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고려시대 식생활 문화의 한 면을 보이다 -박용운 지음, 『고려시대 사람들의 식음(食飮) 생활』 (경인문화사, 2019)-
윤성재 한국중세사학회 2019 한국중세사연구 Vol.0 No.58
Life history is miscellaneous and unorganized, but it is individual and overall. Among them, food culture history is hard to find overall trend. The results are hard to come by the question of whether two or three meals are eaten per day, or whether meat was eaten in the ‘Buddhist nation’, is so unified that there are so many variables, such as times, classes, and regions, and individual experiences and preferences are different. This book is the result of research on food and drink of the people of Goryeo Dynasty. Unlike the title, however, it is the cultural history of food reserves. Research has focused on the institutional role of food rather than on food consumption. The outline of this book is as follows. Chapter 2 describes the types and meanings of grains. Chapter 3 divided and analyzed the breeding animals and the hunting animals. Meat eating increased in the latter period compared to the previous period without any opinion on existing theories. In Chapter 4, aquatic products were divided into fish, shellfish or crustaceans, seaweeds, and salt. Salt was explained mainly on the merchandise, which is a merchandise or salt monopoly, which is supplied to citizens rather than food. Salt is explained mainly on relief system or salt monopoly(榷鹽) rather than foods. Chapter 5 describes vegetables and fruits. As for the vegetables, the data used were taken from the existing research results, so the results were not very different, and the classification criteria of fruits were not suggested. Concerning meals, Goryeo people usually ate two or three meals a day, but there were more cases of the former. Chapter 6 describes water, tea, and alcohol. Although the data on the food of Goryeo Dynasty were summarized and some new perspectives were presented. However, the data classification system was insufficient, the recent research results and the data collection were insufficient, and the analysis was incomplete. Lastly, we must oversee the stages of food production, distribution, cooking, eating, and processing to consume food. However, if we stop at the list of ingredients, we cannot look at the food life. In spite of various problems, this book summarizes the achievements of the research so far, and it means that the first step was taken. In addition to 『Apparel Life in Goryeo Dynasty』(2016), it will serve as a foundation for the study of life history in Goryeo Dynasty.
윤성재 역사실학회 2022 역사와실학 Vol.79 No.-
"Sagunji" written by Yu Deuk-gong(柳得恭), describes the historical geography of ancient Hansagun, and was composed of the History of construction, Terrain, Facts, Servants, People, Feudal lords, Dialects (方言), local goods(土産), Historic Sites and Versification. “local goods(土産)” of Sagunji(四郡志) was different from the one listed in the geography of the late Joseon Dynasty as a local property(物産), and the amount is very small. It is only one item of fabric, one item of insects, two items of weapons, one item of grain, one item of animal, and one item of fish. The reason why Yu Deuk-gong(柳得恭) used “local goods(土産)” as the title instead of “local property(物産)” used in “Balhaego(渤海考)” would have a large time limit. This is because the local property(物産) produced in the old Hansa-gun area were unknown. In addition, due to the limitations of cited data, it may have helped that the local products were not known at the time of the Joseon Dynasty. However, despite various restrictions, he recorded the old Hansa-gun area, especially the “local goods(土産)” of NakRang, which is designated as Pyongyang, and HyunDo, which is designated as Hamgyeong-do, with the utmost precision. This may be because this area has been a part of the Joseon Dynasty since ancient times, and even at the time of Yu Deuk-gong(柳得恭), it was intended to secure historical justification for collecting taxes. 유득공이 지은 사군지(四郡志) 는 고대 한사군(漢四郡)의 역사지리를 서술한 것으로, 서문(序文)과 사군도(四郡圖), 사군표(四郡表)에 이어 본문에 해당하는 지(志)는 건치연혁(建置沿革), 산천(山川), 사실(事實), 명환(名宦), 인물(人物), 봉작(封爵), 방언(方言), 토산(土産), 고적(古蹟), 제영(題詠)으로 구성되었다. 사군지 「토산」은 조선 후기 지리지에서 「물산」이라는 항목으로 기재된 것과는 다르며, 분량도 아주 적다. 직물 1항목, 곤충 1항목, 무기 2항목, 곡물 1항목, 짐승 1항목, 물고기 1항목에 불과하다. 유득공이 발해고 에서 사용했던 「물산」 대신에 「토산」을 표제로 삼은 이유는 시간적 한계가 가장 큰 이유였을 것이다. 옛 한사군 지역에서 생산되는 물산을 알 수 없었기 때문이다. 하지만 여러 제약에도 불구하고 옛 한사군 지역, 특히 평안도로 비정되는 낙랑과 함경도로 비정된 현도의 「토산」을 최대한 정밀하게 수록한 것은 이 지역은 예부터 조선 국토의 일부이며, 그곳에서 유득공 당시까지도 세금을 걷는 것에 대한 역사적 정당성을 확보하고자 했기 때문일 것이다.
윤성재,이강원,이경수 대한기계학회 2015 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.29 No.10
This paper presents a power management strategy to minimize the fuel consumption of a heavy-duty series hybrid electric vehicle. Thevehicle model, which consists of a CNG engine, a generator, two driving motors and a battery, is developed and validated with experimentaldata. Dynamic programming (DP) is applied to design a control algorithm optimizing fuel consumption of the series hybrid electricvehicle. By imitating the behavior of the DP control signal, a rule-based control algorithm is proposed. The controller actuates theCNG engine, generator, and battery to minimize fuel consumption and maintain the battery state of charge within a proper region. Simulationstudies and experiments are conducted for typical driving modes to investigate the performance of the proposed power managementstrategy. Results indicate that fuel economy can be enhanced by approximately 30% using the proposed power management strategyto the series hybrid electric vehicle over the conventional vehicle.
윤성재,전진실,진성호,강성권,김영인 대한화학회 2017 Bulletin of the Korean Chemical Society Vol.38 No.7
The syntheses, structures, photophysical, and electroluminescent properties of three green emitting heteroleptic cyclometalated iridium(III) complexes, (ptfmppy)2Ir(pic) (Ir1), (dfptfmppy) 2Ir(pic) (Ir2), and (tfptfmppy) 2Ir(pic) (Ir3) [ptfmppy = 5-(trifluoromethyl)-2-(phenyl)pyridine, dfptfmppy = 5-(trifluoromethyl)-2-(2,4-difluorophenyl) pyridine, tfptfmppy = 5-(trifluoromethyl)-2-(2,3,4-difluorophenyl)pyridine, and picH = picolinic acid] and the results of an investigation on their suitabilities for phosphorescent organic light-emitting diodes (phOLEDs) applications are reported. X-ray single crystal structures showed that iridium(III) cations in Ir1 and Ir2 adopted six-coordinated geometries involving two C and two N atoms from substituted-ppy, and one N and one O atom from pic, which produced a distorted octahedral geometry. Photoluminescence (PL) spectra revealed that the synthesized iridium(III) complexes exhibited emissions at 497 ~ 534 nm in dichloromethane with high photoluminescence quantum yield (PLQY) ranging from 60 to 67%, and TGA experiments showed that they had good thermal stabilities. In Ir3, the conjugation effect rather than the electronic effect of the 3-positioned fluorine atom on phenyl ring of ppy increased the HOMO energy level causing bathochromic shifts. Electroluminescent devices of ITO(110 nm)/PEDOT:PSS (40 nm)/PVK:TCTA:OXD-7:Ir (80 nm)/TmPyPB (20 nm)/Al (100 nm) were fabricated using the iridium(III) complexes as phosphors in an emitting layer, and their electroluminescent performances were investigated.
윤성재,송영광,김민지,신재민,진성호,강성권,김영인 대한화학회 2014 Bulletin of the Korean Chemical Society Vol.35 No.11
Two novel phosphorescent heteroleptic cationic Ir(III) complexes, Ir(bt)2(dmpe) (Ir1) and Ir (bt)2(dppe) (Ir2), where bt is 2-phenylbenzothiazole, dmpe is 1,2-bis(dimethylphosphino)ethane, and dppe is 1,2-bis(diphenylphosphino) ethane, were designed and synthesized. Their photophysical and electrochemical properties and the X-ray structure of the Ir1 complex were investigated. The prepared Ir(III) complexes exhibited blue-green emissions at 503-538 nm with vibronic fine structures in dichloromethane solution and PMMA film, implying that the lowest excited states are dominated by ligand-based 3π-π* transitions. The π-acceptor ability of the diphosphine ancillary ligand leads to blue-shift emission. The room temperature photoluminescent quantum yields (PLQYs) of Ir1 and Ir2 were 52% and 45%, respectively, in dichloromethane solution. These high PLQYs resulted from steric hindrances by the bulky cationic iridium complexes. The crystal structure of Ir1 was determined by X-ray crystallography, which revealed that central iridium adopted a distorted octahedral structure coordinated with two bt ligands (N^C) and one dmpe ligand (P^P) showing cis C-C and trans N-N dispositions. The bent nature of the dmpe ligand resulted in a relatively wide bite angle of 83.83o of P-Ir-P.