• Title/Summary/Keyword: Amalgamation

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Mercury Concentration in Urban and Rural Atmospheres of Korea

  • Sohn, Dong-Hun;Shin, Jung-Eun;Jung, Sung-Yun;Jung, Won-Tae
    • Journal of Korean Society for Atmospheric Environment
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    • v.11 no.E
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    • pp.55-62
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    • 1995
  • The distribution of airborne mercury was investigated from several districts of Seoul, five other major cities and two rural areas during the period April, 1994 to March, 1995. The method used in this study involves absorption of gaseous mercury on CHromosorb$^R$ A coated with gold and detection by cold vapor atomic absorption spectroscopy. The atmospheric mercury concentrations in Seoul ranged from N.D. to 120.17 ng m$^3$ (mean 27.01 $\pm 9.42 ng m^{-3}, N=139$), while those in rural areas ranged from 1.72 to 8.24 ng $m^{-3} (mean 4.57 \pm 3.07 ng m^{-3}, N=5$). The spatial distribution characteristics of mercury distribution in urban air were examined by comparing mercury levels as a function of the distance from the urban center. Temporal distribution trends of airborne mercury were also studied using the monthly mean mercury data of various districts in Seoul. The atmospheric mercury concentration around Mokdong wastes incinerator in Seoul were also investigated.

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A Study on the Context of Affordance in Smart-phone Interface (스마트폰 인터페이스의 어포던스 맥락에 관한 연구)

  • Kim, Hyung Woo
    • Journal of Korea Multimedia Society
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    • v.18 no.5
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    • pp.663-670
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    • 2015
  • In this study, I have researched the theories about Gibson's real affordance and Norman's perceived affordance which are central fact of affordance, And I have examined the context of affordance in smart-phone interface which was consist of affordance and signifier with viewpoint of amalgamation of Gibson & Norman. The results of this study are as follows; The first, Gibson's real affordance is a physical space in ubiquitous environment that interact through the behavioral space is composed with physical space and electronic space. Norman's perceived affordance is mediated to electronic space and signifier makes a behaviroal space which provide the clue of interaction. The second, signifier can be categorized into visceral, behavioral and reflective signifier based on three brain actions which are visceral, behavior, and reflection. Through the categorization, we can grasp that behavioral and reflective signifies generate visceral signifier. The third, the context of affordance in smart-phone has the structure of circulation. The structure of circulation is as follows: Real affordance makes the perceived affordance, the perceive affordance makes the signifiers and the signifiers make new real affordance. This study could provide the theoretical basis for using signifier in smart-phone interface design.

Cyborg Feminism Expressed in Fashion Design (패션에 표현된 사이보그 페미니즘 시각)

  • Kim, Soon-Ja
    • Journal of the Korean Society of Clothing and Textiles
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    • v.35 no.1
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    • pp.89-103
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    • 2011
  • The recent innovations in technoscience have changed the patterns of everyday lives for women and their politics of identity. Among the various debates on a women's relationship to technoscience, Donna J. Haraway's theory of the cyborg has been one of the most influential, as it provides new modes of conceiving subjectivity as well as new notions of women's shared experiences. For Haraway, the cyborg is an image of a female subject that will lead the future of science and technology as an amalgamation of non-hierarchical differences. This study examines the characteristics and meanings for the distortion, anti-aesthetic body, and clothing in fashion design through the cyborg feminism theory. Characteristics and meanings of the cyborg in fashion designs find their expression through mechanical images, distorted physical transformations, reconstruction of a destructed body, expression of an anatomical and heterogeneous body, and the persona image. Such expressions are not simply an act of distorting and destroying a body image but extending the category of a body, but of going beyond the limit of a real body and create a new body.

Korean Innovation Model: Toward a New Horizon (한국의 기술혁신모형: 새로운 지평을 향하여)

  • Choe Yeong Rak;Lee Dae Hui;Song Yong Il;Jeong Yun Cheol
    • Journal of Technology Innovation
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    • v.13 no.1
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    • pp.247-263
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    • 2005
  • Prior research in R8ED innovation in Korea has been centered around the 'three-stage development model,' which hypothesizes that the Korean innovation process goes from the introduction (of foreign technology) stage, through assimilation stage to the final modification stage. As Korean economy shifts from traditional industry-led development to innovation-centric development, such an approach loses sight of the whole picture. The current study argues that a new framework is required for adequate analysis on newly arising innovative patterns in Korea, emphasizing source technology development and technology leader strategy. For this purpose, we propose the 'Jigsaw Puzzle Model' of technology development, which is then verified by an in-depth analysis on the innovation processes of 3 representative IT products of Korea, DRAM, TH LCD, and CDMA. The model suggests that Korean innovation model is a dynamic, efficient amalgamation of foreign-acquired and dependent technologies, based on internally accumulated technological resources. The model explains better how Korean firms are achieving a rapid catch-up of technological gaps with advanced nations and are able to transfer from the technology follower to the leader position.

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A Study on Body-Machine-Space Organization based on Digital Network and Spatial Fluidity (디지털 네트워크와 공간적 유동성을 바탕으로 한 신체-기계-공간 조직체에 관한 연구)

  • Kim, Jong-Jin
    • Korean Institute of Interior Design Journal
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    • v.16 no.2 s.61
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    • pp.131-138
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    • 2007
  • Relationship between body and space is fundamental in space design. The perception and concept of human body in each age directly affected the space makings of that time. Thoughts on human body are related to various periodical backgrounds such as culture, art, technology and etc. Body-Space relationship has been changed through different epochs and is being changed in the present time too. In contemporary cities, architectural programs has been fragmented and activities of individuals become more articulated. The rigidity of each architectural program has been forced to be more flexible amalgamation of diverse behaviors by dynamic urban time-space formations and patterns. Based on this current situations, new experimental designs that question the existing preconceived relationship between body and space in different views. These design experiments attempt to overcome the solid physical fixation of architectural buildings and to directly relate human body to intelligent devices, technologies, machines as well as spaces. This research focus on the innovative design projects in which body, machine, space are smartly compound as one organization. The purpose of this study is to examine the new Body-Space relationship as well as some relevant case projects in contemporary fashion, furniture, interior design and architecture.

Stabilization and solidification of tailings from a traditional gold mine using Portland cement

  • Rachman, Ranno Marlany;Bahri, Ayi Syaeful;Trihadiningrum, Yulinah
    • Environmental Engineering Research
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    • v.23 no.2
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    • pp.189-194
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    • 2018
  • The traditional gold mining in Kulon Progo district, Special Region of Yogyakarta Province produced tailings containing mercury (Hg) from the gold amalgamation process. Mercury accumulated in tailings has 164.19 mg/kg - 383.21 mg/kg in total concentration. Stabilization/solidification (S/S) is one of the remediation technologies to reduce waste pollution. Portland cement is one of the additive materials in S/S that effective encapsulates heavy metal waste. The aim of this research is to know the optimum composition of tailings mixture with Portland cement in S/S process. This research used variation of tailings composition. Variation of Portland cement composition with tailing are 100:0, 90:10, 80:20, 70:30, 60:40, 50:50, 40:60, 30:70, 20:80 and 10:90. The result of this study found that the optimum composition of Portland cement: tailings was 10:90, with compression test of $257ton/m^2$ and TCLP test was 0.0069 mg/L. The compression test results were in accordance to US EPA Standard quality of $35ton/m^2$. TCLP test results meet the standard of Indonesian Government Regulation No. 101 Year 2014 of 0.05 mg/L.

Network Connecting Structure and Contextual Meanings of Chungbuk Innovation Projects Based on the Amalgamation of Social Network Analysis and System Dynamics Approaches (SNA와 SD 방법론을 활용한 충북 지역혁신사업의 네트워크 연결구조와 함의)

  • Lee, Mi-Ra;Hong, Seong-Ho;Park, Ju-Hye;Lee, Man-Hyung
    • Korean System Dynamics Review
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    • v.10 no.2
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    • pp.103-120
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    • 2009
  • Using various data derived from the regional innovation projects in the IT and BT-sectors within Chungbuk Province, this study tries to observe formation processes of network connecting structure and their spill-over effects. Considering the dynamic nature of key issues, it applies both social network analysis and causal loop methods. After a series of simulation exercises, we find that so-called extroverted regional innovation projects, that is, ones financially supported by the central government, reveal a higher tendency in the centrality, heavily depending on a handful of well reputed organizations. It is quite similar to the reinforcing mechanism, resulting in the rich-get-richer and the poor-get-poorer. Compared with the existing documents, nonetheless, it shows relatively weak in the mechanism strength, implying the fact that regional innovation projects have significantly contributed to ameliorating the unequal distribution of innovation organizations within Chungbuk Province. On the other hand, this study concludes that all the brokerage organizations related to the regional innovation projects have settled in Chungbuk Province. Whereas the Capital Region-based organizations present a higher tendency in the knowledge-network, it seems that the regional innovation projects have significantly contributed to upgrading direct and indirect competitiveness of the local organizations.

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Application of first-order reliability method in seismic loss assessment of structures with Endurance Time analysis

  • Basim, Mohammad Ch.;Estekanchi, Homayoon E.;Mahsuli, Mojtaba
    • Earthquakes and Structures
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    • v.14 no.5
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    • pp.437-447
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    • 2018
  • Computational cost is one of the major obstacles for detailed risk analysis of structures. This paper puts forward a methodology for efficient probabilistic seismic loss assessment of structures using the Endurance Time (ET) analysis and the first-order reliability method (FORM). The ET analysis efficiently yields the structural responses for a continuous range of intensities through a single response-history analysis. Taking advantage of this property of ET, FORM is employed to estimate the annual rate of exceedance for the loss components. The proposed approach is an amalgamation of two analysis approaches, ET and FORM, that significantly lower the computational costs. This makes it possible to evaluate the seismic risk of complex systems. The probability distribution of losses due to the structural and non-structural damage as well as injuries and fatalities of a prototype structure are estimated using the proposed methodology. This methodology is an alternative to the prevalent risk analysis framework of the total probability theorem. Hence, the risk estimates of the proposed approach are compared with those from the total probability theorem as a benchmark. The results indicate a satisfactory agreement between the two methods while a significantly lower computational demand for the proposed approach.

Proposals for the New Maritime Education System in Asian Countries

  • Park, Young-Soo;Inoue, Kinzo;Park, Sung-Yong;Park, Jin-Soo
    • Journal of Navigation and Port Research
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    • v.32 no.9
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    • pp.693-698
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    • 2008
  • The maritime education and training is executed in Asian countries according to The International Convention on Standards of Training, Certification and Watch keeping for Seafarers(STCW). However, mainly basic training and education takes in maritime universities, because this convention is minimum requirements to become junior mariner. So, until now researches have not developed to the stage of discussing how maritime universities of advanced shipping countries should pursue the direction of education in the new eras. Korea and Japan as the leading shipping countries in Asia, need to take initiatives in building a new education system in order to foster the next generation maritime expert. To enhance the professional abilities of maritime technologists in the new era, element design of science and technology relating to maritime issues and a new education system based on an amalgamation of maritime education and scientific and technological education were discussed.

Study of Distribution and Behaviour of Mercury in Ambient Air (環境大氣中 水銀의 分布와 動態에 관한 연구(I))

  • Kim, Min-Young;Kang, Hee-Gon;Park, Sung-Bae
    • Journal of Environmental Health Sciences
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    • v.13 no.2
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    • pp.9-24
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    • 1987
  • This study was conducted to measure the diurnal variation and behaviour of atmospheric mercury in an urban area by gold amalgamation and cold vapour atomic absorption spectrophotometry. The results were as follows: 1. The Hg concentration in ambient air averaged. 21.13ng/m$^3$ for 111 determinations (C.V. 78.5) in urban area and 5.91ng/m$^3$ for 140 determinations (C.V. 21.3) in suburban area. The urban area concentration was significantly higher and fluctuated more than its rural counterpart. 2. Regression analysis of the interaction between mercury concentration and other components showed a significant correlation between mercury concentration and sulfur dioxide also, TSP were found. Mercury concentration was shown to have a similar behaviour, on the whole, with other air pollutants. 3. It demonstrated a positive correlation with sunlight (UV-ray), while it had a negative response to wind speed and humidity. Its concentration showed a tendensy to increase during calm weather specifically. 4. The Hg concentration at the Mt. Dok You inland clean area ranged from 1.33ng/m$^3$ to 2.0ng/m$^3$, with a mean value of 1.63ng/m$^3$.

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