• Title/Summary/Keyword: Official Method

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Improving the Accuracy of a Heliocentric Potential (HCP) Prediction Model for the Aviation Radiation Dose

  • Hwang, Junga;Yoon, Kyoung-Won;Jo, Gyeongbok;Noh, Sung-Jun
    • Journal of Astronomy and Space Sciences
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    • v.33 no.4
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    • pp.279-285
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    • 2016
  • The space radiation dose over air routes including polar routes should be carefully considered, especially when space weather shows sudden disturbances such as coronal mass ejections (CMEs), flares, and accompanying solar energetic particle events. We recently established a heliocentric potential (HCP) prediction model for real-time operation of the CARI-6 and CARI-6M programs. Specifically, the HCP value is used as a critical input value in the CARI-6/6M programs, which estimate the aviation route dose based on the effective dose rate. The CARI-6/6M approach is the most widely used technique, and the programs can be obtained from the U.S. Federal Aviation Administration (FAA). However, HCP values are given at a one month delay on the FAA official webpage, which makes it difficult to obtain real-time information on the aviation route dose. In order to overcome this critical limitation regarding the time delay for space weather customers, we developed a HCP prediction model based on sunspot number variations (Hwang et al. 2015). In this paper, we focus on improvements to our HCP prediction model and update it with neutron monitoring data. We found that the most accurate method to derive the HCP value involves (1) real-time daily sunspot assessments, (2) predictions of the daily HCP by our prediction algorithm, and (3) calculations of the resultant daily effective dose rate. Additionally, we also derived the HCP prediction algorithm in this paper by using ground neutron counts. With the compensation stemming from the use of ground neutron count data, the newly developed HCP prediction model was improved.

A Study on the Construction Process and Design Characteristics of Korean Pavilion in Paris 1900 Exposition Universelle in Korean Modern Architecture (근대 초기 파리만국박람회(1900) "한국관"의 건축과정과 초기설계안의 디자인 특성에 관한 연구)

  • Jin, Kyung-Don;Park, Mi-Na
    • Korean Institute of Interior Design Journal
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    • v.17 no.3
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    • pp.3-14
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    • 2008
  • The purpose of this study is to clarify the historical circumstances under which the Korean Pavilion was established at the 1900 Paris Exposition Universelle, and the construction process and design features of the pavilion building. At that time, even though Korea faced difficulty due to lack of experience in the world exposition and funds, Korea attempted to positively participate in the international cultural event by establishing the Korean Pavilion under an official contract with assistance of the French Government. Moreover, the Pavilion shows significant architectural features which had not been shown until then in terms of the structure and design of the pavilion building. In this connection, in this thesis, among others, the historical circumstances under which the "Korean Pavilion" was established at the 1900 Paris Exposition Universelle, and the construction process as well as the process and features of the draft design prepared at an early stage by Baron Delort de Gleon on the part of France among the above parties to the project for construction of the Korean Pavilion, which have never been addressed in the field of architecture or interior due to lack of existing data, will be clearly studied based on relevant literatures. According to analysis of the study, it reveals that the representation method for the Korean tradition of Korean Pavilion designed by Baron Delort de Gleon was based on the Chinoiserie, the style widely seen in Europe. In addition, Delort de Glean's commerce-oriented concept is integrated into the design of the Korean Pavilion as well.

A mobile P2P a farming support system implementation which uses JXTA (JXTA를 이용한 모바일 P2P 영농 지원 시스템 구현)

  • Bae, Il-Ho;Cho, Ai-Ri;Min, Hae-Ran;Lee, Gwang;Lee, Joon
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2004.05b
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    • pp.579-582
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    • 2004
  • File share system in client/server method requires server of High performance and capacity and this server is very expensive and management is complex and is been influenced much to flatform. Also, extension of correct memory or hard drive etc. causes a lot of expenses to server. While, may minimise human who happen by buying high-capacity server by dispersing file public ownership way unuse expensive server in client/serve. way who put up files in PC(client) to a sewer and manage files and make use of only client computers because public ownership of data and government official in P2P(peer to peer) environment, waste of material resources. Many people are interested to P2P by such reason, researches that use P2P to connection field to be Moba that have Gakgwangbatgo current are gone vigorously.

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Clinical Analysis of Trauma Surgery Patients in a Local Emergency Center; Does Emergency Physicians'Treatment Delay the Surgeons'Special Care like Emergency Operations for Trauma Victims? (응급수술을 시행한 응급의료센터 내원 외상 환자 분석; 응급의학과 진료는 외상환자에 대한 외과의 수술과 같은 전문적인 진료를 오히려 지연시키는가?)

  • Lee, Kyung Won
    • Journal of Trauma and Injury
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    • v.20 no.1
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    • pp.19-25
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    • 2007
  • Purpose: Trauma surgery is not an official medical specialty in the Republic of Korea (South Korea). Thus, a trauma victim transported to an emergency room (ER) is resuscitated and surveyed by an intern, a resident, or an emergency physician (EP) at first. Currently an operative management is decreasing because of multiple factors. Nevertheless, trauma surgery is the key for some patients. Does the EP's treatment in the ER delay the surgeon's emergency operation? Methods: A retrospective study was performed for trauma victims who underwent trauma surgery from March 2004 to February 2005 in a local emergency center of Daegu-city. We reviewed the medical records and analyzed the trauma victim's age, sex, cause of injury, method of transport, time from the trauma to the operation, EP's treatment, surgical department, mortality, and injury severity score (ISS). Results: Of the 223 trauma victims included in this study, males were predominant (83.4%). The mean age was 37.98 years of age. The main Causes of trauma were trauma NOS (not otherwise specified) and motor vehicle accidents (MVA). The main methods of transport was privately owned automobile. The mean time from trauma to operation was 617.46 min. The mean ISS was 7.67. Trauma surgery with the EP's treatment group included 40 trauma victims with higher ISS, and the time from trauma to operation was shorter than it was for the 183 trauma victims not in that group. Conclusion: The EP's treatment of high-ISS multiple-injury trauma victims can shorten the time from trauma to trauma surgery and will help the surgical department treatment. In the trauma care system of the Republic of Korea, and increased role should be encouraged for emergency physician.

Development of Stochastic Real-Time Forecast System by Storage Function Method (저류함수법을 이용한 추계학적 실시간 홍수예측모형 개발)

  • Bae, Deok-Hyo
    • Journal of Korea Water Resources Association
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    • v.30 no.5
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    • pp.449-457
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    • 1997
  • This study attempts to develop a stochastic-dynamic real-time flow forecasting model for an event-orient watershed storage function model (SFM), which has been used as an official flood computation model in Korea, and to evaluate its performance for real-time flow forecast. The study area is the 747.5$\textrm{km}^2$ Hwecheon basin with outlet at Gaejin and the 8 single flow events during 1983-1986 are selected for comparison and verification of model parameter and model performance. The used model parameters in this study are the same values on field work. It is shown that results from the existing model highly depend on the events, but those from the developed model are stable and well predict the flows for the selected flood events. The coefficient of model efficiency between observed and predicted flows for the events was above 0.90. It is concluded that the developed model that can consider model and observation uncertainties during a flood event is feasible and produces reliable real-time flow forecasts on the area.

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Detection of Aflatoxins in Some Korean Foodstuffs (몇가지 한국식품(韓國食品)중 Aflatoxin의 검출(檢出))

  • Kim, Yong-Hwa;Hwangbo, Jeong-Sook;Lee, Su-Rae
    • Korean Journal of Food Science and Technology
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    • v.9 no.1
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    • pp.73-80
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    • 1977
  • In order to detect the occurrence of aflatoxins in some suspecious Korean foodstuffs, 54 samples of Meju (a naturally inoculated soybean substrate for soy sauce and paste fermentation), 125 samples of Doenjang (a Korean-style fermented soybean paste), both produced at household level, and 31 samples of peanut were collected from 8 major cities of South Korea and subjected to assay by the official method of AOAC. The results were as follows: 1) Frequencies for the occurrence of aflatoxins in Meju, Doenjang and peanut were 7.4%(4/54), 8.8%(11/125) and none (0/31), respectively, in which Meju and Doenjang samples from Daegu and Busan showed the high ratio of the presence. 2) A Doenjang sample from Busan was found to contain the highest content of aflatoxins, of which $B_1,\;B_2,\;G_1\;and\;G_2$ were 66 ppb, 13 ppb, non-detectable and 5 ppb, respectively, while other samples detected were for $G_2$ only. 3) The identity of aflatoxin $B_1$ isolated from the Doenjang sample from Busan was confirmed by thin-layer chromatographic behavior, derivative formation and chicken embryo bioassay.

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A study of social welfare officials' recognition about improving 'National Basic Livelihood Security Program' (국민기초생활보장제도 개선에 대한 사회복지전담공무원의 인식 연구)

  • Jeon, Hee Jeong;Im, Ran;Park, Jung In
    • Korean Journal of Social Welfare Studies
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    • v.43 no.1
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    • pp.229-247
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    • 2012
  • This research has analyzed the options of improving 'National Basic Livelihood Security Program' and factors influencing on them, focusing on the 345 social welfare officials' recognition and assessment of the program. As a result of the analysis, some difference has been identified in the assessment of respective options in accordance with how social welfare officials recognize and assess the program and its recipients. The assessments as to the options of improving restrictions on the able-bodied poors, implementation of the individual benefit method, and so forth were shown differently according to the age; years of service; amount of work; rationality of the criteria for selecting recipients; levels of payment by the 'National Basic Livelihood Security Program'; possibility of the recipients' exit from poverty; achievements of the self-supporting program; and evaluation of the program improvement efforts of the government. Based on this result of analysis, key tasks and improvement options for the 'National Basic Livelihood Security Program' have been explored on the occasion of the 10th anniversary of the program.

Determining Personal Credit Rating through Voice Analysis: Case of P2P loan borrowers

  • Lee, Sangmin
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.15 no.10
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    • pp.3627-3641
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    • 2021
  • Fintech, which stands for financial technology, is growing fast globally since the economic crisis hit the United States in 2008. Fintech companies are striving to secure a competitive advantage over existing financial services by providing efficient financial services utilizing the latest technologies. Fintech companies can be classified into several areas according to their business solutions. Among the Fintech sector, peer-to-peer (P2P) lending companies are leading the domestic Fintech industry. P2P lending is a method of lending funds directly to individuals or businesses without an official financial institution participating as an intermediary in the transaction. The rapid growth of P2P lending companies has now reached a level that threatens secondary financial markets. However, as the growth rate increases, so does the potential risk factor. In addition to government laws to protect and regulate P2P lending, further measures to reduce the risk of P2P lending accidents have yet to keep up with the pace of market growth. Since most P2P lenders do not implement their own credit rating system, they rely on personal credit scores provided by credit rating agencies such as the NICE credit information service in Korea. However, it is hard for P2P lending companies to figure out the intentional loan default of the borrower since most borrowers' credit scores are not excellent. This study analyzed the voices of telephone conversation between the loan consultant and the borrower in order to verify if it is applicable to determine the personal credit score. Experimental results show that the change in pitch frequency and change in voice pitch frequency can be reliably identified, and this difference can be used to predict the loan defaults or use it to determine the underlying default risk. It has also been shown that parameters extracted from sample voice data can be used as a determinant for classifying the level of personal credit ratings.

The individual-organizational suitability and individual-job suitability of front-line public officials Effect on Job Enthusiasm: Mediating Effect of Self-Efficacy (일선 공무원의 개인-조직적합성과 개인-직무적합성이 직무열의에 미치는 영향: 자기효능감의 매개효과)

  • Roh, Si Bum;Kim, Jong Rae
    • Journal of Digital Convergence
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    • v.19 no.12
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    • pp.79-89
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    • 2021
  • The purpose of this study is to examine the effects of organizational/job suitability and self-efficacy on the job enthusiasm of public officials to enhance the government's organizational performance and goal achievement, and to examine what mediating effects of self-efficacy have. As the subject and method of the study, a survey was conducted with 248 civil servants from three cities (P, U, Y) in Gyeonggi-do, and structural equation analysis was used for the collected surveys. As a result of the study, organizational suitability of public officials had a positive effect on job enthusiasm, and self-efficacy was found to have a partial mediating effect on organizational suitability and job enthusiasm. In the case of job suitability, job enthusiasm was not significant, and self-efficacy had a fully mediated effect. Based on the results of this study, administrative and policy implications for enhancing the enthusiasm for the job of front-line civil servants of administrative organizations were presented.

Analysis of Medical Disputes in Korean Medicine : With a focusing on Korean medicine treatments in Korean Acupuncture & Moxibustion Medicine Society official documents

  • Lim, Susie;Lee, Jaesung;Lee, Eunyong;Lee, Cham Kyul
    • The Journal of Korean Medicine
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    • v.39 no.4
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    • pp.114-120
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    • 2018
  • Background: This paper was to investigate Korean medical disputes through the cases of asking Korean Acupuncture and Moxibustion Medicine Society(KAMMS) for medical consultation Methods: In this study, it was investigated 66 medical disputes requested to KAMMS for medical consultation from April, 2013 to December, 2017. The cases of disputes were classified according to the year, month, sex, age, area, original disease, treatment method and type of occurrence. Results : There were 66 cases from April, 2013 to December, 2017 that able to investigate. There were no annual increases and decreases or monthly trends in medical disputes. In characteristics of patients, female (53.03%) were more likely than male, and the age distribution was in in 50s (24.24%). It occurred in area, followed by Gyeongsang (33.33%), Gyeonggi-Incheon (30.30%), and Seoul (13.64%). The majority of original disease was musculoskeletal disease (81.82%), and treatment methods that have been assumed to cause medical disputes were 38 cases (57.58%) of acupuncture, followed by 12 cases (18.18%) of combined treatment. Analysis of occurred disease showed that 23 cases (34.85%) of musculoskeletal diseases were the most common, followed by 17 cases (25.76%) of infection. When original disease was musculoskeletal disease, the greatest type of occurrence was musculoskeletal disease (30.30%), but there was no statistical significance. Musculoskeletal disease was common after acupuncture (28.80%), and infection was common after combined treatment (12.10%). It was statistically significant. Although no statistically significant, pharmacopuncture tended to cause the immune response, while moxibustion tended to cause burns.