and the analysis of river-changes was operated by unsteady flow. The sediment concentration and bed change was simulated using SED2D model. This River's velocity was distributed that 0.05~3.85㎧ and bed change was changed about 0.0003~0.0135m.

성남지역의 안악골 골절에 관한 임상적 연구

김일규,손성준,오성섭 大韓顎顔面成形再建外科學會 1995 Maxillofacial Plastic Reconstructive Surgery Vol.17 No.4

This is a clinical and retrospective study who sustained a total of 306 maxillofacial bone fracture and who were treated in our department between 1990-1994. This results were obtained as follows : 1. The ratio of men to women was 3.2 : 1. 2. The age frequency was the highest in the third decade(35%). That of man was the highest in the third decade but that of women in the fourth decade. 3. In respect of incidence, the number of patients has not been increased year after year. There were the highest frequency in September and the lowest frequency in January. 4. The most frequent cause of facial bone fracture was fall down(40.2%), traffic accident(28.1%), fist blow(20.9%), industrial accident(6.2%) and others in order. 5. The most common location of facial bone fracture was mandible(69%), maxillar with zygoma and zygoma in order of frequency. 6. The age frequency of mandible was the third decade(36.5%), the fourth decade(23.2%) and the fourth decade(22.2%) and the fifth decade(15.6%) in order. 7. In respect of incidence of associated injuries, the ratio of absence to presence was 0.7 : 1. 8. In 306 patients of facial bone fracture, the frequency of associated injuries was laceration, extrimities, chest in order.

운동신경원성 질환을 동반한 전측두엽 치매 1례

최성혜,나덕렬,김병준,이정일,서연림,김상은 대한신경과학회 1998 대한신경과학회지 Vol.16 No.4

자율 이동 로봇의 장애물 회피 기술 동향

이 재 성,유 준 혁 대구대학교 정보통신연구소 2014 情報通信硏究 Vol.10 No.1

본 논문은 자율 이동 로봇의 장애물 회피와 관련된 기술동향을 분석하였다. 산업현장, 공공 및 개인 서비스 분야에서 다양하게 사용 중인 이동 로봇에서 안전과 가장 밀접된 장애물 충돌 회피를 위해 사용하는 다양한 기법들을 소개하고, 특히 인공전위계 알고리즘(Artificial Potential Field), 가상역장(Virtual Force Field) 알고리즘, 탄성력(Elastic Force) 알고리즘 등을 분석하고 각각의 장·단점을 도출하였다. This paper presents, the trend of technology regarding obstacle avoidance for autonomous mobile robots. The mobile robots are widely used in various fields such as industry and public personal service area. This paper introduces several techniques of the collision avoidance sith obstacles, which is closely related to the safety, especially three algorithms of artificial potential filed, virtual force field and elastic force are analyzed by figuring out pros and cons of each one.

중남미의 사회주의에 관한 연구

高性俊 건국대학교 1988 論文集 Vol.26 No.1

This paper briefly surveys the background and development of socialism in Latin America, and argues the future of socialism in Latin America. Eyen though most countries in Latin America were liberated from Spanish and Portuguese colonial government in the 1820's, the absolute culture and socio-economic institution of their colonial systems have been preserved. The characteristics of the socio-economic structure of Latin America formed liked this are hacienda, mono-culture economy, imbalance in income distribution, Catholic culture and bipolar social class, and all of them become the background of socialist movement which have been developed since the mid 19th century, with the problem of inequality doe to the processes of industrialization being posed. Socialist political movements emerged in Latin America in the mid-nineteenth century, primarily in southern South America where European immigration was high. These groups usually were composed of middle class intellectuals, had little success in winning the broad working class support and were divided into Marxist, anarchist, syndicalist and democratic approaches to socialism. In the 20th century, socialist parties were firmly established in some countries like Argentina and Chile, but in many instances they were firmly established in some countries like Argentina and Chile, but in many instances they were supressed by dictatorial governments. Democratic socialist parties lost support to other leftist reform that adopted in part the socialist program, including land reform, nationalization of foreign-owned enterprise and social welfarism. The establishments of Communist parties after World War I and radical "popular socialist" after World War II divided the socialist movement. A few communist parties of Latin America predated the Bolshevik Revolution of 1917 in Russia, but most of them were created in the 1920's. Orthodox Latin communist parties joined the Communist International and were much Influenced by the doctrines and policies laid down by the Soviet Union, but communists tried to command power within the system by anticommunist policies of powerful rightist military influence and U.S. A. It was in 1959 when socialist revolution was succeeded by Fidel Castro in Cuba. Cuban revolution became the model of communist revolution in this area and encouraged communist movements. But it also brought about the division of communist movement by adding Cuban-type to the orthodox communist movement. In the 1970's, a wave of neomilitarism in Latin America drove most of communist parties Into the underground and they had little popular support in other nations. Only the Sandinista Revolution succeeded through guerrilla war in Nicaragua in 1979. Will the socialist revolution like those of Cuba and Nicaragua spread in Latin America ? It is doubtful that such revolution will happen in other nations because of the military influence and U.S. A. The march of democratization in Latin America will dissolve political, economic and social causes to promote communist penetration too. But when democratization may not progress successfully, radical socialist movement will raise its head strongly again.

고정식 교정환자에서 치주건강 유지에 대한 전동치솔의 효과

박성준,황현식,이기헌,경승현 전남대학교 치의학연구소 2003 구강과학 Vol.15 No.2

Patients with fixed orthodontic appliances frequently show ineffective plaque control caused by these orthodontic appliances. Although many methods may be helpful in reducing dental plaque formation, optimal mechanical plaque removal and oral hygiene instruction are the most important factors during orthodontic treatment. The purpose of this study was to evaluate the efficacy of an electric toothbrush, with a specially designed orthodontic brush head, compared to a manual toothbrush on periodontal health in patients with fixed orthodontic appliances. Forty patients were randomly divided into two groups, the electric and the manual toothbrush groups, 1 month after attachment of fixed orthodontic appliances. Periodontal status was measured using a plaque index, a gingival index, a bleeding index, a pocket depth and a relative attachment loss, at baseline and after 3 months, 6 months, 9 months, and 12 months. Oral hygiene instruction was given according to the type of toothbrush used. The Braun Oral-B Plak Control with Ortho OD 15-1 brush was used as the electric toothbrush while the Butler G. U. M 124 was given as the manual toothbrush. By comparing between the electric and the manual toothbrush groups, the following results were obtained: 1. In the manual toothbrush group, the gingival and bleeding indices showed no statistically significant differences. but the plaque index was significantly decreased (p<0.001) and pocket depth as well as relative attachment loss were significantly increased (p<0.01). 2. In the electric toothbrush group, the bleeding index, pocket depth and relative attachment loss showed no statistically significant differences, but the plaque and gingival indices were significantly decreased (p<0.001). 3. In the case of the plaque, gingival and bleeding indices, there were no statistically significant differences between the electric and the manual toothbrush groups. On the contrary, in the case of pocket depth and relative attachment loss, there were statistically significant differences between the electric and the manual toothbrush groups: an increase in the manual toothbrush groups unlike the electric toothbrush groups keeping the same state (p<0.05). These findings suggest that an electric toothbrush is useful to orthodontic patients with fixed appliances.

ATIS 최적 프로브차량대수 모형개발

박성식,고승영,서준석 명지대학교 산업기술연구소 2001 産業技術硏究所論文集 Vol.20 No.-

To collect real-time link traffic information(Link Travel Time) for based on beacon and GPS technologies prove cars always have to be operate on the entire network. In this study, in case of taxi probe cars based with Beacon and GPS, method on determining required number of probe cars is studied to get traffic information of reality. Using taxis for probe cars, the the factors that influence the number of probe cars are operation time and distribution of prove cars over the network, operate distance and travel speed, the portion of revenue operation distance of taxis. The result of this study was ; As the collecting period for one traffic information prove cars travel more link, thus the number of prove cars decreases. The number of prove cars decreases when the allowable numer of links that no link travel times are collected increases.

作形에 따른 土壤 微小節肢動物의 分布에 關한 硏究

崔星植,郭晙洙 圓光大學校 1984 論文集 Vol.18 No.2

土壤中에는 여러 가지 動物群이 棲息하고 있으며 특히 土壤 微小節肢動物은 그 數나 種이 매우 多樣하고 腐植을 포함한 有機物을 分解하여 土壤의 理化學的 性質을 變化시키므로 種生과 動物相에 影響을 미쳐 土壤生態界의 均衡을 維持하는데 중요한 役割을 하고 있다. 이들은 自然的, 人爲的 諸要因에 의해서 영향을 받으며 특히 腐植을 포함한 土壤表層의 狀態와 가장 關係가 큰 것으로 알려져 있다. 따라서 耕作形態와 植生을 달리하는 地域에서 土壤에 棲息하는 微小節肢動物의 分布狀態를 調査하기 위하여 森林 및 竹林 等의 非耕作地와 果樹園, 桑田 및 牧草地, 人蔘圃 및 園藝團地 等의 非永年作物 栽培地를 대상으로 本 硏究를 實施하여 다음과 같은 結果를 얻었다. 1. 調査期間中 採集된 土壤動物은 總 8, 083個體로서 Acarina가 57.2%, Collembola가 29.3%였다. 2. Acarina의 群集造成은 Cryptostigmatark 74.4%로 가장 많고, Mesostigmata, Prostigmata의 順이었다. 3. Cryptostigmata의 分布를 보면 森林에서 45種(827個體), 竹林42(637), 果樹園34(606), 牧草地 20)(516), 田作地 27(395), 人蔘圃 13(225), 園藝團地 18(148), 桑田 11(88) 等으로 個體數/種數 比率의 非耕作地에 비해 耕作地에서 높은 것으로 나타났다. 4. Cryptostigmata 중 Epilohmannia pallida pacifica A., Tectocepheus velatus M., Scheloribates laevigatus K., S. latipes K., Protoribates lophotricus B., Protoribates monodactylus H. 等의 6種은 全 調査區에서 採集되어 廣範圍한 分布를 보였다. 5. 垂直的分布는 63.8%가 地表下 0-5cm 層에 分布되어 있었으며 5~10cm 層에 26.7%, 10~15cm層에는 9.5%이었다. 6. 土壤 微小節肢動物의 個體數는 有機物과의 사이에서만 垂直的 季節的 分布에 있어서 5% 內에서의 有意性이 認定되었다. This study was carried out to investigate how cultivation affects both the variety of species and the density of soil micro-arthropods. To fulfil this purpose, smples were taken from uncultivated areas such as a forest and a bamboo forest as well as diversely cultivated areas such as a orchard, a pasture, a cultivated upland, a giseng field, a horticultural field, and a mulberry field in Jeonbug Province, South Korea from May, 1981 to February, 1982. The outcome of the study was as follows : 1. Among 8,083 individual number of microarthropods collected, 57.2% were Acarina and 29.3% were Collembola. 2. Acarina consisted of Cryptostigmata (74.4%), Mesostigmata, and Prostigmata. 3. The distribution of cryptostigmata was as follows : Forest-45 species/827 individuals ; Bamboo forest-42sp. /637 indv.; Orchard-34 sp./ 606 indv. ; Pasture-20 sp./516 indv.; Cultivated upland-27 sp./395 indv.; Ginseng field-18sp./148indv.; Mulberry field-11 sp./88indv. The individual numbers/species numbers ratio of Cryptostigmata was higher in cultivated lands. There was more species variety with a small number of individuals in uncultivated lands, but less species variety with a larger number of individuals in cultivated lands. 4. 6-species of Cryptostigmata were found in all study area : Epilohmannia pallida pacifica A., Tectocepheus velatus M., Scheloribates laevigatus K., S. latipes K., Protoribates lophotricus B., Protoribates monodactylus H. 5. The vertical distribution of soil micro-arthropods was as follows : 0-5cm subsoil-approximately 63.8%, 5-10cm subsoil-approximately 26.7%, 10-15cm subsoil-approximately 9.5%. 6. Seasonal density fluctuation of soil micro-arthropods was low in spring, highest in fall, and decrease to winter. 7. In both seasonal density fluctuation and vertical distribution, a positive correlation and difference were observed between organic materials and total individual numbers of micro-arthropods. This was also true in the case of Cryptostigmata.

Analyses of Stress Intensity Factor Using Fuzzy Knowledge Processing and Computational Geometries

이준성 경기대학교연구교류처 1997 論文集 Vol.40 No.2