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조선통신사선의 계류와 수리 ―1719년 大坂 尻無川의 사례―
정성일 국립해양문화재연구소 2018 해양문화재 Vol.11 No.-
The ships of the Joseon Tongsinsa, Korean Embassy to Japan sailed only as far as Osaka. This was because overland routes were used from Osaka to Edo. Regarding the ships that were left docked in Osaka, they received maintenance and repairs. These conditions had to be met in order for the Korean Embassy to return safely to Joseon. The results of an analysis of the 1719 Korean Embassy to Japan are presented as follows. The ships carrying the Korean envoy anchored at Shirinashigawa in Osaka. From the fourth day of the ninth month of 1719 until the third day of the eleventh month of the same year, for approximately two months the Korean Embassy secured space for the six ships. There, the Edo bakufu assisted in constructing facilities. The delivery of materials to be used for maintenance and repairs were provided by the bakufu. Tsushima domain managed external protection and anchorages. Based upon the results of the analysis above, the breadth of the history of foreign relations and the numerous facets of interaction that involved Koreans who participated in the Korean Embassy in both Joseon and Japan has become clear. Comparative analyses of interaction in other periods will be undertaken as future topics.
일본 사절의 조선 국왕 조문과 대마도주의 별폭 -1864년 철종 승하 조문 사절을 중심으로-
정성일 한일관계사학회 2024 한일관계사연구 Vol.83 No.-
이 논문은 朝鮮의 國喪을 吊問하러 건너온 日本使節과 對馬島主의 別幅을 다루었다. 국왕 조문과 국왕 이외(왕비, 왕대비, 대왕대비, 세자) 조문을 분석 대상으로 모두 포함시켰다. 국왕 조문은 1649년부터 1864년까지, 국왕 이외 조문은 1684년부터 1857년까지 분석하였다. 그 가운데 1864년 철종 승하 조문 사절을 집중적으로 살펴보았다. 일본의 조문 사절은 두 통의 서계를(조선의 예조참의를 수신인으로 하여 작성한 서계 1통, 동래부사・부산첨사 앞으로 보내는 서계 1통) 지참하고 왔다. 이에 대하여 조선 정부는 세 통의 회답서계를(예조참의를 발신인으로 하는 서계 1통, 동래부사와 부산첨사를 각각 발신인으로 하는 서계 1통씩) 작성하여 일본의 조문 사절에게 전달하였다. 국왕 조문 사절이든 국왕 이외 조문 사절이든 일본 측 서계의 발신인은 對馬島主(對馬州 太守)로 되어 있었으며, 조선이 작성해 준 회답서계의 수신인도 역시 대마도주였다. 이처럼 조선 정부와 대마도 사이에는 일본이 파견한 조문 사절의 왕래를 통해 조・일 양국의 외교관계를 다시 확인하였다. 이때 교환된 書契와 함께 거기에 딸린 別幅은 두 나라가 외교를 더욱 강화해 갈 것을 서로 약속한 증거로 작용하기도 했다. 마지막 사례인 1864년의 경우를 보면 대마도주는 7종(前卓, 燭臺, 蠟燭, 朱漆圓盆, 華甁, 香爐, 沈香)의 賻物을 別幅으로 가져왔고, 이에 대하여 조선의 예조에서는 9종(人蔘=人參, 虎皮, 白苧布, 黑麻布, 白木綿, 花席, 四張付油芚, 黃毛筆, 眞墨)의 別幅으로 답례하였다. 양국의 별폭에 포함된 이들 물품은 외교적 기능과 함께, 양국 간 문화 접촉(또는 교류)의 기회를 제공하는 계기를 마련했다. This paper deals with Japanese envoys sent to express condolences to the King of Joseon and the diplomatic documents and gifts of the Tsushima domain. The King died and so did the others (the queen, the mother of the King, the grandmother of the King, and the prince), and these were included. The condolences to the kings were analyzed from 1649 to 1864, and to those other than kings from 1684 to 1857. This paper focuses on the condolences to King Cheoljong especially in 1864. The travel of the condolence envoys dispatched by the Tsushima domain to the Joseon government reaffirmed and strengthened diplomatic relations between Joseon and Japan. At that time, the diplomatic gifts attached to them along with the exchanged diplomatic documents served as evidence of the two countries' commitment to further strengthen diplomacy. The Tsushima domain sent the Joseon government seven kinds of diplomatic gifts in 1864: a ritual table, candles, candlesticks, red-painted round bowls, vases, incense burners, and aloeswoods. In response, the Joseon government delivered nine kinds of gifts in return: ginseng, tiger skin, white ramie cloth, black hemp cloth, white cotton, a patterned mat, thick paper, brush, and ink to the Tsushima domain. The items included in such diplomatic gifts between the two countries reflected the culture of the society at the time as well as diplomatic functions.
정성일,김백암,이학민,임지원 한국고분자학회 2013 Macromolecular Research Vol.21 No.6
In this study, polyvinylamine (PVAm), poly(vinyl sulfonic acid) (PVSA), and poly(styrene sulfonic acid)(PSSA) were physically adsorbed, using the ‘salting-out’ effect, onto hydrophobic membrane surfaces such as polysulfone (PSf), polyvinylidene fluoride (PVDF), and polyethylene (PE), commonly used as ultrafiltration (UF)and microfiltration (MF) membranes. The physical adsorption of such hydrophilic polymers were monitored as a function of concentration, time, type of salt, and ionic strength, and the resulting adsorbed membranes were characterized using a contact angle measurement, a gravimetric analysis, X-ray photoelectron spectroscopy (XPS), and scanning electron microscopy (SEM). In most cases, with increasing the adsorption time, the wettability of surface-modified membranes was significantly improved. Physical adsorption of hydrophilic polymers on hydrophobic membrane surfaces, facilitated by the salt-out effect, was almost achieved within a few minutes. Typically, a contact angle of 47o was observed at ionic strength (IS)=0.1Mg(NO3)2·6H2O and PVAm 2,000 ppm for a PSf membrane. The weight changes by adsorption were varied with adsorption time in the cases of PVSA and PSSA, while the weight change for PVAm approached the equilibrium rapidly after the initial adsorption time.
고속 디지털 시스템 채널의 신호 무결성 성능 분석을 위한 웹기반 서비스 플랫폼
정성일,조재용,이승요 대한전기학회 2020 전기학회논문지 P Vol.69 No.2
In general, frequency domain and time domain signal integrity characteristics include frequency domain S-parameters, time domain reflectometry(TDR), time domain transmission(TDT) and Eye-Diagram. In this paper, an web-based simulation environment(WSE) which is implemented for analyzing frequency domain and time domain signal integrity characteristics of high-speed digital system channel is introduced. The WSE can be utilized for channel simulation in low cost and reduced time, and in this platform users can also share the engineering web report page link which shows the performance results calculated by the computing machine on the commercial cloud service. By using this WSE, users can communicate with the design engineers and share the design comments verifying the standard channel’s electric specifications.