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프톨레마이오스의 『테트라비블로스』의 아랍어 주석과 『天步眞原』
곽문석 ( Kwak¸ Moon-seok ) 명청사학회 2021 명청사연구 Vol.- No.56
This paper is a study of the reception history of Ptolemy’s Tetrabiblos in Asia, especially in China. The Tetrabiblos was translated into Chinese twice between the 14th and 17th centuries in the Ming dynasty. The first translation was Mingyi tianwenshu 明譯天文書 translated from a Arabic text. The second was Tianbu zhenyuan 天歩真原 translated from a Latin text. In this paper, I argue that the Tianbu zhenyuan and its Latin Vorlage was also influenced by Arabic astrological texts. As such an example, I will present the use of the terms such as “black bile”(heitan 黑痰), “yellow bile”(huangtan 黃痰), “life-bringing”(xuezhongzhiqi 血中之氣) and “phlegmatic”(baitan 白痰) in the Tianbu zhenyuan. These terms were used in the astrological context in the writings of Arab medieval astrologers such as Abu Ma'sar, Al-Qabīṣī and Al-Biruni. In conclusion, two ptolemaic texts translated in the Ming dynasty were influenced by arabic astrology. This paper will contribute to research into the reception history of Ptolemy not only in the medieval arabic and latin worlds but also in Eastern Asia.
Performance Improvement of Satellite Navigation System Using Inter-satellite Distance Information
Moonseok Choi,Jongsun Ahn,Sangkyung Sung,Jaegyu Jang,Young Jae Lee 한국항공우주학회 2018 International Journal of Aeronautical and Space Sc Vol.19 No.2
A satellite navigation system calculates the position of a user using measurement values from a satellite, receiver, and broadcast ephemeris, which provides position information about the navigation satellite. However, in scenarios where it is difficult to secure sufficient satellite visibility, such as in a downtown area, the position accuracy of a global navigation satellite system is reduced. This study proposes a navigation algorithm for improving the accuracy of navigation using a measurement value in addition to the existing pseudorange measurement. A user who cannot secure a sufficient navigation visibility uses a standalone scheme that depends exclusively on the pseudorange measurement to estimate the position. The proposed method uses a position estimation algorithm that uses the measured value of the distance between satellites and geometric relation between users to construct a measurement equation, and combines this with the existing pseudorange measurement equation. The results obtained from static and dynamic experiments verify the superior performance of the proposed navigation algorithm.
Eosinophilic Granuloma Treated with Prednisolone and Azathioprine in a Dog
Moonseok Jang,Wanghui Lee,박성준 한국임상수의학회 2022 한국임상수의학회지 Vol.39 No.4
A two-year-old, intact male, 45 kg Doberman Pinscher was referred with dermal nodular lesions affecting the left hindlimb. The cytological examination revealed eosinophilic inflammation. Skin biopsy specimens showed canine eosinophilic granuloma (CEG). The dog was administered oral prednisolone (1.5 mg/kg/day) and azathioprine (2 mg/kg/day). After one week, the skin lesions diminished dramatically, but the dog presented with severe watery diarrhea. The prednisolone dose was reduced by 0.9 mg/kg/day. The lesions and diarrhea improved markedly after one week. Prednisolone was tapered by 25% of the previous dose every week to 0.2 mg/kg/day. Azathioprine was also reduced to therapy every other day. After seven weeks of combination treatment, the medications were withdrawn, but the dog had a recurrence one week later. Azathioprine (2 mg/kg/EOD) was reintroduced for two weeks. There was no relapse after all the medications had been withdrawn. This case indicates that CEG can be managed with prednisolone and azathioprine. Azathioprine may be an effective adjunctive immunosuppressive agent, and may be considered as a well-tolerated prednisolone sparing agent to treat CEG.
장문석(Moonseok Jang),고건(Kern Koh) 한국정보과학회 1991 한국정보과학회 학술발표논문집 Vol.18 No.2
다중 프로세서 시스템에서 병렬 컴파일러를 사용하면 하나의 응용 프로그램을 병렬로 수행하여 수행 속도를 높일 수 있다. 그러나, 컴파일러가 응용 프로그램 내에서 탐지한 병렬성을 충분히 이용하기 위해서는 새로 생성되는 제어 흐름을 효율적으로 제어해야 한다. 특히, 순차적 응용 프로그램과 병렬 응용 프로그램이 혼합되어 시분할 방식으로 수행되는 다중 프로그래밍 환경에서는 운영체제가 이드를 효과적으로 제어하는 기능을 가져야 한다. 본 논문에서는 컴파일러가 탐지할 수 있는 병렬성 중에서, 프로시져 수준과 루프 수준의 병렬성을 가진 응용 프로그램을 다중 프로그래밍 환경에서 효율적으로 수행시키기 위하여 확장되어야 할 운영체제 커널의 기능을 제시하고, 이 기능을 사용하기 위한 인터페이스를 제안하고자 한다.
장문석(Moonseok Jang) 한국서양사연구회 2015 서양사연구 Vol.0 No.52
Recent studies in business history shed light on family business or family capitalism. Italy can be a good case that illustrates the development of family capitalism. This article explores the oligarchic family capitalism and micro-family capitalism in Lombardy, in particular focusing on textile industry. Crespi as a ‘industrial dynasty’ demonstrates the family entrepreneurship and its limits, including limits of autofinanziamento and overinvestment. Meanwhile, it appears that small-scale family firms in rural areas struggled for survival, depending upon ‘self-exploitation’ or intensive labor investment of family members and relatives. Interestingly, family firms in Como silk industry investigated by Yanagisako demonstrate that desires and sentiments among family members can be the forces of production that make the generation of family capitalism possible. As a matter of fact, the problem of succession is a subtle but most important side of family capitalism which used to be dramatically expressed as the so-called ‘Buddenbrooks syndrome’ which means the decline in third generation. Various efforts were made to overcome crisis of succession of family firms, including the adoption of the managerial elements beyond the family. This suggests that, just as capitalism requires the non-capitalist resources like family, family capitalism needs the professional managerial elements outside family. In short, it can be said that the structures of family firm do not determine the tragic decline of family firms, as implied by the ‘Buddenbrooks syndrome.’
High-speed synthetic aperture microscopy for live cell imaging.
Kim, Moonseok,Choi, Youngwoon,Fang-Yen, Christopher,Sung, Yongjin,Dasari, Ramachandra R,Feld, Michael S,Choi, Wonshik Optical Society of America 2011 Optics letters Vol.36 No.2
<P>We present a high-speed synthetic aperture microscopy for quantitative phase imaging of live biological cells. We measure 361 complex amplitude images of an object with various directions of illumination covering an NA of 0.8 in less than one-thirteenth of a second and then combine the images with a phase-referencing method to create a synthesized phase image. Because of the increased depth selectivity, artifacts from diffraction that are typically present in coherent imaging are significantly suppressed, and lateral resolution of phase imaging is improved. We use the instrument to demonstrate high-quality phase imaging of live cells, both static and dynamic, and thickness measurements of a nanoscale cholesterol helical ribbon.</P>