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유기원,김기주 한국건축역사학회 2017 건축역사연구 Vol.26 No.6
Ordinary people generally bury or burn placenta when the baby was born. But, Joseon royal family put placenta in pot and then buried it in propitious site praying for good health and long life. After that baby had become the king of Joseon, people built stone figures formed fixed type at that place. It is called gabong-taesil(加封胎室). The purpose of this study is to figure out the type and characteristics of the King Taejo’s taesil in Joseon Dynasty. The King Taejo’s taesil had built first as soon as Joseon was established circa 1393, and repaired largely in 1689. Since then, this was damaged by the Japanese Empire and assembled in recent days at near place from the original place. Center piece of taesil remains the original form, and the rest of stone figures is assumed to be rebuilt in 1689. But, some materials like sangseok(裳石) and jeonseok(磚石) are assumed that are original stone figures or were made, assembled by the style of then. Considering most of remained taesil is a relic of the latter part of Joseon Dynasty, the King Taejo’ taesil has high cultural value as the first gabong-taesil of Joseon Dynasty inheriting Goryeo Dynasty type. 조선시대 왕의 자녀로 태어난 아기의 태(胎)는 일정한 형식과 절차에 따라 아기태실(阿只胎室)을 만들었고, 후일 이 중에서 왕위에 오른 아기태실은 특별히 지상에 석물을 더하여 새로 조성하고 이를 가봉태실(加封胎室)이라 하였다. 본 연구는 조선을 개국하였던 태조 이성계의 가봉태실의 형식과 특성을 밝히고자 하였다. 1393년 함경도 영흥의 용연에 묻혀 있던 태조의 태를 금산으로 옮겨 태실을 조성한 후 가봉비를 세웠고, 1689년에는 대대적인 개수 작업을 통하여 새로 표석을 세우는 등 주변을 정비하였다. 이후 일제에 의하여 크게 훼손되었던 태실은 1993년 원래 자리에서 조금 떨어진 곳에 다시 조성되었다. 태실은 크게 태실부와 표석부로 나뉘는데, 본 연구에서는 태실부만을 대상으로 하였다. 태실부는 기단부, 태석부, 난간부 등으로 다시 구분되며, 각 부분은 시기와 특성에 따라 각각 3개의 형식으로 나눌 수 있다. 태조 태실의 태석부는 개첨석과 중동석이 한 몸으로 만들어진 가장 오래된 형식으로 1393년 가봉 당시의 형식으로 추정되며, 난간부는 동자석 없이 주석과 횡죽석으로 구성된 초기의 형식을 유지하되, 이후의 형식이 가미되어 있어 주로 1689년 개수 작업 당시의 것들이 남아 있다. 기단부의 경우는 각각 8개의 전석과 상석만으로 이루어져 있는 초기 형식으로, 이곳에만 남아 있는 것으로 그 의미가 크다. 이상에서와 같이 태조태실은 17세기 말에 크게 중수되었음에도 일부 부재를 제외하고 조선 초기의 형식을 대부분 유지하고 있어 역사적 가치가 매우 높은 것으로 판단된다. 또 조선 건국 직후 최초로 가봉된 태실이라는 점을 감안한다면 앞으로 태실을 연구하는 데 있어 태조태실의 형식과 특징은 편년 설정의 중요한 기준이 될 수 있을 것이다.
유기원,강용구,이한용,고해석,최진화 대한척추외과학회 1996 대한척추외과학회지 Vol.3 No.2
To evaluate the clinical characteristics and treatment of lumbar disc herniations over the age of 60 years old, we reviewed 13 patients. The mean age was 63.8 years old. We excluded the patients with degenerative spinal deformities or spinal stenosis. The mean duration of symptoms was 6.8 months. Sciatica was the predominant symptom and was present in all patients. Positive nerve root tension sign was seen in 85% of the patients. Motor weakness and sensory deficits were found in more than half of the patients. The lumbar disc herniations in elderly patients showed typical clinical symptoms of disc herniation with short duration of severe back pain and sciatica rather than those of spinal stenosis or other degenerative spinal diseases. The one third of the patients showed multi-segment involvement in preoperative CT and MRI. In the type of disc herniation, the destruction of posterior annulus fibrosus (extruded or sequestrated) was predominant. All of the patients was treated with partial hemilaminectomy and disc excision without further lateral or foraminal decompression for the all involoved segments. Mean follow-up was 28 months. About seventy percent of the patients had excellent or good final results. The surgery for the lumbar disc herniation in elderly patients will yield satisfctory results if a proper investigation and correct diagnosis are obtained.
유기원,박태준,김정,장병찬,양수빈,손종태 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.66 No.1
Low-cobalt Li[Ni0.6Co0.1Mn0.3]O2 cathode materials were synthesized by using a hydroxide coprecipitationmethod. Because we wanted to optimize the synthesis conditions, we studied theeffects of different lithium contents and calcination temperature on the structural and the electrochemicalproperties of this unfamiliar cathode material. All as-prepared materials were indexedin the R-3m space group, and all samples showed different structural and electrochemical propertiesfor different synthesis conditions. In particular, in the case of NCM-4 (lithium content: 1.09,calcination temperature: 850 C), the sample showed excellent electrochemical properties with a reversiblespecific capacity of 175.00 mAhg−1 [cut-off voltage: 3.0 4.3 V, 0.1 C (current density: 17mAhg−1)] and a good capacity retention of 91.7% after 50 charge/discharge cycles [cut-off voltage:3.0 4.3 V, 1 C (current density: 170 mAhg−1)].
경북 영해(寧海) 옥천재사(玉川齋舍)의 건축 특성 및 영향
유기원,Ryu, Kee-Weon 한국주거학회 2012 한국주거학회 논문집 Vol.23 No.2
This study aims to examine the transitional process and its effect of Okcheon Jaesa in Yeonghae, Kyoungbook province. Through various bibliographies and Jaesil building in Yeonghae area, the results of this study are as follows: 1) Okcheon Jaesa was established in early 17th century at latest, since then it had been relocated several times. And it was estimated that it was relocated finally to its current location in 1725. 2) Hwasooroo was constructed in 1753, but it was destroyed by a fire in 1811. It is estimated that it was restored next year and remained so far. 3) The closed feeling of space of courtyard in Okcheon Jaesa is estimated as a result of replacing existing lecture hall into the lecture hall with elevated pavilion. 4) Andong-Kweon family affected on building of jaesil each other among their families through mutual exchange and competition. It is estimated to be the influence of Jipheeam of Mooan-Park family that Okcheon Jaesa was changed to Jaesil with elevated pavilion. Since then, Jaesil with elevated pavilion is estimated to have had effect on building Jaesil with low-columned elevated pavilion in Yeonghae area.