Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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v.26
no.4
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pp.323-331
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2008
Digital close-range photogrammetric technique can measure and describe 3D geometric form from 2D image. This technique is a growing applicability in the field of sciences. Nevertheless, civil and mechanical field, which need measurements as precise as possible, use expensive measuring instruments in general. In addition there are occasions for analysis by means of visual method, since appropriate measuring instruments have been not yet available. This study therefore developed digital close-range photogrammetric technique with a movable orientation board to quickly measure deformation before and after destruction from simulated ground model of reinforced-soil wall. Then the results are compared with the measurements obtained using digital theodolite.
Media consumers in the context of the Internet and digital media are using the same content to a variety of platforms. As such, the content of various genres is converted to the form of a new content through the process of fusion, combination, transformation, differentiation, reproduction, etc on the basis of digital media. That is referred to as trans-media. In order to create the successful content in trans-media era, it requires the work of Edi-curation. Edi-curation work is the act of editing and adding meaning to the curation work of curators. In that sense, this paper analyzed the definition and meaning for Edi-curation of publishing and comic(webtoon) content in trans-media era. Edi-curation process induces the changing role of consumers and producers of content in the digital media experience. In process of Edi-curation, consumers(producers) will soon lead to a media producer(consumer), namely proconsumer / produser. Diversification of digital platforms and devices, digital 1 person (or SNS) appeared in the media, etc. are also required to Edi-curation of content and comic(webtoon) published in a variety of ways. Depending on the intention of media producers (or consumers), content through the process of replication, montage, disassembly, dismantling, hypertext, compression, and reconstruction births to new content. The work of Edi-curation has the significance that it affects the way the media producers work in creative process, as well as the reading content of the media consumers. In the publishing content, Edi-curation work is the logicality destruction of a chapter or a paragraph, a sentence of colloquialisms, card news, the deformation of the utilization of video and media content. Meanwhile in the comic(webtoon) content, we mention the destruction of cut(frame), the various modifications of speech bubbles, onomatopoeia, and mimetic word.
Cheomseongdae, Korea's so-called "star-gazing tower" located in the former Silla Dynasty capital of Gyeongju, is generally believed to have maintained its original shape since its construction in 647. The stone structure was closely examined and measured by Gyeongju National Museum in 1962 and reexamined by Korean National Research Institute of Cultural Heritage in 2009. This research noted the following structural anomalies of Cheomseongdae. A corner of the top rectangle layer was broken diagonally in a form that can never be attributed to a natural cause. The four metal clamps under the top rectangle layer had been missing. Four grooves, with unknown usage, exist on the sides of the long rectangular stones projected out of the circular body at the second and third circular layers from the top. On the second circular layer from the top, there are three flat stones, less than a half as tall as their surrounding stones. The average height of the third circular layer from the top is only 23.5 cm, while the overall average of the entire 27 circular layers is 29.9cm. This research postulates that all these anomalies are due to prior destructions and improper restorations of the structure. The first destruction and restoration of Cheomsengdae was likely to have occurred before the mid 15th century. The damages might include a pavilion on the top of the structure and a stone with the name of the structure carved in. The Mongolian invasion in the 13th century was a most likely cause. After the restoration, the structure suffered at least another attack. The damages on the top layer and the missing iron clamps were due to the later attack. The grooves and flat stones were to house holding device that affixed certain objects to the outer surface of the circular body. The metal or stone objects might have faced upward at the four corners of Chemseongdae, bridging the gaps between the rectangle layers and circular layers. The current Chemseongdae lost at least the four affixed objects, four holding devices, and one flat stone.
Journal of the Korean association of regional geographers
/
v.4
no.1
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pp.135-155
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1998
The purpose of this study is to evaluate the environmental sustainability of new town development in metropolitan area, Korea and derive some policy implications for sustainable urban development. The case study area selected for empirical research is Jisan Bummul new town in Taegu. In the part of theoretical review, it is considered that the urban form suitable to sustainable development of a metropolis is the type of decentralized concentration. For the decentralized concentration form, we suggest developing suburban centers with self-sufficiency within a metropolis. This strategy is to develop a few suburban centers on the outskirts of a metropolis to decentralize urban activities of the central city, and to conserve the remaining. The empirical study evaluating the environmental sustainability of new town development shows that Jisan Bummul new town generally have low environmental sustain ability, because of the policy of mass housing provisions without consideration on overall natural conditions and environmental capacity of the area. To develop a new town. we must first select the locational site with minimum possibility of the destruction of natural environment, and then it is necessary to develop new towns into compact form to minimize the destruction of the natural environment. Second, a new town should be developed into a large scale to obtain urban self-sufficiency. Third plans must be established for decentralising both industrial and residential functions of a metropolis simultaneously. As more detailed policy implications, it is suggested that the policies are needed to improve the quality of educational conditions and enhance the level of services of public transport facilities. It is also necessary to establish the comprehensive development plan that takes the adjacent developmental area into consideration, and to prepare various action plans to bring up the facilities of self-sufficiency. In the selection of the location of a new town, the adaptability of public transportation planning must be emphasized. But, to take a program for short-term mass housing provisions must be restricted.
This study is intended to examine the existing condition of records and archives management and seek its improvement and progress on a concrete model of Daejon Diocese as a kind of case study, because it is necessary to recognize the importance of records and archives management and to develop the records and archives management system. Daejon Diocese which has the catholic jurisdiction covering the areas of Daejon city and Chung Cheong Nam - Do province, celebrated the 40th anniversary of the diocese in 1998. At that, time, the authority of Daejon Diocese claimed to establish its church history institution and to plan the publication of "40 years history of Daejon Diocese". However, its publication could not be achieved until now for several reasons. Since my search for the cause of this situation, I immediately recognized that the lack of materials might be a common condition in almost all of the associations, especially with respect to management, preservation and access of the records and archives. The records in the archival repository of Daejon Diocese have been considerably lost because of the past intemperate destruction and these records have just piled for long time without any reasonable disposal programme. Therefore, in these poor conditions, it is inevitable to delay the publication of "40 years history of Daejon Diocese." This thesis deals with the archival arrangement and the ways of improvement by means of studying the records and archives management, as the essential issues. The archival arrangement based on the principle of provenance, the date of creation, and form division. The methods of improvement include the preservation environment, the scope of archives, archival staff, disposal and so on. Records have the legal and social value after being produced and they can remain as historical and cultural inheritances under the excellent condition of management and preservation. However, in examining the case of the management and preservation of records and archives in Daejon Diocese, I understand that it will need considerable time, man power, and financial cost in order to maintain the desirable level of records and archives management system Therefore, it is a important step for Catholic Daejon to recognize the necessity of the change over records and archives management.
Kim, Jong-Min;Choi, Hyung-Jun;Lee, Jae-Ho;Choi, Byung-Jae
Journal of the korean academy of Pediatric Dentistry
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v.24
no.4
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pp.781-787
/
1997
In spite of the improvements of the techniques in the field of preventive dentistry, many children still present with extensive destruction of primary anterior teeth. Not only the practioner must consider the pulp state of the primary incisor, but also restore the form, function and esthetics of the tooth. Restorative treatment of primary incisor tooth requires durability, retention and esthetics. Stainless steel crowns used in restoring primary anterior teeth is retentive and durable in comparison with the composite resin, celluloid crown. But they are not esthetic. To enhance the esthetics of the anterior stainless steel crown without reducing its superior retention, an open-face stainless steel crown has been suggested. Several authors have suggested cutting away the labial portion of the stainless steel crown and placing the composite resin in that area. By following this technique, the practioner can prepare a retentive, durable, and esthetic restoration for primary teeth which have suffered from extensive loss of teeth structure. In addition, the single missing primary anterior teeth can be successfully restored by soldering the stainless steel crown together. Open-face stainless steel crown is indicated in the areas of large interproximal lesions involving incisal edge, crown fracture with pulp exposure and congenital malformation of the teeth. By this technique, the practioner can restore primary anterior teeth successfully regardless of the amount of remaining tooth structure, bruxism habit and presence of attrition. In this case, rampant caries with extensive loss of tooth structure and single missing of primary anterior tooth hart been successfully treated with open-face stainless steel crown.
Journal of the Korean Society of Environmental Restoration Technology
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v.11
no.6
/
pp.38-48
/
2008
This study was conducted to evaluate the vegetation structure of community by the phytosociology method, floristic composition table on coast of South Korea. Form 2007 June until November, $2m{\times}2m$ quadrat was established in native Glehnia littoralis in order to record a dominants and coverage, and it drew the profile. It was found out that the mean temperature in the distributed areas for Glehnia littoralis population was $11^{\circ}C$ or more. The flora of the studied area in Glehnia lottoralis community of coastal dune was listed as 100 species. Glehnia lottoralis community of appearance species of Yeonggwanggun Duwori was many most by 44 species. Carex pumila, Carex Kobomugi, Imperata cylindrica var. koenigii, Ischaemum anthephehoroides and Vitex rotundifolia range all over the studied areas. And the vegetation of Glehnia littoralis community was classified into Vitex rotundifolia subcommunity, Ischaemun anthephephoroides subcommunity and Imperata cylindrica var. koenigii subcommunity. Native Glehnia littoralis was classified into preserve area, natural selection area and artificial destruction area. It must preserve native Glehnia littoralis of Goseong, Yeongdeok, Haenam it was ecological important area.
Seyyedhabashy, Mir mohammadreza;Tafreshi, Mohammad Amirhamzeh;bidabadi, Babak Shirani;Shafiei, Sepideh;Nasiri, Ali
Nuclear Engineering and Technology
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v.52
no.4
/
pp.827-834
/
2020
Damage of tungsten due to helium ions of a PF device was studied. The tungsten was analyzed by SEM and AFM after irradiation. SEM revealed fine bubbles of helium atoms with diameters of a few nanometers, which join and form larger bubbles and blisters on the surface of tungsten. This observation confirmed the results of molecular dynamics simulation. SEM analysis after etching of the irradiated surface indicated cavities with depth range of 35-85 nm. The average fluence of helium ion of the PF device was calculated about 5.2 × 1015 cm-2 per shot, using Lee code. Energy spectrum of helium ions was estimated using a Thomson parabola spectrometer as a function of dN/dE ∝ E-2.8 in the energy range of 10-200 keV. The characteristics of helium ion beam was imported to SRIM code. SRIM revealed that the maximum DPA and maximum helium concentration occur in the depth range of 20-50 nm. SRIM also showed that at depth of 30 nm, all of the tungsten atoms are displaced after 20 shots, while at depth of higher than 85 nm the destruction is insignificant. There is a close match between SRIM results and the measured depths of cavities in SEM images of tungsten after etching.
Proceedings of the Korean Society of Agricultural Engineers Conference
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1999.10c
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pp.169-174
/
1999
The reclamation area of Saemangeum (Kunsan) located between 126$^{\circ}$10' -126$^{\circ}$50'E and and 35$^{\circ}$35'N -36$^{\circ}$05'N at the western coast of Korea. The construction of the 33km sea dike is building in the Saemangeum area. When the construction of the sea dike in the coastal region takes plase, there exists a certain amount of soil which is diffused by the tidal current. Behavior of the soil diffusion usually depends on its intrinsic characteristics, bathymetry, construction method and used mchinery. The amount of soil at the construction acts as a pollutant which is the cause of changing the marine environment. When the soil material is diffused , it may form a layer which obstructs the light passing into the sea and causes the extinction or alteration of the living beings on the sea bottom. The settlement of soil material could change the sea bottom deposit. The purpose of MITIGATION is to harmonize the development and the conservation of environment, to restrict environmental destruction and to reproduce the enviroment damaged by the construction in the coastal region. The purpose of this study is to find the method by which we minimize the anti-function of development in the coastal region. Tide and tidal current are calculated using a two-dimensional numerical model before the construction of sea dike in Saemangeum Bay. The numerical results are compared well with field observations. On the basis of these results, we caculated the tide and tidal current after the construction of the sea dike in order to investigate the change of the tide and tidal current after the construction of the sea dike. Moreover, we calculated the tide and tidal current after the construction of submerged breakwater in order to preserve the enviornmental condition of creature habitat . We compared the tide and tidal current before and after the construction of submerbed breakwater, to investigate the possbility of MITIGATION in the fisheries.
Background : Death by cancer, malignant tumor, is on the increase around the world. In South Korea, cancer is the number one cause of death, and, in South Korea, stomach cancer is the most common form of cancer. This may be due to genetic and enviornmental factors. Because stomach cancer is so prevalent here, this study was undertaken. Objectives: This study was conducted to investigate the anti-cancer effects of Duchesnea indica(Andr.) Focke. in human stomach cancer cells(KATOIII). Materials & Methods: For human stomach cancer cells KATO III cells were obtained from Korea Cell Line Bank. The water decoction of Duchesnea indica(Andr.) Focke was added to cultures. First, morphological changes were examined under an inverted microscope. The destruction of stomach cancer cells was measured through Trypan blue exclusion testing, and suppression of viability of stomach cancer cells was measured via MTT assay. Anti-cancer mechanisms were assessed by analyzing the cell cycle. Results & Conclusions : In morphologic change, stomach cancer cells showed the withdrawn and floating appearance that is typical in cellular impairment. In each test group more stomach cancer cells were killed than in the control group to a statistically significant degree. Each test group showed more suppression of viability of stomach cancer cells than that of the control group to a statistically significant degree. Analysis of the cell cycle showed that Duchesnea indica(Andr.) Focke inhibited division of stomach cancer cells. This experiment yielded empirical evidence for Duchesnea indica(Andr.) Focke as a statistically significant anticarcinogen, specifically against stomach cancer.
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