• Journal of Life Science
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• v.18 no.6
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• pp.759-763
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• 2008

Halophila ovalis (R. Br.) Hook. fil. was first collected from the Ando, Yeosu, Korea in 2007. H. ovalis is Widely distributed from sub-tropical to even tropical areas and produces the seeds using bisexual reproduction. Its leaf shape was oblong to ovate. Its leaf blades were rigid in texture, with a strong support to the leaf. Erect shoots arose at irregular intervals along the rhizome. The distance between the intramarginal vein and leaves margin was small. Nucleotides in ITS 1 and ITS 2 regions between the Korean and Japanese H. ovalis were found to be 100% similar, whereas Korean H. ovalis was found to have four nucleotides in the positions of 202 bp to 206 bp for 5.8S. In the analysis of the phylogenetic relationship using NJ method, Korean H. ovalis had a monophyletic genetic tree with Japanese H. ovalis, but no phylogenetic relationship with types from the Philippines, Australia, Malaysia, and Vietnam. The first occurrence of H. ovalisin Korea was associated with a strong migration of gene flow from Japan and high water temperature caused by the variations in climate.

• Journal of the Korean Society of Food Culture
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• v.33 no.3
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• pp.217-228
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• 2018

This study aimed to develop unique, local "food tourism" products by finding specialized items that combine tourist attractions, such as folklore or hot springs. Traditional ingredients were analyzed with ancient texts for the methods of research. A brand image was made possible utilizing hot spring lore and other regional stories. The tofu products were produced using local specialty beans. Products, such as tofu residue cake and willow bean tea, were made with the tofu residue. After the products were completed, the sensory test began at the local tourist attraction. Asan City's food tourism product willow tofu was made with beans that were given as compensation for building the Onyang temporary palace according to the Annals of the Joseon Dynasty and the willow tree that appears in Sunshin Lee's anecdotes. After the preference test between normal tofu and willow-extract tofu was conducted to measure the product potential of willow tofu, among the sample extracts, 0.04% of the willow extract showed a significant preference. The hot spring tofu-residue cake was baked using tofu residue and vegetable olive oil to substitute for animal oil, such as butter, or margarine. After the sensory test targeting the adults was conducted, both products displayed significant product potential with average scores above 5.0. Willow tree bark, which has antioxidation and anti-inflammatory effects without a bitter taste or strong smell, was proven to bean appropriate ingredient for leached tea. The nutty flavor of leached tea was enhanced by roasted green kernel black beans and willow tree bark. The sensory test showed that the leached tea and tofu received a high preference rating on both color and flavor.

• Korean Journal of Construction Engineering and Management
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• v.14 no.4
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• pp.152-163
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• 2013

In this research, we analyse the economic feasibility of a tidal power plant project which can efficiently generate mass, permanent, predictable, and homogeneous electric power. For the economic feasibility analysis, we used the RETScreen that is developed at the CANMET Energy Technology Center in Natural Resources Canada and widely utilized for analysing the economic feasibility and sensitivity of clean energy projects. Results from the feasibility and sensitivity analysis showd that the tidal power plant project in Korea has a enough economic feasibility, and its feasibility increases more as certified emission reductions price and electricity unit price increase. Based on the results from the feasibility study, we can solve the energy problems to be come in near future by constructing the tidal power plants in Korea more aggressively.

• Journal of the East Asian Society of Dietary Life
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• v.24 no.6
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• pp.862-874
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• 2014

Salt-fermented fish and fish sauce are very important materials to make Kimchi. They provide good taste and plenty of nutrition to Kimchi during fermentation. However, it is difficult to purchase Korean salt-fermented fish or fish sauce out of Korea. Therefore, to generalize Kimchi for other countries, this research carefully compared the quality differences between Kimchi made with South East Asian fish sauce, which is fairly similar to traditional Korean salt-fermented anchovy extract (Aekjeot) in terms of taste and ingredients, and that made with traditional Korean salt-fermented anchovy extract. To determine quality differences among traditional Korean Kimchies made with different sauces, Korean-made salt-fermented shrimp, salt-fermented shrimp extract, salt-fermented anchovy and salt-fermented anchovy extract were used. Of the four Kimchis, the one made with salt-fermented anchovy extract was chosen as a control sample and compared with those made with three different South-East Asian fish sauces. In the sensory evaluation for acceptance of fish sauces, characteristics of taste, texture and overall acceptance showed significant differences. In the sensory evaluation for differences, characteristics of fish odor and crunchiness showed visible differences. For umami taste, all fish sauces received higher points than Korean salt-fermented anchovy extract (control sample), although the difference was not significant. Sensory evaluation and research results show that Kimchi can become a highly likable food overseas and Kimchi can substitute easily bought South-East Asian fish sauces for Korean salt-fermented fish sauces (Jeotkal).

• Proceedings of the KSR Conference
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• 2009.05a
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• pp.773-790
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• 2009

The Korea high speed train was launched from Seoul to Busan of 1st construction phase at 1st April, 2004. This huge project will be lead to a great change in korean society such as existing mode choice behavior change and the concentrating on KTX station zone lifestyle pattern's change. With the result to opening high speed train railway was diminished train journey time between Seoul to Busan from 4 hours 10 minute to 2 hours 40 minutes, and has been change population movement, favorite location of corporation headquarters, existing metropolitan transportation pattern and so on. In the middle of this study, I choose to analyse Seoul-Cheonan/Asan stations, Seoul-Deajeon stations, Seoul-Deagu stations, Seoul-Pusan stations. This study have a information to analyse among as like movement of population, status of employee structure, usage of land, movement inland transportation mode. I sure that this study will lead to helpful prediction both 2nd phase of Kyoung-bu high-speed railway and Ho-nam high-speed railway in advance.

• Ocean and Polar Research
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• v.32 no.3
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• pp.203-212
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• 2010

Distribution of organophosphorous pesticides (OPs) was studied from February to September 2008 in the seawater of Asan Bay, Korea. Among the 29 types of OPs detected during the study period, IBP(S-benzyl O,O-diisopropyl phosphorothioate), ranging from <1 ng/l to 377 ng/l, was the most abundant. Other commonly observed OPs concentrations in the study area included diazinon (Diethyl 2-isopropyl-4-methyl-6-pyrimidinyl phosphorothionate; <1~307 ng/l), azinphos ethyl (3,4-Dihydro-4-oxo-3-benzotriazinylmethyl O,O-diethyl phosphorodithioate; <1~1997 ng/l), malathion (1,2-Di(ethoxycarbonyl)ethyl O,Odimethyl phosphordithioates; <1~3013 ng/l), demeton-O (Diethyl 2-(ethylthio)ethyl phosphorothionate; <1~2403 ng/l), and DDVP (2,2-dichlorovinyl dimethyl phosphate; <1~283 ng/l). Seasonal distribution of OPs in seawater is dependent on the OP application period. In August, OPs concentrations were generally decreased with the increased salinity of seawater, implying progressive dilution of pesticides in the estuarine system. OPs were deposited into Asan Bay from Asan and Sabkyo Lakes as well as surrounding tributaries. Ten OPs, including diazinon, were detected in the suspended particles of Asan Bay.

• Proceedings of the Korean Professional Engineer Association Conference
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• 1995.10a
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• pp.46-68
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• 1995

근 반세기 동안에 세계에서 간척 사업이 가장 활발하였던 곳은 화란의 북해안과 우리 나라의 서남해안이다. 이는 한반도의 서해안을 말하는 것으로 북한까지 포함된 것을 말한다. 그간 우리 나라는 간척 사업에 의해 농지의 외연적인 확대로 쌀의 지급율을 높이는 데 일익을 담당한 것도 사실이다 우리 나라의 서해안은 간만의 차가 커서 \circled1간척지가 잘 발달되어 간척 적지가 많고, \circled2지구 내의 배수 방식이 외국에서처럼 기계 배수가 아니고 자연 배수가 가능하여 유지 관리비가 적게 든다. 그러나 \circled3 방조제. 축조시 불가피하게 강력한 조류속이 발생하지만 이에 견별 수 있는 자연 석재를 비롯하여 축제 재료의 구득이 용이하고, 돌망태 공법을 개발하여 공사가 용이하고 공사비도 저렴하다. 또한 태풍이나 해일에 의해 해면이 상승하는 기상조도 일본이나 화란의 3.5m인데 비해 우리 나라는 1.5m정도로 이들 나라에 비하여 같은 조건에서도 둑마루 높이가 2.0m정도가 낮아져 공사비도 저렴하고 외측 피복공 공사도 용이하다. 뿐만 아니라 서남 해안의 해안선은 굴곡이 심하고 연안에는 섬들이 산재하여 있어, 매립 면적당 방조제의 길이가 짧고, 공사의 단계별 추진이 용이하다. 간석지의 토질도 비교적 단단하여 방조제의 축조나 토지 이용에 적합하는 등, 자연적인 간척 여건은 세계에서 찾아볼 수 없는 천혜의 입지 조건을갖추고 있다. 그동안 우리 나라의 간척 기술은 8 . 15 광복 이후, 소규모 간척 사업을 시행하다가 60년대에 이르러 국가 경제 개발의 일환으로 추진된 동진강 간척사업을 필두로, 70년대에는 남양, 아산, 삽교천 방조제 공사를 시행하면서 우리 나라 여건에 부합되는 방조제 구조와 공법을 독자적으로 개발하였고, 80년대에는 영산강, 대호, 금강, 90년 초에는 영암방조제 공사들을 무리없이 성공시켰고, 독자적인 기술 개발이 촉진되어 1994년 1월에는 세계 간척사상 유출입 조석량이 가장 큰(9억m$^3$로 그간 우리나라 및 화란에서 시행하였던 큰 규모는 약 3~억 m$^3$ 내외임) 시화 방조제 끝막이 공사를 우리 나라가 개발한 구조와 공법으로 성공시켰으며, 이에 힘입어 유출입 조석량이 18억m$^3$인 새만금 간척 공사를 독자적인 우리 기술에 의해 계획대로 시행되고 있는 현시점에서 그간 우리 나라의 간척 기술개발 사항은 물론, 간척 사업 .전반적인 사항을 요약하였고, 세계 각국의 간척 사업과도 비교하여 우리나라 간척 사업에 대한 현주소를 여기에 소개한다.

• Journal of the Korean Institute of Rural Architecture
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• v.18 no.2
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• pp.47-54
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• 2016

The objective of this study is to propose the principle and method of the spatial system modification for the compatibility of habitability and tourism convenience in cultural property villages. Based on the field survey on tourists' routes, activities and their durations in Oeam-maeul, the problems of conflict, between habitability/residents and tourism/tourists, and their causes are analyzed. And the modification principle and method of spatial system is proposed as follows; The basic principle of the spatial system modification is to respect the traditional hierarchy in village roads, between the main road and sub-roads, and the territoriality of settlement space that is typically differentiated as the social, individual, and ceremonial domains, from the front to rear part of settlement. With this principle, it is recommended to restrict the tour route to one that is composed of the main road and the periphery road of housing area, and some connecting sub-roads. based on the surveyed tourists's routes. And it is suggested that the tourist facilities, whether they are existing houses or newly built buildings, and the tourist programs are necessary for experience tourism to cultural property villages, and they are proposed to be placed along the restricted tour route.

• Journal of Korea Port Economic Association
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• v.29 no.3
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• pp.135-158
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• 2013

There have been many conflicts in Pyeongtaek-Dangjin Port among central government, metropolitan council, and cities over the jurisdiction of reclaimed port area, an international passenger terminal construction and a bridge between the port and Dangjin area. This study found out two causes for the conflicts in terms of governance. First, the current governance structure of Pyeongtaek-Dangjin port has high levels of conflict and disputes among stakeholder. Second, there is no leading agency which is responsible for the future development of the port. It is very important to decrease the possibility of conflict and to establish leading agency. Measures to decrease the likelihood of conflict include establishment of conflict resolution mechanism, the clarification of the facts and applicable law, mutual exchanges between stakeholder. Measures to establish a leading agency include the introduction of a single governance, establishment of Pyeongtaek-Dangjin Port Authority, central-local combined governance, and empowering PA to do all port management.

• Journal of the Korean Institute of Rural Architecture
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• v.17 no.2
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• pp.51-58
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• 2015

10 years ago, in Sijeon-ri, Dogo-myeon, Asan-si, the existing stream was repaired to develope Mt. Dogo trail and irrigation systems through road expansion pavement construction and small stream repair construction. The trees such as persimmon and willow are eliminated that rowed on both sides of the stream and dredging work to dig the rock and sand have been performed. As a result, wide asphalt road was built, also flood damage worries were reduced. 10 years passed and now, how did local residents think about the stream repaired before and after? Village residents, public officials, and the stream construction engineer were interviewed. Villagers indicated a problems that brook became a place where water peppers were taking over and water was stagnating due to the slow velocity so nothing could live and natural landscape like a wash place and the cascade disappeared, because rock and sand were taken out brought soil into the brook. Public officials and engineers were aware of the problems at the time of the stream. Now that construction is completed after 10 years, Both realistically and budgetary to restoration would be difficult. However, it is necessary to seek for waterfront space which can be restored or replaced by a part of the stream like similarly before. In addition, it is necessary to restore to the progression of a natural stream which connect with stairs(or slope) - small waterfalls - pools - wash place. In this paper, we hope to take a lesson from the Sijeon-ri model and make rural stream construction be prepared with consideration about not only distinct characteristics of specific area but also the opinion of local resident.