• 대한지리학회지
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• 제48권3호
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• pp.433-452
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• 2013

일제강점기에 기원한 일본식 지명이자 상업 중심지로서의 본정통은 오늘날까지 우리나라 도시들에서 번화가를 일컫는 대명사로 통한다. 이 연구는 서울의 충무로와 명동 일대를 사례로 도시 본정통이 함축하고 있는 다양한 장소 기억들을 탐색한 것이다. 연구자는 장소 기억이라는 개념을 지리학의 입장에서 정초한 다음, 이 개념을 매개로 본정통이라는 한 장소에 쌓인 기억의 다층성과 경합성에 주목하며 본정통의 장소 기억을 세 가지 층위로 재구성할 수 있었다. '식민 권력의 상징' vs. '근대의 표상', '금융 자본주의의 심장' vs. '문화 예술인의 마당', '유행의 공간' vs. '정체성의 장소'가 그것이다. 결론적으로, 연구자는 도시에서 우리 삶의 흔적이 여기 저기에 수평적으로 산재하는 것이 아니라 도시 안의 한 장소 그 자체가 일종의 팔림세스트라는 점을 강조하였고, 따라서 도시 공간에 대한 연구에서 수평적 접근보다는 수직적 접근이 필요함을 주장하였다.

• Journal of Photoscience
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• 제9권2호
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• pp.47-50
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• 2002

Raft is a distinctive membrane domain enriched in a certain class of lipids, cholesterol, and proteins observed on the plasma membrane. Growing evidence has revealed that such membrane domains play key roles in signal transduction, fertilization, development, transmitter release, and so on. Recently, we have isolated raft-like detergent-resistant membrane (DRM) fraction from bovine photoreceptor rod outer segments. Transducin and its effecter, cGMP-phosphodiesterase, elicited stimulus-dependent translocation between detergent-soluble membrane and DRM. This suggested potential importance of such distinct membrane domains in vertebrate phototransduction. Here, we will discuss physiological meaning of the translocation of major components of cGMP cascade to raft-like membrane in phototransduction. We would like to propose a hypothesis that raft-like membrane domains on the disk membrane are the place where cGMP cascade system could be quenched.

• 한국안전학회지
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• 제18권3호
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• pp.94-100
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• 2003

Gel-like compounds containing flammable solvents were prepared to use fur cleaning agents in field of innovative industries and general purposes. And experiments were conducted to improve the defects of liquified flammable solvents from the view point of safety and health hazards. Flammable solvents used in this study were several single component flammable solvents(turpentine oil, N-methyl-2-pyrrolidone(NMP), d-limonene) and multi component flammable solvent(gasoline and ethanol). For gelation of flammable solvents, commercially Known as Aerosil(equation omitted) 200 fumed silica and triethanolamine(TEA) were used as gelation agent dispersant. The analyses on properties of gel-like compounds was studied by gelation and viscosity test pH test, volatility test and differential scanning calorimetry(DSC) measurement. The experimental results indicate that gel-like compounds containing flammable solvents have pH stability, high viscosity, volatile organic compounds(VOC) control by the decrease of volatility and odor component generation, fluidity control etc. From the experimental values, it can be predicted that the safety in the working place is improved by manufacturing flammable solvents into gel-like compounds.

• Journal of Microbiology and Biotechnology
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• 제33권8호
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• pp.992-997
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• 2023

Ferroptosis is a new kind of programmed cell death of which occurrence in microorganisms is not clearly verified. The elevated level of reactive oxygen species (ROS) influences cellular metabolisms through highly reactive hydroxyl radical formation under the iron-dependent Fenton reaction. Iron contributes to ROS production and acts as a cofactor for lipoxygenase to catalyze poly unsaturated fatty acid (PUFA) oxidation, exerting oxidative damage in cells. While ferroptosis is known to take place only in mammalian cells, recent studies discovered the possible ferroptosis-like death in few specific microorganisms. Capacity of integrating PUFA into intracellular membrane phospholipid has been considered as a key factor in bacterial or fungal ferroptosis-like death. Vibrio species in bacteria and Saccharomyces cerevisiae in fungi exhibited certain characteristics. Therefore, this review focus on introducing the occurrence of ferroptosis-like death in microorganisms and investigating the mode of action underlying the cells based on contribution of lipid peroxidation and iron-dependent reaction.

• 한국실내디자인학회논문집
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• 제24권4호
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• pp.124-134
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• 2015

This study aims to identify the characteristics of expression of place identity shown in public design of Choryang Ibagugil in Dong-gu, Busan and analyze them from physical aspects and from psychological ones. Choryang Ibagugil has special historicity indicating that it is a hillside road(Sanbokdoro) dwelling site created after the 6.25 Korean War and the quintessence of Busan. In addition, the site is a good example that used the topographic characteristics as they were and used the road for movement called as 'gil' to design public environment. Ibagugil connected to Sanbokdoro (i.e. Mangyang-ro) starting from the big road (Busan Station) where there was a large floating population represented the regional identity to public design by the medium of 'gil.' As a result of analyzing the characteristics of expression of place identity based on the current status discovered, our conclusions could be drawn as follows: First, place forms identity under interpersonal relationships and there is a story on the lives of people in the contexts between place and identity. Second, place identity is an independent specialty of a certain place and expression of place identity into public design makes the place more place-like. Ibagugil expressed its identity while adapting to the topographic characteristics of hillside road(Sanbokdoro). Third, adjacent public buildings were included into Ibagugil, thus highlighting the placeness, although it is considered that it is ambiguous to determine it as public design in the current-status analysis. Fourth, from the public value aspect, slumized hillside road(Sanbokdoro) was improved, which led to improvement in quality of environment and improvement in pride of local residents. Resultingly, it can be said that the place identity appeared in the public design of Choryang Ibagugil were the stories that happened in this place. Moreover, the indication of future image of how the place will be developed in the future makes the value of the place more significant. Therefore, in public design for expressing place identity, utilization of independent speciality of the site is considered to be an important factor. By doing so, 'place becomes a real place' and 'place can get an independent identity.' Going further, it comes to get the characteristics of 'being the place as it is.'

• The Journal of Asian Finance, Economics and Business
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• 제7권5호
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• pp.305-314
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• 2020

The paper explores the return migration choice of graduates, which takes place during the transition from higher education to the labor market. Graduate students, after a short time in temporary migration to cities for studying, have to make a decision of returning back home or staying in migration in urban areas for working. Drawing on the mechanism identified in the literature on internal migration, this empirical research tests the effects of two factors: place attractiveness and social supports factors on graduates' decision to return migration to hometown. A binary logit regression analysis was conducted with data from 502 surveyed graduates in Hanoi, Vietnam. The analysis of the motives reported by graduates indicates that return migration decisions cannot be reduced to a single dimension. Perceived attractiveness of a region such as quality of living environment, job opportunities, and social context of individuals positively impact on student' decision to return migration after graduation. The research results imply that, in a collectivistic country like Vietnam, students' choice of future career is strongly influenced by their social context, and choosing a place to work is not simply a matter of earning a higher salary or enjoying better working conditions, but is also related to family issues.

• 말소리와 음성과학
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• 제7권3호
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• pp.37-44
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• 2015

This study investigated the effects of the age of Korean speakers, place of articulation, and phonation types on voice onset time (VOT) of stops. Twenty-five preschoolers, 25 schoolers, and 25 adults who had no history of speech and language impairment produced plosives in /VCV/ words in isolation. A three-way ($3{\times}3{\times}3$) mixed design was used with the age of speakers (preschoolers, schoolers, adults) as a between-subject factor, the place of articulation (bilabials, alveolars, velars) and phonation types (plain, tense, aspirated consonants) as a within-subject factor. The dependent measure was the VOT values. Results revealed that three main effects were statistically significant. Preschoolers exhibited longer VOTs than adults (p<.05). There were significant differences in VOTs among the place of articulation, showing that speakers had the longest VOTs for velars (velars > alvelars > bilabials) (all p<.05). In addition, the VOTs for aspirated consonants were longer than those for plain and tense consonants, and the differences were significant among three phonation types (aspirated > tense > plain) (all p<.05). The current results suggested that VOTs would be linked to age and development, and schoolers over the age of 11 years had achieved adult-like VOTs. Moreover, the place of articulation and phonation types in Korean stops showed marked factors in normal speakers' VOT patterns.

• 디자인학연구
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• 제14권3호
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• pp.87-96
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• 2001

우리 나라의 도시 발전을 살펴보면 60년대 이후 개별적인 건물은 발전을 보였으나, 인간을 위한 휴식공간은 거의 도외시 되어왔다. 또한, 기계화·정보화가 심화되면서 사람들은 인간 소외를 느끼게 되는데, 도심지 네 휴식 공간은 새로운 공동체 형성의 기반이 될 수 있다 따라서, 현재 빌딩 술인 도심지 내에 인간이 중심이 되는 휴식 공간에 대한 연구와 개발이 필요하다. 본 연구는 새로운 휴식공간 및 가로시설물의 디자인 제안을 위해 문헌 고찰과 인터넷 검색방법으로 도시민들의 휴식공간 사용 행태와 가로 시설물을 조사하였다. 또한, 이를 바탕으로 인간·자연·환경 기술이 고려된 도심지 내의 휴식공간을 디자인 하고자 하였다. 본 연구의 결과물로 제시되는 도심지 내 휴식공간은 사용자가 공간 내 환경과 상호 작용할 수 있고, 사무에 지친 오피스 워커들을 실외로 유도할 수 있도록 계획되었다. 따라서, 도시민들은 도심지 내에서 뜻밖의 자연환경을 즐길 수 있고, 재충전의 기회를 가질 수 있다 이 공간은 진입유도공간, 휴식공간, 단체공간, 정보탐색 공간, 문화생활공간과 같이 다섯 영역으로 구성되었으며, 각 영역은 그 특성에 맞는 디자인 모티브를 가지고 있어, 가로시설물 및 조경계획은 통일성을 갖도록 하였다. 본 연구에서 특정 대지를 대상으로 하여 계획된 휴식공간은 하나의 프로토 타입으로써 대지 조건에 따라 가변적으로 재배치될 수 있다.

• 한국지역지리학회지
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• 제20권2호
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• pp.153-162
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• 2014

본 연구는 연변조선족자치주 조선족 마을 지명을 분석하여 한반도에서 유래된 이식지명의 분포와 유형을 파악하고자 하였다. 연구결과 연변조선족자치주에 분포하는 2,015개 마을 중, 조선족 거주지역은 945개 마을로 분석되었 다. 조선족 거주지 지명을 분석한 결과 한반도에서 유래된 이식지명은 51개로 파악되었다. 중국의 시대적 변천에 따라 한반도 기원의 이식지명은 현재까지, 34개 지명이 소실되었고, 유지된 지명은 16개, 그리고 소실 후 다시 복원된 지명은 1개로 나타났다. 이식지명은 명명 방법에 따라 소지역 직접이식, 대지역 직접이식, 병합이식으로 나눌 수 있었다. 소지역 직접이식은 전북 정읍, 무주와 같이 기원지와 도착지 지명이 같은 경우, 대지역 직접이식은 강원도 사람들이 마을을 이루어 명명한 강원촌, 그리고 병합이식은 함경도 길주와 석성면 지명이 결합되어 길성촌으로 명명된 경우가 예가 된다. 본 연구결과는 민족의 이주과정 및 정체성 연구를 위한 기초 정보를 제공해 줄 수 있을 것으로 기대된다.

• 한국공작기계학회:학술대회논문집
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• 한국공작기계학회 2001년도 춘계학술대회 논문집(한국공작기계학회)
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• pp.229-233
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• 2001

In this paper, we propose a remote controller for robot manipulator using local area network(LAN) and internet. To do this, we develope a server-client system as used in the network field. The client system is in any computer in remote place for the user to log-in the server and manage the remote factory. the server system is a computer which controls the manipulator and waits for a access from client. The server system consists of several control algorithms which is needed to drive the manipulator and networking system to transfer images that shows states of the work place, and to receive a Tmp data to run the manipulator. The client system consists of 3D(dimension) graphic user interface for teaching and off-line task like simulation, external hardware interface which makes it easier for the user to teach. Using this server-client system, the user who is on remote place can edit the work schedule of manipulator, then run the machine after it is transferred and monitor the results of the task.