• Title/Summary/Keyword: U-turning

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Random Coefficient Models for Environmental Kuznets Curve Hypothesis in Seoul Metropolitan Region (확률계수모형을 이용한 수도권지역의 환경쿠즈네츠가설에 관한 재고찰)

  • Kim, Ji Uk
    • Environmental and Resource Economics Review
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    • v.11 no.3
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    • pp.377-396
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    • 2002
  • This paper investigates whether an inverted U relationship between pollution and economic development could be found in the Seoul metropolitan region using a panel data for the period of 1985~1999. We uses a model with a more flexible random coefficients specification which allows for a greater degree of regional heterogeneity. The emissions of sulfur dioxidetotal($SO_2$), suspended particulates(TSP), nitrogen dioxide($NO_2$), and carbon monoxide(CO) were selected as four major pollutants. We found that the emissions of these pollutants per capita except sulfur dioxidetotal exhibited inverted U shapes with per capita gross regional domestic product (GRDP). We also noted that the turning points for Seoul metropolitan region occured at a range of incomes, from $3,000 to $5,000 per capita.

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Direction toward Economic Development of Southwest Area of Jeonnam Province through Construction of Airport and Port Supporting Complex (공항만배후단지 조성을 통한 전남 서남권 경제발전방향에 관한 연구)

  • Park, Soomyung
    • Journal of Korea Port Economic Association
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    • v.29 no.3
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    • pp.39-72
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    • 2013
  • As a regional development gap between Southwest and Southeast of Jeonnam Province are becoming more serious, it is highly time to come up with measures for the balanced development of the two areas. This paper suggests construction of the Airport and Port Supporting Complex in apparent efforts to reduce the gap between the two areas and facilitate the Southwest economy. The Supporting Complex aims to constitute a triangle industrial cluster which is classified into the following three categories; 1. Traditional competitive industries 2. New growth engine industries 3. Attraction of companies u-turning from abroad such as China etc. To provide one-stop service through set-up of R&D Business Center is the heart of this triangle core. This paper had LQ and Shift&Share Analysis in an attempt to search for competitive industries among the traditional industries in Mokpo-si(city) and Muan-gun(county) of Jeonnam Province. As a result of the analysis, metal manufacturing industry and metal-working process products industry have been found competitive in the two areas. Among the new growth engine industries, this paper suggests precision instruments industry and advanced parts industry for utmost strengths of airport and port while u-turning industries from abroad include higher value-added textile industry and fashion industry. It is expected that all of above-mentioned industries for the triangle industrial cluster will contribute to laying the groundwork to develop regional economy further and create more jobs in the Southwest area of Jeonnam Province.

Sustainable Regeneration Strategies of High-Rise Apartment Estates of the Early 1990s' New Towns in the Capital Area (수도권 1기 신도시 고층고밀아파트 단지의 지속가능한 주거지 재생을 위한 과제)

  • Kwon, Seong Sil;Oh, Deog Seong
    • KIEAE Journal
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    • v.9 no.3
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    • pp.47-59
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    • 2009
  • In Korea has been supplied a large quantities of apartments since 1970s. The deteriorated middle-rise apartments of 1970s' have been rebuilt. It isn't lucrative to reconstruct the high-rise Apartment estates of the early 1990s' new towns in the capital area. Therefore the sustainable regeneration strategies of them have to be found. This research have been focused on the social and economical changes based on demography and the turning of technology and paradigm, the cities competitiveness compared with 2nd era new towns, physical deterioration of themselves. In these aspects, high-rise apartment estates in the 1st new towns face to 10 challenges such as an aging society, a multicultural society, U-city, an environmentally-friendly situation, the cities competitiveness of social, conomical and physical environment, the declining of estates, buildings and units. This study analyzed problems of 1st new town apartment estates and suggested regeneration tasks in accordence with those problems. The tasks are as follows. To accommodate the 1st new town apartment estates to social changes, they need to have a variety of community facilities and units, an opportunity of esidents participation. to establish a self-sufficient economy, a community usiness has to be vitalized and an ecological environment, an infrastructure of u-city and an improvement of physical environment obtained.

Tongue Movement and Role of Frenulum Linguae Effecting Tongue Movement during Prey Capture in Rana nigromaculata

  • Im, So-Yeon;Je, Soo-Hyoun;Lee, Jung-Hun
    • Applied Microscopy
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    • v.45 no.2
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    • pp.74-79
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    • 2015
  • This study investigated the tongue movement during prey capture by Rana nigromaculata and the location of the frenulum linguae, which effects tongue movement. The tongue of R. nigromaculata are elliptical at the anterior and concave U-shaped at the posterior. The location of the frenulum linguae of R. nigromaculata is located at the front of the submentalis. This is due to the location of the frenulum linguae, which has significantly effects the movement and the expandability of the tongue. In terms of mobility, the tongue of R. nigromaculata and the expandability of the frenulum linguae allow the tongue to increase in length two or more times compared to immobile tongue in the other species. The time required until the swallowing movement after looking at and capturing the prey was 0.692000 seconds. Filming prey capture with a high speed camera showed that the rear part of the U-shaped tongue captures the prey with an appearance of stretching out longer to the front of tongue and turning in a reverse direction to bring the prey to the mouth.

A Study on the Characteristics of Environmental Design in the Architecture of G$\ddot{u}$nther Behnisch - focus on Munich Olympic Park - (귄터 베니쉬 건축의 환경친화적 디자인 특성에 관한 연구 -뮌헨 올림픽 공원 사례를 중심으로-)

  • Choi, Man-Jin
    • Journal of the Korean housing association
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    • v.20 no.6
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    • pp.157-165
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    • 2009
  • The aim of this study on the Munich Olympic Park is to understand the characteristics and design techniques of the environmental design of G$\ddot{u}$nther Behnisch's architecture. This particular work is chosen because it represents a turning point in his architectural life in terms of his approach to environmental design. The goal of this paper is to research Behnisch's design techniques in order to realiz a way to apply nature-friendly design in contemporary-architecture. In Behnisch's architectural works, the organic design philosophies of Hugo H$\ddot{a}$ring and Hans Scharoun are clealy echoed. The site and natural surroundings are always important in his architecture. In terms of his environmentally-friendly approach, Behnisch's architecture can be defined as one which espresses a harmony between architecture and the naturale-surroundings. In terms of the structural aspect, Behnisch's architectural forms are not imposing, but rather waiting to be discovered naturally. In terms of spatial characteristics, Behnisch's spaces are based on organic characteristics and have a strong relationship between the outside and inside. In particular, the artificial architectural landscape in the Munich Olympic Park through cable-construction connects perfectly with nature.

Forecasting Exchange Rates using Support Vector Machine Regression

  • Chen, Shi-Yi;Jeong, Ki-Ho
    • 한국데이터정보과학회:학술대회논문집
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    • 2005.04a
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    • pp.155-163
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    • 2005
  • This paper applies Support Vector Regression (SVR) to estimate and forecast nonlinear autoregressive integrated (ARI) model of the daily exchange rates of four currencies (Swiss Francs, Indian Rupees, South Korean Won and Philippines Pesos) against U.S. dollar. The forecasting abilities of SVR are compared with linear ARI model which is estimated by OLS. Sensitivity of SVR results are also examined to kernel type and other free parameters. Empirical findings are in favor of SVR. SVR method forecasts exchange rate level better than linear ARI model and also has superior ability in forecasting the exchange rates direction in short test phase but has similar performance with OLS when forecasting the turning points in long test phase.

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Basic Study on In-Process Monitoring of B.U.E. using Force Sensor (Force Sensor를 이용한 구성인선의 In-Process 감시에 관한 기초 연구)

  • 원종식;오민석;정윤교
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 1996.11a
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    • pp.200-205
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    • 1996
  • Recently, in order to achieve high flexibility of manufacture, monitoring and control strategies cf a new type have been developed. Since the generation of built-up edge on the cutting tool damages the surface finish of the workpiece, the monitoring system of built-up edge is an important process monitoring. In this study, the analyzing methods of cutting force signal to detect the built-up edge during cutting process are described. The cutting force signals are analyzed using the mean, standard deviation and mean to standard deviation of this cutting signals. We can obtain the guide to detect the built-up edge during turning process.

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Economic Growth and Environmental Quality : A Case Study from Industrial Sulfur Dioxide Provincial Panel Data in China

  • Lei, Shi;Lu, Xing
    • Environmental and Resource Economics Review
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    • v.16 no.3
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    • pp.643-651
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    • 2007
  • The Environmental Kuznets Curve Hypothesis postulates an inverted-U shaped relationship between GDP per capita and various pollutants. Pollutants emission increases up to a certain level as income goes up; after that, it decreases. This paper investigates the relationship between industry pollutants taking industrial sulfur dioxide omission as example, and economic growth by using province-panel data set from 1989 to 2004 in 28 provinces of P. R. China. The result shows that the EKC hypothesis may be supported in the case of industrial sulfur dioxide, and the GDP per capital of turning point is about RMB 13,548 (at 1978 price). Except Shanghai, all the provinces GDP per capital in this study are less than RMB 13,548, indicating the amount of industrial sulfur dioxide emission will be increasing in the near future. To realize sustainable development and pollutants abatement, the central and local government should adopt an integrated strategy to protect environment.

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A study on the relationship between economic growth and carbon emission of logistics industry in Tumen River region (두만강지역 경제성장과 물류업탄소배출의 관계분석)

  • Chi, zehang;Li, Guangzhu;Li, Longzhen
    • Journal of the Korea Safety Management & Science
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    • v.18 no.4
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    • pp.39-46
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    • 2016
  • In this paper, the relationship between energy consumption in the logistics industry and economic growth of Tumen River region from 1995 to 2014 is empirically analyzed by using the EKC model theory. The results show that there is a turning point in the Kuznets curve of carbon emission in TumenRiverregion. And it has the characteristic sof "invertedU" curve, which conforms to the environmental Kuznets curve hypothesis. Meanwhile it is stil lintherisingstage. According to the analysis results, it is proposed to set up the concept of low carbon logistics, optimize the energy structure, strengthen the information construction, and establish low-carbon development mechanism and so on.

Basic Study on in-Process Monitoring of B.U.E. Using Force Sensor (Force Sensor를 이용한 구성인선의 In-Process 감시에 관한 기초 연구)

  • Won, Jong-Sik;Oh, Min-Seok;Jung, Youn-Gyo
    • Journal of the Korean Society for Precision Engineering
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    • v.14 no.7
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    • pp.67-72
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    • 1997
  • Recently, in order to achieve high flexibility of manufacture, monitoring and control strategies of a new type have been developed. Since the generation of built-up edge on the cutting tool damages the surface finish of the workpiece, the monitoring system of built-up edge is an important process monitoring. In this study, the analyzing methods of cutting force signal to detect the built-up edge during cutting process are described. The cutting force signals are analyzed using the mean, standard deviation and mean to standard deviation of this cutting signals. We can obtain the guide to detect the built-up edge during turning process.

  • PDF