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원산거류지(元山居留地)의 도시공간(都市空間)의 형성과정(形成過程)에 관한 고찰(考察)
양상호,Yang, Sang-Ho 한국건축역사학회 1994 건축역사연구 Vol.3 No.2
This paper is one of Korean towns in the period of Korean-Modern, which play an important role in shaping the present cities of Korea. In the concrete, this study deals with the urban form of the Japanese Concession at Womsan where is the second Open Port in Korea. By the way, both of the Open Port and the Concession were the town that not exist before the period of Korean-Modern, and the town that symbolize the historical characters of the period of Korean-Modern. On this study, it is intended to analyze the situations of establishment, the process of the urban form, and the meanings of Concession, from 1880 to 1910, the period when had been kept up the nature of the Concession mainly. The Japanese Concession at Wonsan was urged it's establishment by Japan Government that is conscious of the purpose of foreign trade and military importance. But, it was slow in progress of developing town because of the distance from the capital 'Han Yang', today we called it Seoul, and lack of the background towns. However, after both the wars of 1895 and 1904, Japanese residents were incresed and urban aspects were advanced. The urban form of Japanese Concession was devided two territories by the natural circumstances, so that was made a difference on the period of the development. And finally, it had double axis on the form of district. Furthermore, by increasing of residence, it was occured that new Japanese resident arwa was occupied and expanded illegally between the road which is toward the existing Korean village 'Womsan-Jin(元山津)'. This indeed is the illegal extension of the Japanese Concession at Wonsan. Conclusively, Concession fumed out the primary factor that Korean towns are altered with the heterogeneous ones in the period of Korean-Modern.
In vitro and in vivo anti-inflammatory effects of pegmatite
Jo, Wol-Soon,Yang, Kwang-Mo,Choi, Yoo-Jin,Jeong, Chang-Hwa,Ahn, Kyoung-Jin,Nam, Byung-Hyouk,Lee, Sang-Wha,Seo, Su-Yeong,Jeong, Min-Ho The Korean Society of Toxicogenomics and Toxicopro 2010 Molecular & cellular toxicology Vol.6 No.2
Pegmatite is a coarse-grained intrusive igneous rock rich in rare elements such as uranium, tungsten, and tantalum with Ca, K, Mg, Fe, Se, Ge, and Ho. We tested in vitro and in vivo assays for the anti-inflammatory activity of pegmatites. We firstly evaluated the suppressive effects of pegmatite on macrophage cell line RAW 264.7 cells stimulated with proinflammatory stimuli lipopolysaccharide (LPS) to determine nitric oxide (NO) production and TNF-$\alpha$ and IL-6 release. The $IC_{50}$ values of pegmatite exceeded $5,000\;{\mu}g/mL$. Treatment of RAW 264.7 cells with pegmatite significantly inhibited LPS-stimulated NO production and proinflammatory cytokines such as TNF-$\alpha$ and IL-6 secretion in a dose-dependent manner (P<0.05). In vivo studies were tested with two animal models of arachidonic acid-induced mouse ear edema and an acetic acid-induced increase in capillary permeability. The pegmatite significantly attenuated ear edema induced by arachidonic acid and reduced the acetic acid-induced increase in capillary permeability in mice (P<0.05) when the pegmatite was administered topically (10 mg per ear) for 24 h. Therefore, pegmatite potentially shows an anti-inflammatory activity in the in vitro and in vivo mice and in the development of newer anti-inflammatory agents as mineral materials.
종 분포 모형을 이용한 구상나무림의 지속 및 쇠퇴에 관한 연구 - 전라남도 광양시 백운산을 중심으로 -
조선희 ( Seon Hee Cho ),박종영 ( Jong Young Park ),박정호 ( Jeong Ho Park ),이양근 ( Yang Geun Lee ),문이만 ( Lee Man Mun ),강상호 ( Sang Ho Kang ),김광현 ( Gwang Hyun Kim ),윤종국 ( Jong Guk Yun ) 한국산림과학회 2015 한국산림과학회지 Vol.104 No.3
The present study investigated the habitats of Korean fir trees (Abies koreana E. H. Wilson) on Mt. Baekwun (Baekwun-san), determined the current distribution, quantified the contribution of biological and nonbiological environmental factors affecting the distribution, derived actual and potential habitats, presented a plan for the establishment of protected areas, applied RCP 8.5 climate change scenario to analyze the effects of climate change on the future distribution of Korean fir trees, and predicted future potential habitats. According to the results of the study, 3,325 Korean fir trees (DBH >= 2.5 cm) inhabited Mt. Baekwun, and their distribution area was approximately 150 ha. Populations of Korean fir trees were confirmed to exist at an altitude of 900 m above sea level and were distributed up to 1,200 m. Based on potential distribution, areas appropriate for habitation by Korean fir trees were analyzed to be 450 ha, three times the current distribution area, with a focus on Sang Peak (Sang-bong), Eokbul Peak (Eokbul-bong), Ddari Peak (Ddari-bong), and Dosol Peak (Dosol-bong). The forest stands near Sang Peak, the main peak, were evaluated as those with the most appropriate potential for the habitation of Korean fir trees, and populations of the trees tended to prefer the northern slope rather than the southern slope. When climate change scenario RCP 8.5 was applied and future potential distribution was analyzed, the habitats were expected to decrease in area to 20 ha by 2050, with a focus on Sang Peak, and areas appropriate for habitation were predicted not to exist by 2080. Judging from such results, as global warming accelerates, the habitats of Korean fir trees are clearly expected to move from lowlands to highlands.
Yang, Sung-Ho,Park, Yong-Pil The Korean Institute of Electrical and Electronic 2000 전기전자재료학회논문지 Vol.13 No.9
Bi$_2$Sr$_2$Ca$_{n}$Cu$_{n+1}$ O$_{y}$(n$\geq$0; BSCCO) thin film is fabricated via two different processes using an ion beam sputtering method i.e. co-deposition and layer-by-layer deposition. A single phase of Bi2212 can be fabricated via the co-deposition process. While it cannot be obtained by the layer-by-layer process. Ultra-low growth rate in our ion beam sputtering system brings out the difference in Bi element adsorption between the two processes and results in only 30% adsorption against total incident Bi amount by layer-by-layer deposition, in contrast to enough Bi adsorption by co-deposition.on.n.
Yang, Sung-Hoon,Yang, Jae-Shick,Jo, Won-Ho The Polymer Society of Korea 2000 Korea polymer journal Vol.8 No.5
Molecular mechanics technique has been used for finding energy-minimized conformation to understand the mechanism of yielding of glassy polymers in atomistic level. As a model polymer, amor- phous isotactic polypropylene (iPP) was generated by molecular mechanics and molecular dynamics methods. The stress-strain cone was successfully obtained by using molecular mechanics technique. The torsional angle distribution showed no significant change during extension, although the torsional angles of certain bonds in polymer backbone changed more largely than other bonds. No significant change in the van der Waals interaction is observed at yielding point, whereas the torsional angle energy starts to decrease at yield strain.
Yang-Hoon Chung,Joon-Ho Lee,Bon Sung Koo,Misoon Lee,Seokhyung Hong,Ki Nam Park 순천향대학교 순천향의학연구소 2020 Journal of Soonchunhyang Medical Science Vol.26 No.1
Nasotracheal intubation is valuable during intra-oral surgery. A common complication of this technique is epistaxis. We experi- enced a case of middle turbinate fracture which showed no immediate signs of fracture such as bleeding or avulsed particles. Two months later, it was discovered in the form of nasal obstruction with a mass-like lesion. Symptoms associated with traumatic intu- bation usually develop during surgery, and it is rare to be found a long time after surgery. We will review the anatomical and techni- cal aspects for safe nasotracheal intubation.
Antioxidant and Nicotine Degradation Effects of Medicinal Herbs
Ho-Jae Lee,Sung-Ho Hur,Eui-Cheol Shin,Yang-Bong Lee 한국식품영양과학회 2003 Preventive Nutrition and Food Science Vol.8 No.3
Antioxidant activity and nicotine degradation activity (NDA) of 21 medicinal herbs were determined by using a 1,1-diphenol-2-picrylhydrazyl (DPPH) method and a PLC/PRF5 human liver cell line method, respectively, to develop an anti-smoking aid. The highest and lowest antioxidant activities represented by IC_(50) value were 30 μg/mL of Eugenia caryophyllus and 3,270 μg/mL of Panax ginseng C. A. Meyer, respectively. Antioxidant activity of Eugenia caryophyllus was equal to 38.0±1.2 mg VCEAC(vitamin C equivalent antioxidant capacity)/ g herb. The highest and lowest NDA values were 1.81 of Astrgalus membranaceus Bunge and 1.01 of Raphani seed and Lespedeza tomentosa Sieb, respectively. Eleven medicinal herbs with high antioxidant activity and/or NDA were selected to make an herbal tea. The herbal tea had high antioxidant activity (50 μg/mL IC_(50) and 22.4±1.4 mgVCEAC/g) and NDA (1.243). The medicinal herb tea could help smokers quitting smoking by degrading and exhausting nicotine accumulated in body and removing reactive oxygen species.