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이광웅(Lee, Kwang-Woong) 한국조형디자인학회 2009 조형디자인연구 Vol.12 No.1
The mother-of-pearl lacquer represents Korean traditional lacquerer arts and Juleumjil’s technique is the representative skill in the mother-of-pearl lacquer. Nacre is not only the common notation used in Asia such as Korea, China, Japan but also the industrial material used plentifully. Besides, it has gotten on the track as the representative lacquerer arts genre and the superiority of artistry and production technique is known rightly world-wide. The origin of the mother-of-pearl lacquer is presumed that is started from around 1st century before era and had been decorated with Ottchil until before the period of the three states. However, it had been attached to seven sides to decorate that gold plate, gold foil, buprestid’s back bark, glass etc not the Ottchil from the period of the three states. I think that Juleumjil’s technique is to attatch Nacre which is cut to lacquer ware and the one in the period of the three state is the origin of the Juleumjil’s technique. The technique of th Nacre and Pyeong-Tal techniques was appeared in the period of the Unified Silla, which was very famous at that time. But Goryeo Nacre which character was stylish, noble, fully refined and ripened was emerged. It was the unique technique based on the fabulous pattern, the harmony of the materials. At Joseon’s period, free pattern was showed like simple and popular, even humorous. Nacre and Juleumjil’s technique has been used widely and popularly from the middle of Jeseon age until now. We can find that almost of the remains that was made with the mother-of-pearl lacquer was produced with Juleumjil’s technique. Juleumjil is the technique to make pattern which was cut with a fret saw, scissor, knife. At that time they surely used the awl or needle etc. Around the 1900 year, the inflow of awl changed Juleumjil’s technique dramatically. At the end of 1970’s, the invention of machine for cutting Nacre could make the start of the mechanization. However, the data about Juleumjil’s technique such as terminology, technique etc is wholly lacking. Until now, the research and historical consideration has been done many times, but general research like material, process, skill has been remained nothing. The research below tried to investigate changing process etc. from historical creation of our traditional technique, Juleumjil and not only to establish technique but also terminology such as incorrect work process etc. between artisans. As a result, lots of different process and terminology was found between them so that I tried to establish work process and terminology with using statistics. I wish that the research below could help give a little more opportunity to be more scientific and objective, logical to others. Moreover, the research now can help a little not only succeed to the value of arts and the superiority of technique but also develop in Korean the mother-of-pearl lacquer.
이광웅 ( Kwang Woong Lee ) 대한간암학회 2011 대한간암학회지 Vol.11 No.1
Hepatocellular carcinoma (HCC) usually appears in the setting of underlying liver disease. Therefore, HCC should be managed in multidisciplinary settings. Under these circumstances, several practice guidelines were introduced around the world. Clinically useful practice guidelines should be based on evidences, but socio-economic and medical status of the country should be considered as well. In this review, 6 well-known global practical guidelines (BCLC-AASLD, NCCN, 2 from Japan, APASL, Korean) were compared in terms of resection and liver transplantation (LT). BCLC-AASLD from Europe and the United States stressed more on LT for the patients within Milan criteria. However, the guidelines from the Asia had more extended indication of liver resection. The number of living donor LT in Korea is the highest in the world. Under this circumstance, indication of LT for HCC in Korea is inevitably being expanded. Compared to other guidelines, therefore, Korean guideline allowed a limited expansion of indication for HCC into patients with Child A and/or living donor LT with outside Milan HCC. However, to make more practical guidelines, high quality evidence from Korea and validation study of current Korean guideline are needed.
대두 ( Glycine max ) 하배축 (下胚軸) 유래 칼루스의 원형질체 분리 및 배양
이광웅(Kwang Woong Lee),이행순(Haeng Soon Lee),김상구(Sang Gu Kim) 한국식물학회 1985 Journal of Plant Biology Vol.28 No.3
The isolation and culture of protoplasts from hypocotyl-derived calluses of Glycine max (L.) Merr. cv. Jangyeop were carried out. The maximum protoplast yield of 5.3×10 exp (6) per gram fresh callus was obtained by digestion for 6 hrs in an enzyme solution containing 3.5% cellulase, 1.5% macerozyme, 10% sorbitol and 0.1% CaCl_2·2H_2O at pH 5.8. Newly formed cell wall of protoplasts cultured in MS agar medium containing 10 μM α-naphthaleneacetic acid (NAA) and 32 μM N^6-benzylaminopurine(BAP) could be observed after 24 hrs culture. The first cell division of the protoplasts was observed after 3 days of culture; cell clusters after 2 weeks of culture. When transferred to solid media, the protoplasts formed cell clusters gave rise to proliferating calluses.
이광웅(Kwang Woong Lee),조성호(Sung Ho Cho),차현철(Hyeon Cheol Cha) 한국식물학회 1980 Journal of Plant Biology Vol.23 No.2
The optimal conditions for the protoplast isolation from the leaves of pea (Pisum sativum L. cv. Sparkle) and barley (Hordeum vulgare L. cv. Baecdong) were determined in order to achieve a somatic hybridization between teo species. It was revealed that the use of 0.5M sorbitol as an osmoticum was appropriate for pea. The yield of intact protoplasts was the highest (40%) when pea leaves were incubated in the enzyme solution for 4 hours. In case of barley, the optimal concentrations of cellulase, pectinase and mannitol as the enzyme solution were 2%, 1% and 0.35M, respectively. And the yield of barley protoplasts was the highest (87%) when leaves were incubated in this enzyme solution for 3.5 hours. A fusion of protoplasts from pea and barley was induced by PEG treatment enriched with calcium salts within 60 minutes.
B형간염 표면항체 양성인 환자에서 간이식 후 B형간염 재발에 대한 예방법으로서 B형간염 면역글로블린과 라미부딘의 효과 비교
이광웅(Kwang-Woong Lee),박재범(Jae Berm Park),조재원(Jae Won Joh),김성주(Sung Joo Kim),송건도(Geon Do Song),최성호(Seong Ho Choi),허진석(Jin Seok Heo),김용일(Yong Il Kim),이병붕(Byung Boong Lee),김정한(Jeong Han Kim),이석구(Suk Koo L 대한외과학회 2001 Annals of Surgical Treatment and Research Vol.60 No.6