• 한국전통조경학회지
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• 제29권4호
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• pp.98-110
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• 2011

서촌은 서울 도심에 위치하며 인왕산을 배경으로 자연경관이 수려하고 역사와 문화적 자원이 풍부한 한국의 대표적인 역사문화경관 지역이다. 하지만 시대의 변천과 함께 변화를 거듭해온 현재 서촌의 모습은 서촌이 지녔던 자연경관의 아름다움과 서촌만이 간직한 장소성이 경제적 논리에 밀려 그 가치를 인정받지 못하고 있다. 서촌 경관에 녹아있는 역사 문화의 잠재적 가치를 인식하고 경관의 보존과 보호를 위하여 경관 변화의 기준이 될 수 있는 경관은 무엇이며, 어떤 변천과정을 거쳐 경관이 변화되어 왔으며, 복원 시 기준이 되는 경관은 무엇인지에 관하여 논의하고자 한다. 본 연구는 경관 텍스트로 시, 유산기를 비롯한 문학작품, 회화, 경물의 명칭을 설정하여 고문헌과 현대문헌, 근 현대 지도, 회화작품 등을 현황과 비교 분석하였다. 특히 서촌의 경관은 자연경관의 원형이 잘 보전되어 있으며, 인문 사회적 장소성을 지닌 조선 후기 경관을 원형경관으로 규정하였으며, 이를 기준으로 경관변천의 원인이 되는 사회 문화적 특성을 연구하였다. 연구 결과, 서촌은 서울을 대표할 수 있는 역사와 문화적 특성을 지닌 곳으로 서촌만이 가진 정체성을 지닌 보존이 요구된다. 특히 산맥과 물길 명소별 보존을 위한 특징은 다음과 같다. 백사 이항복과 권율 장군의 집터였던 필운대는 조망권 확보 및 주변 암반 보호를 위한 문화재 복원을, 안평대군의 비해당이 있었던 수성동은 현재 복원 중인 공원화 사업을 중심으로 복원지역의 확대를, 안동 김씨의 세거지이면서 위항문학의 산실이었던 청휘각과 송석원과 선원 김상용의 별서지였던 청풍계 지역은 인물과 연계된 물길의 복원이 요구되며, 조망경관이 우수하고 현재 녹지의 보전이 비교적 양호한 세심대와 백운동 계곡은 보전을 위한 보호구역 설정이 요구된다.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2001년도 The 6th International Symposium of East Asian Resources Recycling Technology
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• pp.91-96
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• 2001

Restoration of contaminated soils to an environmentally acceptable condition is important. One of the newer techniques in soil remediation is a method based on electrokinetic phenomena in soils. The technology uses electricity to affect chemical concentrations and water flow through the pores of soils. An important advantage of electrokinetic soil remediation over other in-situ processes such as soil flushing is the capability of control over the movement of the contaminants. Because the migration of the contaminants is confined by the electric field, there is little dispersion outside the treatment zone. Furthermore, the process is effective for soils with low and variable permeability. In the present study, the distributions of cadmium in the electrokinetic processing of kaolinite under the condition of constant applied voltage are investigated. Cadmium accumulates near the cathode without reducing the diffusion of hydroxide ion into the soil. In keeping the catholyte pH at neutrality, cadmium migrates toward the cathode without any accumulation of cadmium near the cathode and is successfully removed at the cathode reservoir. It was also found that the progress of electrokinetic processing of cadmium could be gasped to a certain extent by monitoring the local voltage and the current density.

• 한국관개배수논문집
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• 제17권2호
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• pp.71-81
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• 2010

Stream Pilot Project, which began in May 2003 and finished in December 2003, was selected to develop effective methods applicable to nature-like streams. Stream restoration projects aim to maintain or increase ecosystem goods and services while protecting downstream and coastal ecosystems. Fields environmental monitoring such as flow discharge and precipitation were conducted along the Idong stream for amount of channel zone change in 2007. This study selected three monitoring positions to measure the water level and discharge of flowing water. A stage-discharge relation is obtained from direct discharge measurements for three stations by fitting an empirical relationship to the data set. Since discharge measures are made only for low flow conditions, a curve of discharge against stage can then be built by fitting these data with a power curve. And this study used data obtained from floodmark checkup as well as HEC-RAS model to analyze the hydrodynamic characteristics of monitoring sites. Reach-averaged hydraulic parameters for the supply reach were calculated from the small area's HEC-RAS model for Idong stream, and a HEC-RAS model used to analyze hydraulics for a period in 2007, after the stream was considered bank stabilization.

• 구강회복응용과학지
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• 제25권1호
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• pp.23-29
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• 2009

1933년 Dewey와 Zugsmith가 처음 ovate pontic을 소개한 이후 1990년대 말부터 임상적으로 널리 사용되고 있다. Ovate pontic은 심미적이고 위생적인 자연치의 emergence profile을 더 정교하게 재현할 수 있는 방법으로 알려져 있다. 특히, 상악 전치부가 상실된 경우 발치 시기부터 ovate pontic의 형태를 가진 레진 임시수복물을 제작해 줌으로서 치간유두를 보존시켜 치간공극의 발생을 최소화하여 심미적이고 발음의 이상이 없는 최종보철물을 제작할 수 있다. 본 증례에서는 치아상실부위에서 치간유두의 상실을 최소화하고 자연치와 유사한 emergence profile을 지닌 보철물을 제작하기위해 ovate pontic을 이용하여 처치한 치험예를 문헌고찰과 함께 보고하고자 한다.

• 대한소아치과학회지
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• 제23권4호
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• pp.840-858
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• 1996

The main purpose of this study was to evaluate the anticariogenic effect of argon laser. Histological observations on lesion initiation and progression were performed under the polarized microscope. The results from the present study can be summarized as follows; 1. The specimens of laser cured group were shown to have more irregular and discontinuous lesion body in general than visible light cured group with rather continuous positive birefringence. 2. With lesion initiation and progression, almost all the specimens showed deeper body of lesion with shallower intact surface zone in the visible light cured group than the laser cured group(p<0.05). When the comparision was made between the two argon laser cured groups, the single-cure group showed deeper lesion body and the shallower surface layer than double-cure group. 3. Based upon the above mentioned results of this study, it can be assumed that the use of argon laser in the procedure of resin polymerization may provide the child and adolescent patient population with anticariogenic effect as well as efficient polymerization. Further studies using various materials and experimental conditions are being encouraged.

• 대한기계학회논문집A
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• 제33권7호
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• pp.681-686
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• 2009

Direct laser metal forming technology was applied to restore the damaged mold surface. In order to estimate melting characteristics of the $20{\mu}m$ Fe-Cr-Ni powder, single layer experiments were performed at various levels of heat input. The process window of the $20{\mu}m$ Fe-Cr-Ni powder provided feasible process parameters for the smooth regular surface. The cross hatching scanning strategy on the multiple layer experiment was performed to reduce the thickness non-uniformity of edge portions compared with the one direction scanning. To estimate the coherence between the melted powder and the basematal, the tendency of hardness distribution has been observed. The hardness of the melted and the remelted zone was distributed from 400HV to 600HV. It is over 2 times compared of the hardness of the basemetal. Experimental results show that the mold restoring process using direct laser metal forming can be successfully applied in the mold repair industry.

• 한국환경교육학회지:환경교육
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• 제8권1호
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• pp.151-165
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• 1995

1. This paper suggests one educational model of National Parks. The model includes main themes such as (1) concepts, (2) waste types, and (3) conservation policies of National Parks for the application at the school environmental education classes. 2. The study describes the origin of the national park system and concepts or policies for the conservation of the parks with cases of Japan, Taiwan, Canada, Australia, Swiss, Russia, and International Union for the Conservation of Nature and Natural Resources(IUCN). The main focuses of their concepts or policies are on the (1) public land, (2) conserved, (3) legally protected land, and (4) land for the education of the loving their country. 3. This research classifies wastes of parks as point, linear, areal, and cubic types, and explains wasting actions on each types, focused mainly on the mountainous national parks. 4. The suggested policies for the conserving national parks, in this paper, are (1) core-zoning policy, and (2) management policy within the core zone. 5. Some principles are suggested for the more effective realization of the policies: (1) enforcement, (2) abandonment,(3) restoration, (4) enlargement, (5) limitation, (6) incorporation, (7) monitoring, and (8) education. 6. Finally, the educational values of this model may be derived from concepts of (1) loving national land, (2) conservation of nature, (3) public responsibility for protection, and (4) education materials. Those concepts form the foundation of models for (1) civic education, (2) education of country, and (3) inquiry training.

• 한국항만경제학회지
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• 제18권2호
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• pp.109-133
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• 2002

The China entered World Trade Oganization(WTO) last year, thus opening its border to more - and freer - trade. With its foreign trade rapidly expanding and with economic growth continuing at a substantial -rate, China will be the largest container traffic generating country in the world. In the light of this potential trade bonanza, regional ports in North-East Asia strive to gain a competitive-edge. The Port of Busan, the world's third largest container port, wants to capture a significant share of the china's container cargoes. In this circumstance, development strategies of the Port of Busan are suggested as follows. First, to cope with increasing volumes, the New Busan Port on Gaduk island should be constructed without failure. Second, it is necessary to add modernized high-performance gantry cranes and to train crane operators' skill. Third, it needs to apply Dwell Time- Sliding Scale System for transshipment cargoes. Fourth, it needs to develop the EDI network in terminal areas or adjacent hub ports to exchange trustworthy and satisfactory informations Fifth, port authority -needs to enlarge designated Free Trade Zone to facilitate the free flow of cargoes. Sixth, the restoration of rail links between North and South Korea is abundantly clear. Thus it needs to enlarge railroad facilities in advance. Seventh, it needs to establish the Port Authority of Busan immediately. Finally, it needs to strengthen port sales and to open events like 'Marine Week 2001' regularly to attract potential canters or big shippers.

• 대한건축학회논문집:계획계
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• 제34권4호
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• pp.133-140
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• 2018

This study is change of the street space of the port city of Yokohama and the transformation process of the canal. modern port city Yokohama is a region that was responsible for the development of East-West maritime transport routes in Japan in the 17th century and the inland transportation through fishing villages and ports. it has also grown rapidly as a regional port and new port. In particular, through the revitalization of trade between foreign settlements and Japanese residents in the port area, the existing fishing area became a modern port city space. Yokohama went through the following process and grew into a modern port city. The construction of the port harbor and the maintenance of existing logistics functions, the formation of the central horizontal axis through maintenance of the fishing village, the construction of the logistics movement route to the inland area through the construction of the canal, the expansion of the horizon for fire prevention and fire restoration, The formation of a new settlement space according to the movement, the transformation of the existing religious axis by the combination of the elaboration and the introduction of modern transportation, and the spatial connection between the inland cities.

• 대한건축학회논문집:계획계
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• 제35권8호
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• pp.111-122
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• 2019

The purpose of this study was to understand the timing of Gentrification by the study through the analysis of licensing data for food service businesses under the correlation with regional policies and systems. In addition, by analyzing the change in location patterns of the food service business in the district unit plan zones, the cause, development patterns and regional differences were identified. Starting with the Seoul hanok declaration in 2008, the approval of the food service business began to increase, and the floating population increased with the restoration of the Suseong Valley in 2012, and the concentration of food service business increased significantly on the waterway (Jahamun-ro 7-gil). Since the designation of Ikseon-dong as an urban environment readjustment zone in 2004, the approval of new food service business has been very low until around 2014, when the cooperative establishment committee is dissolved, and as the district unit plan for the preservation of hanok and regional management is being established, the number of new permits has exploded to date and restaurants in hanok conservation zones has been active.