• Journal of The Korean Society of Clinical Toxicology
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• v.13 no.2
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• pp.78-86
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• 2015

Purpose: The purpose of this study is to understand what kinds of chemical substances have been used annually and to investigate incidents that occurred due to chemical hazard release and to analyze statistically clinically chemical injury patients who visited one regional emergency medical center in Gumi city with documented references review. Methods: Annual chemical waste emission quantity (Kg/Year) (Cwep) was reproduced using national web site data governed by the Ministry of Environment and 5 years (from 1 .Jan. 2010 to 31. Dec. 2014) of medical records of chemical injury patients who visited our emergency department were reviewed retrospectively. By applying exclusion criteria, 446 patients of 460 patients were selected. Results: Dichloromethane, Toluene, Trichloroethylene, and Xylene were always included within Top 5 of Cweq. Six cases of chemical incidents were reported and in 3 of 6 cases involving Hydrogen fluoride were included during the study period. Male gender and twenties were the most prevalent group. Injury evoking chemicals were Hydrogen fluoride, unknown, complex chemicals (over 2 substances) in sequence. The most frequent site of wounds and injuries was the respiratory tract. Gas among status, intoxication among diagnosis, and discharge among disposition was most numerous in each group. Conclusion: There have been no uniform clinical protocols for chemical wounds and injuries due to various kinds of chemicophysical properties and ignorance of antidotes. Therefore conduct of a multicenter cohort study and experiments for ruling out chemicals according to chemicophysical priority as well as development of antidotes and clinical protocols for chemical injury patients is needed.

• Journal of the Korean Society of Marine Environment & Safety
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• v.26 no.4
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• pp.309-316
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• 2020

Waterway design should prioritize appropriate channel width to ensure preferential safe passage for the arrival and departure of vessels. To calculate the minimum channel width required for safe passage a comprehensive review of several factors is required. These factors include vessel maneuverability, determined by vessel size, type and speed; environmental factors such as wind, tide, and wave action; human factors, including personal experience and operator judgment as well as marine traffic and navigation support facilities for decision making. However, the Korean channel width design standard is based only on vessel length, and requires improvement when compared with the standards of PIANC, USA, and Japan. This study aims to estimate the appropriate channel width required for one-way traffic in a straight channel, considering various vessel and environmental factors, using Fast Time Simulation (FTS). When the wind speed is 25 knots, with a current speed of 2 knots and a normal vessel speed of 10 knots FTS shows that a 150K GT Cruise Ship requires a minimum channel width of 0.67-0.91 the vessel length (L), whereas a 120K TEU Container Ship and a 300K DWT VLCC require 0.79-1.17 and 1.02-1.59, respectively. Such results can be used to calculate the minimum channel width required for safe passage as an improved Korean design standard.

• Journal of Korean Medicine Rehabilitation
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• v.24 no.4
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• pp.41-48
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• 2014

Objectives The present study examines the domestic trend of Failed Back Surgery Syndrome (FBSS) in Korea. Methods The studies on FBSS were investigated via searching Korean web databases. As a result, 41 research papers were found and they were analyzed according to the year of publishment, the titles of journals which have the papers, the types of study, the definition of FBSS, employed treatment trials, and the instruments for assessment. Results The number of the research papers on FBSS published was increased since 2005. The studies on FBSS were mainly published in the Korean Journal of Pain. The most popular type of the studies were the case report and the most studies defined FBSS as persistent or recurring low back pain with or without sciatica after receiving spine surgeries. Various surgical and conservative treatments were employed in the studies and Visual Analogue Scale (VAS), Numeric Rating Scale (NRS), Oswestry Disability Index (ODI) were used as primary means of assessments. Conclusions Reviewing the domestic trends of studies on FBSS and examining the definition of FBSS is essential for the future studies because there is no clear criteria for making diagnosis of FBSS. Therefore, the further studies on FBSS need to be more elaborate with the definition of FBSS, and it is also necessary to apply more assessment tools for the better understanding of FBSS from various aspects. Ultimately, this review is anticipated to benefit the future in-depth study on FBSS.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• v.21 no.3
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• pp.174-181
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• 2010

Objectives: To identify the factors affecting long-term adherence to methylphenidate treatment in children with attention-deficit hyperactivity disorder (ADHD). Methods: A retrospective medical record review of 239 ADHD patients (mean age $9.3{\pm}2.6$ years, range 6.0-17.4 years) who had visited the child and adolescent psychiatry clinic at a university hospital, in Seoul, Korea from March 2005 to February 2008. Subjects were diagnosed as ADHD based on the criteria set forth in the Diagnostic and Statistical Manual of Mental Disorders 4th edition, text revision version (DSM-IV-TR) and underwent neuropsychological tests including the continuous performance test (CPT). Treatment discontinuation was defined as the last prescription date when the medication possession rate (MPR) became less than 0.80. Subjects were divided into three groups and labeled as Group I, non-adherence without pharmacotherapy, Group II, non-adherence with short-term pharmacotherapy, and Group III, adherence with long-term pharmacotherapy. Results: Ninety (37.7%) patients were grouped as non-adherent (Groups I+II) and 149 (62.3%) as adherent (Group III). The adherence group exhibited lower intelligence, higher symptom severity, and a higher number of comorbid psychiatric disorders than controls. The use of stimulants was significantly associated with long-term adherence to treatment. Additionally, the duration of interval between the date of the first visit and the date of the first prescription was positively associated with long-term adherence. Conclusion: About two-thirds of patients diagnosed as ADHD adhered to the treatment six months after the first visit. With respect to patient evaluation and the development of treatment strategies, factors affecting early drop-out and longer follow-up must be considered.

• Journal of Korea Port Economic Association
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• v.29 no.2
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• pp.1-17
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• 2013

This paper aims to review the fairness of carriers' incentive schemes at Gwangyang port in 2010 and to show the desirable incentive allocation rules using the proportional and egalitarian rules under cooperative game theory. The carriers' incentive schemes at Gwangyang port in 2010 did not meet the no-envy and the efficiency, and satisfy the symmetry axiom. According to the research findings, the equal surplus method satisfies the axioms of equity, efficiency, symmetry, and progressivity. However, the uniform losses method meets the axioms of equity, efficiency, symmetry, and regressivity. We use a single allocation criterion of the total throughput to show the regressivity and the symmetry principles into the incentive scheme instead of using multiple criteria such as total throughput, increased volume, and coastal volume. The uniform losses method based on the total throughput can distribute the incentive amount according to the intent of the incentive schemes. Hence, we need to establish a rationing system to allocate reasonably the total amount of different types of incentives, avoiding the temptation to adjust the volume shipped between the ports of carriers considering the efficiency of allocation.

• Management & Information Systems Review
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• v.35 no.3
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• pp.173-193
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• 2016

The aim of this paper is to extend the TOPSIS(Technique for Order Preference by Similarity to Ideal Solution) to the fuzzy environment for solving the disaster recovery priority decision problem in credit bureau business information system. In this paper, the rating of each information systems and the weight of each criterion are described by linguistic terms which can be expressed in trapezoidal fuzzy numbers. Then, a vertex method is proposed to calculate the distance between two trapezoidal fuzzy numbers. According to the concept of the TOPSIS, a closeness coefficient is defined to determine the ranking order of all information systems. The combination between the fuzzy set and TOPSIS brings several benefits when compared with other approaches, such that the fuzzy TOPSIS require few fuzzy judgements to parameterization, which contributes to the agility of the decision process, it does not limit the number of alternatives simultaneously evaluated, and it does not cause the ranking reversal problem when a new alternative is included in the evaluation process. This paper is demonstrated with a real case study of a credit rating agency involving 9 evaluation criteria and 9 credit bureau business information systems assessed by 6 evaluators, and provide the systematic disaster recovery framework for BCP(Business Continuity Planning) to practitioner. Finally, this paper show that the procedure of the proposed fuzzy TOPSIS method is well suited as a decision-making tool for the disaster recovery priority decision problem in credit bureau business information system.

• Journal of The Korean Association For Science Education
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• v.37 no.3
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• pp.493-505
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• 2017

The purpose of this study is to investigate the trends of character-related research in science education by analyzing science education research literatures in South Korea. To this end, literatures on character were extracted from the KCI-listed journals and theses from 1990 to December 2016, and analyzed according to the criteria such as terms relating to character, year of publication, research design and method, and research content. A total of 54 KCI-listed papers and 67 theses were extracted. As a result, 46%, 49%, and 5% of the researches include the terms like character, ethic, and moral in their titles. According to the year of publication, it was found that the number of research papers related to character increased rapidly by more than two times in 2012 as compared to the past years. According to research objects, researches about gifted students were the most common, and when considering the ratio of gifted students to general students, many studies related to character concentrated on gifted students. Starting 2009, research papers on qualitative and hybrid research design begin to advance as compared the number of papers in quantitative research design. With regards to research methods used, seven methods were classified; five of them ranged from 16% to 19% while interpretive research method was 12% and test tool validity study was the lowest at 2%. By extracting 30 representative keywords so as to analyze the contents of character-related researches, we found various implications to character in relation to nature and researches about SSI, etc. As time passed by, the contents of character-related research in science education became more diversified and the number of researches increased. New research contents appeared due to the needs of the times.

• Sleep Medicine and Psychophysiology
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• v.17 no.1
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• pp.16-20
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• 2010

Objectives: We review the sleep problems of the alcohol dependence patients. Especially we are interested in the prevalence, the severity of symptoms, anxiety, depression, and sleep quality of restless legs syndrome (RLS) in the alcohol dependence patients. Methods: We recruit 86 alcohol dependence patients who were admitted from October 6th, 2008 to October 17th, 2008. We interviewed each patient and evaluated sleep questionnaires such as the Sleep Disorder Questionnaire (SDQ), the Pittsburgh Sleep Quality Index (PSQI) and the International Restless Legs Syndrome Study Group (IRLSSG) rating scale. The presence of RLS and its severity were assessed using the IRLSSG diagnostic criteria and the IRLSSG severity scale, respectively. Depression and anxiety were evaluated by the Beck Depression Inventory (BDI) and the Beck anxiety inventory (BAI). Results: Of all 86 patients, 59 patients have insomnia, 33 patients have RLS, 30 patients have Periodic limb movement disorder (PLMD), 29 patients have nightmare. RLS patients have more high score in the BAI ($21.70{\pm}10.36$ vs $14.67{\pm}11.98$), and their sleep quality was poor in the PSQI ($11.09{\pm}4.08$ vs $7.92{\pm}3.91$) than non-RLS patients. Conclusion: This study shows that alcohol dependence patients show many sleep problems such as insomnia and RLS. So we should notice that the sleep problems of alcohol dependence patients are important in clinical approach and treatment.

• International Commerce and Information Review
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• v.19 no.2
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• pp.145-166
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• 2017

The FTA conventional tariffs shall be applied that the imported goods are subject to the conventional tariffs under any agreement, and the origin of the good is the contracting state in accordance with the criteria for determination origin under any agreement. An importer who intends to be eligible for the application of a conventional tariff shall file a request for the application of a conventional tariff with the head of the competent customs house before the relevant import declaration is accepted. The purpose of this study is to examine the legal standard and verification cases for the judgement of the tax tribunal of FTA conventional tariffs. Through this study, this paper is to provide several implications for companies seeking the benefits of FTA conventional tariffs. The Korean companies to do the following: confirm the effective requirements for direct transport of goods through non-parties under the Korea EU FTA, confirm the criterion for application of conventional tariffs such as certificate of origin and claims for ex post facto conventional tariffs under the Korea US FTA, confirm the issuer of origin declaration and the recognition of origin declaration of bill of lading under the Korea EU FTA, utilize the tax appeal system by denial of FTA conventional tariffs, and prepare the discrepancies in interpretation of legal standard under FTA and FTA Special Customs Act.

• Journal of the Korean Institute of Landscape Architecture
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• v.47 no.6
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• pp.87-102
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• 2019

Since the Child Friendly Cities Initiative(CFCI), a UNICEF-led initiative, was first introduced to Seongbuk-gu in 2013, more than half of the districts of Seoul are making efforts to achieve the accreditation of the Child Friendly City(CFC). At this point, when an initiative is transformed from a special policy of a few districts into a general policy of many local governments, we need to examine and check on how friendly urban parks are to children. This study focused on neighborhood parks that tend to be less friendly to children as compared to children's parks and looked into the current status, because neighborhood parks are also well used by users of all ages including children. The evaluation criteria was developed based on the review of domestic and international guidelines of child friendly parks and neighborhood parks. Futhermore, field studies, user questionnaire, and a participatory design workshop were introduced to analyze the status of child-friendly environment of neighborhood parks. Findings are as follows. First, vague definitions of child cause the inconsistency of child-related policies. Second, Neighborhood parks are not conceived as a public space for children. Third, the consideration of youth is relatively low. Fourth, adjacent area of a park turns out not to be child friendly as well.