• Title/Summary/Keyword: Korea History

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Improving the Precision for the T-history Method for Latent Heat Measurements of Low Melting Temperature PCMs (T-history법에 의한 저온 PCM 잠열측정의 정밀도 향상)

  • Lee Yoonsuk;Peck Jong Hyeon;Kang Chaedong;Hong Hiki
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.17 no.3
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    • pp.223-231
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    • 2005
  • When test tubes for PCM with melting point lower than a room temperature are installed vertically as the T-history method proposes, there exists a temperature distribution in the longitudinal direction by natural convection, which lowers the precision of measured heat-of-fusion. The purpose of the present work is to improve the precision by arranging the test tubes horizontally, while maintaining the simplicity and convenience. Assuming that the amount of heat transfer is very small through the vapor space formed in the upper part of the tubes by volumetric change, the obtained value by the T-history method using the latent heat period bounded by two inflection points is in good agreement with that of the literature. Also, the scattering of measured values by the proposed method decreases markedly compared to that of vertical positioning.

A study of scientific theory in 『Li-Yao-Pian-Wen』 (리약병문의 학술사상에 관한 연구(1) -외치요법의 처방 선택과 처방조제(處方調劑)원칙-)

  • Jung, Myumg Young;Kim, Eun Ha;Ahn, Sang Woo;Lee, Byung Wook
    • The Journal of Korean Medical History
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    • v.18 no.1
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    • pp.65-88
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    • 2005
  • 1) Objective External treatments have various curative effects. So it had been used to cure various patients. But, it has a limited sphere of application in the present South Korea. And the "Li-Yao-Pian-Won" had been written by Wu-Shang-Xian(吳尙先) in 1864. The book is the first technical book of external treatments. So, he has been held in respected as the father of external treatments by many people. Therefore we would like to bring out it's external treatments theory 2) Conclusions He had insisted that external treatments principles are identical with internal treatments. So, prescriptions of external treatment are selected and made by principles of internal treatment. But external treatments have following characteristics 1. Each of external treatment prescriptions have various effects. 2. Exchange of treatments is very easy. 3. We can make free use of various external treatments for care at a time. 4. External treatments are very economical. 5. External treatments are very easy to study. 6. External treatments are simple, speedy, precision.

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Yielding Behavior of Compacted Decomposed Granitic Soil under Anisotropic Compression Previous Loading (비등방 압축의 선행재하를 받은 다짐풍화화강토의 항복거동)

  • Jeong, Sang-Guk;Kang, Kwon-Soo;Yang, Jae-Hyouk
    • Journal of the Korea institute for structural maintenance and inspection
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    • v.5 no.3
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    • pp.233-244
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    • 2001
  • Stress-strain behaviour of soil varies based on stress path and stress history. There has been few study on the characteristics of yielding curve which has anisotropic compression stress history in decomposed granite soil. During this study, various stress path tests in previous anisotropic compression stress history are performed on compacted decomposed granite soil sampled at Iksan, Chonbuk. Yielding points are determined from various stress-strain curves (${\eta}-{\varepsilon}$, ${\eta}$-v, and ${\eta}$-k, ${\eta}$-W curves). Stress-strain curve is certified which shows yielding point very clearly. The shape and characteristics of anisotropic compression yielding curves are examined. The main results are summarized as follows : 1) p' constant and compressive direction in stress paths, which has experienced previous anisotropic compression stress history, shows relatively dear yielding points. 2) Yielding curves defined from ${\eta}$-k and ${\eta}$-W curve show almost perfect ellipse. 3) Directions of plastic strain incremental vector($dv^p/d{\varepsilon}^p$) are not perpendicular to yielding curve.

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A Study on Modeling Index Literatures and Index Techniques for Establishing DB of Korean Acupuncture, Moxibustion and Surgical Techniques (한국 침구외과 지표기술 및 지표문헌 DB 구축을 위한 범위 설정과 모델링 연구 - 침구기법과 외과적 수기법을 중심으로 -)

  • Cha, Wung-Seok;Kim, Min-Seon;Kim, Dong-Ryul;Ahn, Sang-Woo
    • The Journal of Korean Medical History
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    • v.28 no.2
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    • pp.73-85
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    • 2015
  • This paper is the result of a research conducted for "Knowledge Resource Development by Excavation and preservation and DB Establishment of Traditional Home Remedy", a part of Korean Medicine knowledge infrastructure establishment and Korean Medicine therapy development project executed by Korea Institute of Oriental Medicine. This paper is a part of the plans to standardize Korean acupuncture and moxibustion and surgical techniques in order to make new techniques derived from Korean traditional medicine patentable, as presented in the Nagoya Protocol. By first reviewing traditional text sources and classifying them into index literature and index techniques, we can see a mutual relationship between these two categories. Based on current research papers, this study has established a total of 121 pieces of index literature as well as extracted 64 types of index techniques in acupuncture and surgery technique. Both index literature and index technique have been concurrently visualized in this paper in the "Korean Acupuncture & Moxibustion Technique and Surgical Manipulation Base Map".

Evaluation of the Relationship Between Possible Earthquake Time History Shape Occurring in a Target Fault Using Pseudo-Basis Function (유사기저함수를 사용한 대상 단층에서 발생 가능 지진파 형태 사이의 관계 표현 방법 개발 및 포항 단층과 경주 단층 발생 지진에의 적용)

  • Park, Hyung Choon;Oh, Hyun Ju
    • Journal of the Earthquake Engineering Society of Korea
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    • v.27 no.3
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    • pp.139-145
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    • 2023
  • It is essential to determine a proper earthquake time history as a seismic load in a seismic design for a critical structure. In the code, a seismic load should satisfy a design response spectrum and include the characteristic of a target fault. The characteristic of a fault can be represented by a definition of a type of possible earthquake time history shape that occurred in a target fault. In this paper, the pseudo-basis function is proposed to be used to construct a specific type of earthquake, including the characteristic of a target fault. The pseudo-basis function is derived from analyzing the earthquake time history of specific fault harmonic wavelet transform. To show the feasibility of this method, the proposed method was applied to the faults causing the Gyeong-Ju ML5.8 and Pohang ML5.3 earthquakes.

A Study on the Improvement of Cannabis Production History Management in Korea -focused on Gyeongbuk Hemp Regulation Free Zone- (국내 대마 생산이력관리 개선에 관한 연구 -경북 산업용 헴프 규제자유특구 사업을 중심으로-)

  • Kim, Han-Sol;Shin, Min-Joon;Pan, Young-Hwan
    • Journal of the Korea Convergence Society
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    • v.13 no.5
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    • pp.249-259
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    • 2022
  • More than a year has already passed since the Gyeongbuk Hemp Regulation Free Zone Project was implemented, and it is time to supplement and review the deficiencies in production history management for the domestic hemp industry after the Free Regulatory Zone. In this study, the current status and characteristics of cannabis history management in the Gyeongbuk Hemp Regulation Free Zone project were investigated, and problems with current history management were derived using service design tools such as pilot interviews, shadowing, and Customer journey map. The case of the cannabis production system and the CTS recommended for the legal cannabis market in Oregon, a leading country, was compared and analyzed, and the direction was to secure safety through production cycle history management suitable for growth characteristics, efficient technology application for real-time management, and history information sharing. Through this study, it is expected that it will help improve the current hemp production history management system and properly settle the history management system of domestic hemp industrialization in the future.

Risk Factors for Postmenopausal Osteoporosis in Korea (한국 폐경 여성의 골다공증 위험 인자에 관한 연구)

  • Lee, Dong-Yun;Gu, Seung-Yeop;Kim, Seok-Hyeon;Choe, Yeong-Min;Mun, Sin-Yong;Kim, Jeong-Gu
    • Journal of Korea Association of Health Promotion
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    • v.2 no.2
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    • pp.137-148
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    • 2004
  • Objective : To identify the risk factors for postmenopausal osteoporosis in Korea Materials and methods : Bone mineral density (BMD) at the lumbar spine and femoral neck was measured by dual energy X-ray absorptiometry in 808 apparently normal postmenopausal Korean women. Questions about life style, demographic parameters, medical history and social habits etc. were asked on these women; 2ll women with normal bone mineral density, and 597 women with osteopenia or osteoporosis. Results 'Age of >50 years, low body mass index (BMI; <18.5 kg/m2), long duration of menopause(>10 years), and previous history of fracture were associated with increased prevalence of osteopenia or osteoporosis. Women without the outside activity also showed a higher frequency of low bone mass, Risk for osteopenia or osteoporosis was low in women with high BMI (>23 kg/m2) and women with job. The prevalence of low bone mass appeared to be independent of the following parameters: socioeconomic status, familial history, smoking, drinking, exercise, previous use of oral contraceptive, coffee or milk consumption, and degree of sunlight exposure. Conclusion 'Age, BMI, duration of menopause, previous history of fracture and degree of outside activity are the risk factors for postmenopausal osteoporosis in Korea.

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A Study of Architectural Features on Keunsaemal Asan Sinhang-ri (Birthplace of Former President Yun Bo-seon Village) (아산 신항리 큰새말 (윤보선 전 대통령 생가마을) 건축특성 조사연구)

  • Lee, Wang-Kee;Kang, In-Gu;Moon, Tae-Mo;Song, Yeon-Ah
    • Journal of architectural history
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    • v.19 no.2
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    • pp.7-20
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    • 2010
  • Keunsemal, Sinhang-ri, Dunpo-myeon Asan-si,Chungcheongnam-do is where the former President of Korea, Yun, Bosun was born. The houses of Yun, Il-Sun, Yun, Je-Hyung, Yun, Seung-Gu, and where the former President Yun was born are designated as cultural assets by the Korean government. The three houses of the Yuns are located in the center of the village and the size is much different from regular houses since they were created as large scale house of nobilities during the Chosun Dynasty. Along with the three Yun houses and other houses in the village show a great history and tradition of the history and modern times. Unlike other traditional village arrangement, this village was created during the end of Chosun Dynasty and extended into the modern times. From the village, you can see the changes in architecture within the 200 years from traditional Korean-style houses to modern houses. This investigation is a research / analysis of the architectural characteristics of Keunsemal, Sinhang-ri, Asan-si. People can observe changes in the different types of architectural forms of houses based on the history of Korea and time periods. Within the village, there are large scale house of nobilities which were built during the late Chosun Dynasty, common people's houses, farmhouses which were built during the modern times, common people's houses during the industrialization period, and modern houses with backyards. The village of Keunsemal, Sinhang-ri, Asan-si is a very special cultural asset for Korea because the houses in the village show a clear architectural process of change in styles of houses for Korean history.

The World's Gaze and Desire on the Opium War ('아편전쟁'을 바라보는 세계의 시선과 욕망)

  • Jin, Sung Hee
    • Cross-Cultural Studies
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    • v.33
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    • pp.53-75
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    • 2013
  • It is well-known that Chinese saw themselves as the centre of the world until the early 20th century. Since the Opium War 1840, however, belong to the 'general world' the past century. The Opium War made China break away from the Sinocentric spirit. This writing(essay) examines movies from China and the World concern the historical event 'the Opium War.' It also discusses desires that are inherent in narration of each movie and how accord with the real world. The movie The Opium War(1997) directed by XieJin is a work that intended: to wash off the memory of history of disgrace and; to successfully put a disparate piece, Hong Kong, of a puzzle named China together. The Japanese movie Wànshìliúfāng(1943)and The Opium War(1943) were also made for the victory of the Pacific War. They were part of project for uniting the domestic Japan and the colonial outlands - Manchuria and Joseon - that reenacted humiliating history of China, which had been the suzerain of the East Asia The Korean movie The Opium War(1964) was not recalled due to the demand for a lesson from China's painful history, but was recreated by imitating Hong Kong, into where capitalism was transplanted through the Opium War before Korea. History is eventually recalled to the present and the histories, that each different present invokes, are recreated in respective fashion. From their plan to wash off the history of disgrace and successfully return Hong Kong to its native country, China, Japan, and Korea portrayed China, once their cultural suzerain, as impotent East Asia. From their proposition that they should resist the present enemy, the West, together, they imitated the west of the East, which lead the way to achieve modernity. Finally, from their ambition to deviate from their status as developing country, they recalled and reorganized the history, the Opium War.

A Study on the Medical Records of Heebin Jang in Seungjeongwon Ilgi (『승정원일기』에 기록된 장희빈 의안 관련 연구)

  • Pahng, Sung-Hye;Kim, Namil;Ahn, Sangwoo;Cha, Wung-Seok
    • The Journal of Korean Medical History
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    • v.27 no.2
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    • pp.53-62
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    • 2014
  • The objective of this article is to investigate the medical records written in Seungjeongwon Ilgi ("承政院日記") about Heebin Jang (張禧嬪), who was the mother of King Kyeongjong. She was one of the royal concubines of King Sukjong and later became the queen and then was demoted back to the concubine. The method to do this study was to search the records of Seungjeongwon Ilgi ("承政院日記") from Sukjong 15th year (A.D. 1689) to 20th year (A.D. 1694) on the website databased and serviced by National Institute of Korean History. The results were as follows. According to the website search, Heebin Jang (張禧嬪) suffered from three kinds of diseases. The first was a mastitis right after her delivery. The second was an abscess on the back of her head. The third was a relapse of phlegmturbidity and heat, which was her chronic disease. Also, three features could be found regarding characteristics of Royal medicine. The first was how the queens were taken care of before and after their delivery. The second was who lanced the queen's abscess. The third was how the Royal medicine and people's medicine interchanged.