• Journal of the Korean Institute of Landscape Architecture
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• v.37 no.5
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• pp.31-41
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• 2009

Under the Korea Building Act, anyone planning to build a building or buildings on a site over $200m^2$ must plant plants over a specific area. In large scale development this rule is adhered to well, but such is not the case in small scale development. Therefore, special attention must be given to small scale development. Thus, the purpose of this research is to analyze the current situation and practice of planting at small scale development sites in Seoul, and then suggest policies for improving them. In this study using the data covering Seongbuk-Gu and Gangnam-Gu, which was surveyed in 2002, the current situation and practice of planting at small scale development sites was analyzed. After a questionnaire survey was conducted with government officers and building owners, the same analysis was made. Then the policies for improvement were extracted. The results are as follows: 1. In superordinate planning stage, because the minimum standards are too low, those must be strengthened. Any district plan does not control planting in private building lots. This requests active application of planting in private building lots as a design control measure in district planning. 2. In the building design stage, there are no guidelines. The obligation of building set-back between adjacent buildings by the Korean Building Act produces mass shaded and inferior planting beds. The act also is blocking landscape architects' participation in small scale development. And wall installations deteriorate the streetscape and growth of plants with shading. Therefore guidelines must be made. 3. In each stage of the building permit, the permit for building completion, and maintenance the Korean Building Act is blocking landscape architects' participation in small scale development, so the planting plan is completely handled by nonprofessional persons. Therefore, the act should be amended in order to make way for landscape architects' participation in each stage of the small scale development process.

• Industry Promotion Research
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• v.5 no.4
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• pp.73-79
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• 2020

This study is based on the need to Lawively respond to changes in the population structure according to the low birth and elderly society, and to contribute to the establishment of policies on the welfare of the elderly, based on the need to review the "Elderly Welfare Law", and proposed ways to improve them by looking for problems with the Elderly Welfare Law. First, it is the enLawment of the Basic Law on The Welfare of the Elderly. As a proposal to improve the Elderly Welfare Law, it is a way to completely revamp the Elderly Welfare Law to grant a status as the basic law and the supreme law on the welfare of the elderly. Second, it is necessary to overhaul the law on elderly health and welfare measures and elderly welfare facilities. The plan is to revise the Elderly Welfare Law to clearly revise the legal charLawer of the elderly to the health and welfare measures of the elderly and the Law on elderly welfare facilities. Third, the legal system of the Elderly Welfare Law should be reorganized. The plan is to maintain the contents of the major welfare policies contained in the current "Elderly Welfare Law", but to revise it with a focus on the systemic issues mentioned above. In conclusion, the current "Elderly Welfare Law" was made in the context of the period at the time of its establishment and the basic courtesy of the elderly, and there are many points that are insufficient to cope with the low birth rate and the elderly society. Accordingly, this study proposes amendments and supplements to the Elderly Welfare Law, which can accept the request stipulated by the times due to changes in population structure.

• Korea and Global Affairs
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• v.1 no.2
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• pp.33-84
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• 2017

This study deals with President Park Chung-hee's greed for dominance and oppression during the Yushin Regime in the 1970's and consists of case studies related to anti-democracy of the National Council for Unification Subject, illegality of President's emergency rule and oppression in the process of putting down Buma Uprising. The National Council for Unification Subject was an organization for presidential selection and institutionalized by the enactment of Yushin constitution. Emergency rule was carried into effect as a means to repressing college students and forces out of office for the president's long-term seizure of power. And Buma Uprising rose against violence in resistance to the Yushin regime and president Park Chung-hee's greed for dominance and oppression. These case analyses applied the aspects of causal relationship(birth and fall of Yushin Regime), legal system(Yushin constitution and president's emergency rule) and behavior(President Park's greed for dominance and oppression) for this study. The National Council for Unification Subject institutionalized through Yushin constitution and the Yushin regime formed by emergency rule enabled President Park to cling to long-term seizure of power by means of greed for dominance and oppression. After all, his failure to keep the spirit of the time and stepping stone for democratic constitutional government triggered Buma Uprising, a kind of anti-Establishment movement, and caused the fall of the Yushin regime.

• Applied Chemistry for Engineering
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• v.5 no.5
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• pp.764-771
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• 1994

Electrochemical synthesis of conductive polypyrrole films was carried out in nucleophilic solvent containing p-toluenesulfonic acid or bezensulfonic acid as supporting electrolyte and dopant. Also characteristics of degradation and improvement of mechanical properties were studied. The conductivity, tensile strength and elongation of the films obtained in dimethyformamide/p-toluenesulfonic acid had the highest value of 10-40S/cm, $25N/mm^2$ and 10%, respectively. The optimum condition of electrochemical synthesis was $2mA/cm^2$ for constant current method and 0.9V for constant potential method containing 0.5M pyrrole and 0.5M p-TSA. The obtained films showed good stability in air and electrode characteristics of secondary battery by reversibility in doping and undoping. The degradation process was 1st order reaction at various temeprature. The activation energy and rate constant of degradation reaction were $1.01JK^{-1}mol^{-1}$ and $3.1{\times}10^{-7}min^{-1}$ respectively at $25^{\circ}C$. For the improvement of mechanical properties, composition of polypyrrole films with various host polymer were investigated and increase of tensile strength and elongation was confirmed.

• Journal of Korea Water Resources Association
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• v.45 no.10
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• pp.1035-1041
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• 2012

This paper is on the decision of design magnitude for flood control of urban basin, based on flooding characteristic values. In Korea, a design magnitude for flood control is established based on peak discharge of the outlet of basin. However, this method is inappropriate in an urban basin because sewerage only can flow out as much as it could and other discharge overflow to basin. In order to calculate a design magnitude for flood control of an urban basin, flooding characteristic values (peak discharge of pipe, average flooded depth, maximum flooded depths of an important point, flooded area, flooded volume, flooded time) were used as a tool. Using the Gwanghwamun Square as an example, a methodology was proposed that used XP-SWMM 2010 model as a platform to predict urban flood disaster. It can help other local government and residents to better understand, prepare for and manage a flood in urban environments.

• Current Research on Agriculture and Life Sciences
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• v.7
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• pp.55-66
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• 1989

The purpose of this study is to estimate the flood discharge and peak time by the SCS method and the probability method using the geomorpologic parameters obtained from the topographic maps following the law of stream classifying and, ordering by Horton and Strahler. The SCS method and the probability method are used in estimating the times to peak and the flood discharges at An-dong, Im-ha, and Sun-san basins in the Nakdong River system. The results obtained are as follows : 1. The range of the values of the area ratio, the bifurcation ratio and the length ratio agree with those of natural streams presented by Horton and Strahler. 2. Comparisons of the probability method and observed values show that small relative errors of 0-7% of flood discharge, and 0-2hr, difference in time to peak respectivly. But the SCS method shows that large relative errors of 10-40% of flood discharge, and 0-4hr, difference in time to peak. 3. When the rainfall intensity is large, the error of flood discharge estimated by using the probability method is relativly small.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.19 no.3
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• pp.180-185
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• 2018

The literature of unfair labeling and advertising(ULA) was reviewed, along with the requirement for establishing an obligation to compensate for damage(OCD) by it based on the Act on Fair Labeling and Advertising(FLAA). ULA covers cases of possible deception or misleading consumers and thereby undermining fair trade order, or making other business entities do so. FLAA regulates OCD by ULA, but the Civil Act should also be considered for its effective results since the Act regards ULA as unlawful and duty bound to make compensation for damages arising therein. In this context, the study analyzed qualitatively 17 supreme court precedents related to OCD by ULA among a total of 119 by advertising to find the characteristics of the judgemental principles. It is found that most principles came from FLAA and the Act focusing on the meaning of false or exaggerated advertising, which is one of the following five ULA types according to its standards of judgment: its requirement for fraudulent acts, the meaning of damage by it, the perspective of calculation of damages, the requirement of OCD, and the characteristics of claim for damages. A more effective policy is suggested based on FLAA and related research should be continually carried on.

• Resources Recycling
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• v.21 no.5
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• pp.31-37
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• 2012

As a recovery of elemental silicon from the sludge of Si wafer process, a process of mechanical separation-chlorine roasting-electrolysis has been suggested. The silicon sludge consisted of Si, SiC, machine oil, and metallic impurities. The oil and metal impurities was removed by mechanical separation. The Si-SiC mixture was converted to silicon chloride by chlorine roasting at $1000^{\circ}C$ for 1 hr and the silicon chloride was dissolved into an ionic liquid of $[Bmpy]Tf_2N$ as an electrolyte. Cyclic voltammetry results showed an wide voltage window of pure $[Bmpy]Tf_2N$ and a reduction peak of elemental Si from $[Bmpy]Tf_2N$ dissolved $SiCl_4$ on Au electrode, respectively. The silicon deposits could be prepared on the Au electrode by the potentiostatic electrolysis of -1.9 V vs. Pt-QRE. The elemental silicon uniformly electrodeposited was confirmed by various analytical techniques including XRD, FE-SEM with EDS, and XPS. Any impurity was not detected except trace oxygen contaminated during handling for analysis.

• Water for future
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• v.26 no.1
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• pp.115-124
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• 1993

This study is to determine the critical duration of design rainfall and to utilize it for the design of detention pond with pump station. To examine the effect of the duration and temporal distribution of the design rainfall, Huff's quartile method is used for the 9 cases of durations ranging from 20 to 240 minutes with 10 years return period, and the ILLUDAS model is used for runoff analysis. The storage ration which is the ratio of maximum storage amounts to total runoff volume, is introduced to determine the critical duration of design rainfall. The duration which maximizes the storage ratio is adopted as the critical duration. This study is applied to 18 urban drainage watersheds with pump station in Seoul, of which the range of watershed area is $0.24-12.70\textrm{km}^2.$ The result of simulation shows that the duration which maximizes storage ration is 30 and 60 minutes on the whole. It is shown also that the storage ration of 2nd- and 3rd-quartile pattern is larger than that of 1st- and 4th-quartile pattern of temporal distribution. A simplified empirical formula for Seoul area is suggested by using the regression analysis between the maximum storage ration and the peak ratio, and can be utilized for the preliminary design and planning of detention pond with pump station.

• Korean journal of communication and information
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• v.42
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• pp.140-167
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• 2008

This study analyzes the legal reasoning of Seoul Central District Court, which imposed legal liability on portals for posting defamatory user replies to news articles, written and provided by the news media, onto their 'News Windows'. Saddling portals with the burden of verifying the facts associated in news articles and imposing the legal obligation as a publisher entail a grave risk of impairment of free flow of information and freedom of expression. Of course, it would ultimately result in tightening up private censorship of information which the Constitution does not allow, and funker keep portals from posting even news articles in which expressed views and opinions are lawful. When judging whether portals should assume liability fur libelous user replies to news articles, it is necessary to distinguish the territory under the direct authority of portals from cafes and bulletin boards managed by third parties. In addition, imposing legal liability above the level of common carrier should be limited to the cases; when portals arbitrarily change the contents of news articles or when the articles portals changed contain libelous contents. Even if those conditions are met, the altered contents should obviously constitute libel. Only in the presence of proof that portals knew the illegality of news articles and did not take proper steps including deleting those replies, should portals not be considered as an accomplice. Nor should portals take responsibility for users' defamatory replies for those reasons.