• Title/Summary/Keyword: Kwon Seop

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The Discovery of woodcut 『ChiJongBang』 and its significance (버클리대 아사미문고본 치종방(治腫方)에 대하여)

  • Park, Sang Young;Lee, Jung Hwa;Kwon, Oh min;Ahn, Sang Young;Han, Chang Hyun;Ahn, Sang Woo
    • The Journal of Korean Medical History
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    • v.23 no.2
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    • pp.37-41
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    • 2010
  • There are two transcriptions of "ChiJongBang" in Korea at the moment. The first is the Jangseo-gak ibrary transcription(K3-380). The title is "ChiJongBang(治腫方)" and it starts with the contents of "ChiJongBang(治腫方)", followed by "HoeChunYoGyeol(回春要訣)", "NoInSeopYangBang(老人攝養方)", "SoABang(小兒方)". "ChiJongBang(治腫方)" does not even take up a large portion of the book. The other transcription is "ChiJongBang(治腫方)" in Geojil's "Uihui(宜彙)", which was presented into the worldin 1871(the 8th year of King Go-jong)by GeumRiSanIn(錦里山人). The contents of the two transcriptions are the same, and both are left by ImEonGuk. The latter part is identical to the contents of "ChimGuGyeongHeomBang". It was common fora medical book to have additional useful information attatched in the end, so it was thought that somebody added a part of "ChimGuGyeongHeomBang" at the end of "ChiJongBiBang". But the discovery of a woodcut "ChiJongBang" in Korean annotation confirmed that the making of this book was led by the government, and the fact that abscess was a big part of healthcare around the ImJinWaeRan(Japanese Invasion of Korea in 1592) period.

Structural Optimization for LMTT-Mover Using Sequential Kriging Approximation Model (순차적 크리깅 근사모델을 이용한 LMTT 이동체의 구조최적설계)

  • Lee Kwon-Hee;Park Hyung-Wook;Han Dong-Seop;Han Geun-Jo
    • Journal of Navigation and Port Research
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    • v.30 no.1 s.107
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    • pp.105-111
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    • 2006
  • A LMTT (Linear Motor-based Transfer Technology) is a horizontal transfer system for the yard automation This system is based on PMLSM (Permanent Magnetic Linear Synchronous Motor) that consists of stator modules on the rail and shuttle car. In this research, the kriging interpolation method using sequential sampling is utilized to find the optimum design of a mover in LMTT. The design variables are considered as the transverse, longitudinal and wheel beam's thicknesses. The objective function is set up as weight, while the constant functions are set up as the stresses generated by four loading conditions. The optimum results obtained by the suggested method are compared with those determined by the GENESIS.

Implementation and performance evaluation of SS No.7 in B-ISDN networks (B-ISDN 망에서 공통선 신호 기능의 구현 및 성능 평가)

  • Rhee, Woo-Seop;Kim, Hwa-Suk;An, Yoon-Young;Kwon, Yool
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.23 no.5
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    • pp.1397-1408
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    • 1998
  • Service networks for the future communication networks will be combined by the B-ISDN networks. These service networks also will use SS No.7 as the signaling transport network for the control of user requriement service. Therefore, ITU-T recommended B-ISDN signaling layers for SS No.7 as a substitute for N-ISDN MTP signaling layer. In this paper, we propose the implementation structure and describe the characteristics and functions of each signaling layer of SS No.7, which are adapted to ATM switching system, and evaluate a performance. The structure of SSCOP transmission buffer using a linked list and an unit frame length is proposed for SAAL layer and the implementation structure and internal routing method according to the ATM switching system are also proposed for MTP-3b layer. Additionally, we propose the ISUP/B-ISUP level interworking structure using only associated mode, which are presented in the first stage of B-ISDN as the effective internatworking structure of SS No.7 for the circuit related signaling network between the existing N-ISDN networks and B-ISDN networks.

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Development on Education Course for Entrepreneurship;in University and Graduate School(Case of Babson College) (대학의 창업교육 교과과정 개발에 관한 연구;Babson College 사례)

  • Cho, Kwon-Rae;Hong, Hyo-Seog;Yoon, Byung-Seop
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.1 no.2
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    • pp.67-100
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    • 2006
  • The entrepreneurship education for promoting the entrepreneurship is(has been) rapidly proceeded in recent year. In spite of increasing importance of entrepreneurs for successful new venture creation, structured educational programs for entrepreneur development are very limited in Korea. This paper is to develop the new entrepreneurship education in universities and graduate schools. For this entrepreneurship education program development, the survey is designed to Babson College which is voted "The Entrepreneurship Education's Best College" by US News & World report thirteen years in a row. Program development model of entrepreneurship education indicates an entrepreneurship education model, a subject model and a curriculum model through the analysis of a syllabus, the interviews with students, a fieldwork. Based on these literature review was organized research papers, documentary records, small and medium business administration research data. And program designing and implementing stage was composed of analyzing each subject of plan and education training, interviewing with Babson College's students. And observing the field. In addition, the tool of analyzing was collected a course in entrepreneurship education, related matters, a learned society, a research institute at Babson College and some books on pedagogics.

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Investigation of the Occurrence of Industrial Accidents and Accidental Deaths by Chemical Leakage and Skin Contact (화학물질의 누출과 피부접촉에 의한 재해자 및 사고사망자 발생현황 조사)

  • Lee, Kwon Seob;Choi, Hyun Sung;Lee, Ha Young;Shin, Kyung Min;Choi, Heung Koo;Lee, In Seop
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.30 no.1
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    • pp.39-49
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    • 2020
  • Objectives: We investigated the status of accidents and deaths caused by chemical leakage and skin contact in Korea. The purpose of this study was to produce and provide technical reference data for the efficient management of accidents and the rational management of accidental chemicals. Methods: Accidents and deaths caused by chemical leakage and skin contact in industry were investigated. Based on 68 accident reports related to chemical leakage and skin contact, the causes of accidental deaths were analyzed. In addition, we investigated the chemical substances and articles that caused these accidents and deaths. Based on the results of the investigation, the causes of accidents caused by chemical leakage and skin contact were identified and practical management measures for the chemicals were suggested. Results and Conclusions: In 2018, 372 people suffered from chemical leaks and skin contact, up by 123 (about 49.4%) from the previous year. The number of accident deaths was 14, an increase of five (about 55.6%) from the previous year. In the last three years (2016-2018), 91 chemical substances and article groups were involved in accidents caused by chemical leakage and skin contact. There were 16 chemical substance and article groups involved in accidental deaths. There were ten cases of accidents involving two or more casualties due to chemical leakage and skin contact, and 23 deaths occurred. Most of these accidental deaths were caused by subcontractor workers outsourcing risks. Therefore, there is an apparent need to strengthen the responsibility for safety and health among subcontractors.

Antimicrobial Effects of Ethanol Extracts from Korean and Indonesian Plants (국내 및 인도네시아산 식물의 에탄올 추출물의 항균효과)

  • Kim, Moo-Sung;Lee, Dong-Cheol;Hong, Jong-Eun;Chang, Ih-Seop;Cho, Hong-Yon;Kwon, Yong-Kwan;Kim, Hee-Yun
    • Korean Journal of Food Science and Technology
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    • v.32 no.4
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    • pp.949-958
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    • 2000
  • Antimicrobial effects of 150 kinds of Korean and 82 kinds of Indonesian plants were investigated to develope natural food preservatives. Extracts of the plants with 70% ethanol were tested their antimicrobial effects against several food spoilage microorganisms, Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Candida albicans and Aspergillus niger. Seventeen kinds of Korean and eighteen kinds of Indonesian plants were found relatively effective, of which Myristica fragrans and Melaleuca leucadendra were the most effective, respectively. The major fractions of the two plant extracts showing antimicrobial activity were further purified by solvent fractionation, silicagel column chromatography and preparative HPLC. The purified substances were identified as limonene and caprylic acid in M. fragrans, and ${\alpha}-terpineol$ in M. leucadendra, respectively.

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Inter-Process Testing of Parallel Programs based on Message Sequence Charts Specifications (MSC 명세에 기반한 병렬 프로그램의 프로세스 간 테스팅)

  • Bae, Hyun-Seop;Chung, In-Sang;Kim, Hyeon-Soo;Kwon, Yong-Rae;Chung, Young-Sik;Lee, Byung-Sun
    • Journal of KIISE:Software and Applications
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    • v.27 no.2
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    • pp.108-119
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    • 2000
  • Most of prior works on testing parallel programs have concentrated on how to guarantee the reproducibility by employing event traces exercised during executions of a program. Consequently, little work has been done to generate meaningful event sequences, especially, from specifications. This paper describes techniques for deriving event sequences from Message Sequence Charts(MSCs) which are widely used in telecommunication areas for its simplicity in specifying the behaviors of a program. For deriving event sequences from MSCs, we have to uncover the causality relations among events embedded implicitly in MSCs. In order to attain this goal, we adapt vector time stamping which has been previously used to determine the ordering of events taken place during an execution of interacting processes. Then, valid event sequences, satisfying the causality relations, are generated according to the interleaving rules suggested in this paper. The feasibility of our testing technique was investigated using the phone conversation example. In addition, we discussed on the experimental results gained from the example and how to combine various test criteria into our testing environment.

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A Novel Synthetic Compound, YH-1118, Inhibited LPS-Induced Inflammatory Response by Suppressing IκB Kinase/NF-κB Pathway in Raw 264.7 Cells

  • Yun, Chang Hyun;Jang, Eun Jung;Kwon, Soon Cheon;Lee, Mee-Young;Lee, Sangku;Oh, Sei-Ryang;Lee, Hyeong-Kyu;Ahn, Kyung-Seop;Lee, Ho-Jae
    • Journal of Microbiology and Biotechnology
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    • v.25 no.7
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    • pp.1047-1055
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    • 2015
  • For the search of a potent first-in-class compound to inactivate macrophages responsible for inflammatory responses, in the present study, we investigated the anti-nflammatory effects of YH-1118, a novel synthetic compound, in a lipopolysaccharide (LPS)-stimulated mouse macrophage cell line, Raw 264.7. YH-1118 inhibited LPS-induced nitric oxide (NO) production and inducible NO synthase (iNOS) expression at both the protein and mRNA levels. The suppression of LPS-induced iNOS expression by YH-1118 was mediated via nuclear factor kappa B (NF-κB), but not activator protein-1 (AP-1) transcription factor. This was supported by the finding that YH-1118 attenuated the phosphorylation of inhibitor of κBα (IκBα) and nuclear translocation and DNA binding activity of NF-κB. Through the mechanisms that YH-1118 inhibited the activation of IκB kinases (IKKs), upstream activators of NF-κB, or p38 MAPK, YH-1118 significantly suppressed LPS-induced production of pro-inflammatory cytokines, tumor necrosis factor-α, interleukin-1β (IL-1β), and IL-6 (p < 0.05). In conclusion, our results suggest that YH-1118 inhibits LPS-induced inflammatory responses by blocking IKK and NF-κB activation in macrophages, and may be a therapeutic candidate for the treatment of various inflammatory diseases.

Relations between Airway Narrowing and Prevertebral Soft Tissue Swelling after Anterior Cervical Spine Surgery : The Value of Lateral Neck Radiographs

  • Kim, Hee-Seop;Youm, Jin-Young;Kwon, Hyon-Jo;Choi, Seung-Won;Kim, Seon-Hwan;Koh, Hyeon-Song
    • Journal of Korean Neurosurgical Society
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    • v.42 no.2
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    • pp.97-102
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    • 2007
  • Objective : The authors attempted to evaluate the pattern of the airway narrowing due to prevertebral soft tissue swelling after surgery of the anterior cervical spine and their clinical significances using plain cervical X-ray images. Methods : Twenty-four patients undergoing anterior cervical spine surgery were reviewed from January 2004 to December 2005. Postoperatively, in daily basis, lateral radiograph of the neck was obtained in neutral position. We measured the upper airway diameter above and below the epiglottis level and prevertebral soft tissue diameter every day for a week and finally 2 weeks after surgery using their simple lateral cervical X-ray films. Results : Both airway narrowing and prevertebral soft tissue swelling were maximum in postoperative 2 days, and decreased rapidly in postoperative 7 days. Airway narrowing was aggravated postoperatively but slowly decreased as prevertebral soft tissue swelling diminished. But, the severity of airway narrowing showed no clinical correlations with clinical symptom and radiologic severity. Conclusion : Not all patients who show severe airway narrowing and prevertebral soft tissue swelling on their plain cervical X-ray film complain respiratory insufficiency. But, the patients with undergoing anterior cervical spine surgery should be monitored carefully for respiratory insufficiency, especially during several days following operation because both airway narrowing and prevertebral soft tissue swelling become peak at postoperative 2-3 days.

A Study on the Hazard Analyses of Construction for Base Station of Mobile Communication (이동통신 기지국 공사의 위험요인 분석에 관한 연구)

  • Lee, Sang-wook;Kwon, Soon-joon;Yi, Young-seop
    • Journal of the Korean Society of Safety
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    • v.30 no.5
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    • pp.44-51
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    • 2015
  • As the domestic communication industry has been made rapid progresses, the construction of base stations are also expanded yearly from more than 86,000 ones in the year 2005 to over 300,000 ones in 2013. While the new construction and rebuilt works have been rapidly increased, there has been not tried about the analysis as well as the control of hazards for the construction works. This study is conducted to do not only the focus interview for 27 expert groups who are engaged in the construction works and safety, but also the questionnaires for AHP analysis which is suggested by the Korea Occupational Safety and Health Agency for 92 persons who are engaged in the construction works in order to analyze the hazards of construction works for base stations. The high ranked risk works which are acquired from the two methods are fall under installation of antennae, struck by the hand tools and construction materials under installation of antennae, fall during going up and down the steel tower and telegraph poles and the fall by electric shock during the underground cable works. The control for the above hazards are the installation of fall protection equipments, the installation of safety nets for falling objects and the installation of protection equipment of electric shock.