• Title/Summary/Keyword: Technological Progress

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Imaging of Dopamine Release Induced by Pharmacologic and Nonpharmacologic Stimulations (약물 및 비약물 자극에 의한 도파민 유리 영상)

  • Cho, Sang-Soo;Kim, Sang-Eun
    • Nuclear Medicine and Molecular Imaging
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    • v.41 no.2
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    • pp.158-165
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    • 2007
  • Technological advances in molecular imaging made it possible to image synaptic neurotransmitter concentration in living human brain. The dopaminergic system has been most intensively studied because of its importance in neurological as well as psychiatric disorders. This paper provides a brief overview of recent progress in imaging studies of dopamine release induced by pharmacologic and nonpharmacologic stimulations.

The impact of the Formation Factor of Loyalty Of Mongolian Consumers Attitudes toward M-Commerce

  • Altanzul, Ganbaatar;Lee, Dong-Man
    • 한국정보컨버전스학회:학술대회논문집
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    • 2008.06a
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    • pp.135-140
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    • 2008
  • Recently in the Mongolian wireless marketplace, many E-commerce companies have been making considerable investments in the technological development of M-commerce, taking competitive advantage of new business possibilities offered by Internet-based wireless technologies. In the Mongolian wireless marketplace, this new mobile environment opens the door for new and exciting market opportunities in mobile services and applications. In the near future, these companies will be looking toward M-commerce services as a supplemental source of revenue in the mobile marketplace. This paper examines the roles of M-commerce in the consumers' in order to promote the consumers' loyalty in the booming M-commerce. This paper contains theory that focuses on the basic concepts of the M-commerce environment, its wireless network technologies, and its applications infrastructure. Upon searching for references to assist us in establishing a market hypothesis, we discovered that few comprehensive studies on consumer perspective and behavior related to M-commerce services actually exist in the literature. In the area of M-commerce, many companies neglect the consumer perspective, concentrating only on technological factors only when formulating their market strategies. And, due to technological blindness, many companies were not able to succeed in end-user E-commerce services. Given that fact, this paper formulates a consumer-centric research model. In order to prove the research model, we chose the survey method which allows for the collection of large amounts of data from a sizeable population in a highly economical way. Through the survey, this paper defines consumer's attitudes towards M-commerce services by identifying potential Business-to-Commerce(B2C) applications and its primary target groups in terms of gender and age, and by investigating whether consumers recognize the value proposition of M-commerce applications and services. As shown in the data analysis and results, this research concludes that M-commerce development in Mongolia is still at its infancy, and that the implementation of M-commerce depends not only on technological progress, but also on consumer attitudes and their willingness to adopt M-commerce services. As well, other complex cross-cultural factors-socially, economically, culturally, et cetera-enter strongly into the equation.

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An Efficiency Analysis of Science and Technology Budget in Provinces and Autonomous Regions in China (중국 성시 및 자치구 과학기술 예산활용 효율성 분석에 관한 연구)

  • Chao, Na;Jeon, Jun-Woo;Kim, Hyung-Ho
    • Journal of Digital Convergence
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    • v.17 no.12
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    • pp.129-137
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    • 2019
  • The purpose of this study is to analyze the efficiency of budget utilization of science and technology by the Chinese autonomous province and to present the direction of improvement. Data were obtained from the 2013-2017 statistical yearbook of higher education published by the Ministry of Education of China, and efficiency was analyzed using the malmquist analysis method. The analysis found that the low technological progress caused changes in the productivity MPI index, and that cities affected by technological efficiency needed to improve internal factors such as internal coordination and restructuring of universities in the region to increase efficiency. And it was found that areas affected by technological change needed proper response to external factors such as government policy, economic environment, social environment or technological development. This study is meaningful in that it presented reference data in enhancing efficiency of budget utilization of science and technology by autonomy of China, and it is necessary to establish strategies and study essential factors to increase efficiency of inefficient areas in the future.

Exploration of emerging technologies based on patent analysis in complex product systems for catch-up: the case of gas turbine (복합제품시스템 추격을 위한 특허 기반 부상기술 탐색: 가스터빈 사례를 중심으로)

  • Kwak, Kiho;Park, Joohyoung
    • Knowledge Management Research
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    • v.17 no.2
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    • pp.27-50
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    • 2016
  • Korean manufacturing industry have recently faced the catch-up of China in the mass commodity product, such as automotive, display, and smart phone in terms of market as well as technology. Accordingly, discussion on the importance of achieving catch-up in complex product systems (CoPS) has been increasing as a new innovation engine for the industry. In order to achieve successful catch-up of CoPS, we explored emerging technologies of CoPS, which are featured by the characteristics of radical novelty, relatively fast growth and self-sustaining, through the study of emerging technologies of gas turbine for power generation. We found that emerging technologies of the gas turbine are technologies for combustion nozzle and composition of electrical machine for increasing power efficiency, washing technology for particulate matter, cast and material processing technology for enhancing durability from fatigue, cooling technologies from extremely high temperature, interconnection operation technology between renewable energy and the gas turbine for flexibility in power generation, and big data technology for remote monitoring and diagnosis of the gas turbine. We also found that those emerging technologies resulted in technological progress of the gas turbine by converging with other conventional technologies in the gas turbine. It indicates that emerging technologies in CoPS can be appeared on various technological knowledge fields and have complementary relationship with conventional technologies for technology progress of CoPS. It also implies that latecomers need to pursue integrated learning that includes emerging technologies as well as conventional technologies rather than independent learning related to emerging technologies for successful catch-up of CoPS. Our findings provide an important initial theoretical ground for investigating the emerging technologies and their characteristics in CoPS as well as recognizing knowledge management strategy for successful catch-up of latecomers. Our findings also contribute to the policy development of the CoPS from the perspective of innovation strategy and knowledge management.

Photovoltaic Properties of Organic Solar Cell using Zinc phthalocyanine(ZnPc)/$C_{60}$ devices (Zinc phthalocyanine(ZnPc)/$C_(60)$ 소자를 이용한 유기 광소자의 광기전특성)

  • Lee, Ho-Sik;Hur, Sung-Woo;Lee, Won-Jae;Shin, Hoon-Kyu;Kim, Tae-Wan;Kwon, Young-Soo
    • Proceedings of the KIEE Conference
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    • 2004.07c
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    • pp.1712-1714
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    • 2004
  • During the last 20 years organic semiconductors have attracted considerable attention due to their interesting physical properties followed by various technological applications in the area of electronics and opto-electronics. It has been a long time since organic solar cells were expected as a low-cost energy-conversion device. Although practical use of them has not been achieved, technological progress continues. Morphology of the materials, organic/inorganic interface, metal cathodes, molecular packing and structural properties of the donor and acceptor layers are essential for photovoltaic response. We have fabricated solar cell devices based on zinc-phthalocyanine(ZnPc) as donor(D) and fullerine($C_{60}$) as electron acceptor(A) with doped charge transport layers, $Alq_3$ as an electron transport or injection layer. We observed the photovoltaic characteristics of the solar cell devices using the Xe lamp as a light source.

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The concept of hybride phenomean is to selected to describe the fashiontrend of ‘98-00’. (‘98-00’ Fashion Trend에 나타난 Hybrid 현상에 관한 고찰)

  • 정미혜
    • Journal of the Korea Fashion and Costume Design Association
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    • v.1 no.1
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    • pp.5-16
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    • 1999
  • The purpose of this study is to identify the distinctive characterics HYBRID, strictly defined, an offspring that is a cross between different species, genera, or, in rare cases, families, More loosely defined, a hybrid can also be a cross between parents of different subspecies or varieties of a species. Hybrid varieties of plants and animals are of economic value because the hybrid is nearly always more vigorous, larger, and more fertile than either of its parents. Plant and animal hybrids may arise spontaneously in nature or may be produced intentionally by man. Forward-looking fashion explores progress. Adjusting to a world that has integrated genetics and its mutations, the new silhouette seems without references, as if born from a spontaneous generation. A slightly bizarre composite, asymmetrical, discreetly technological aesthetic, it draws on the latest technological details. the pursuit of performance and ergonomics, yet also of comfort and amusement that takes into account the body and its articulations, generates strange garments. Inspired by medical protheses. Focos on fabric touches, their weightiness and surface effects obtained with silicone, rubber or wax. in a range that highlights yellows but can also contrast with colder, slightly surgical hues, the hybrid woman doesn't necessarily want to stand out.

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Image of Artificial Intelligence of Elementary Students by using Semantic Differential Scale (의미분별법을 이용한 초등학생의 인공지능에 대한 이미지)

  • Ryu, Miyoung;Han, Seonkwan
    • Journal of The Korean Association of Information Education
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    • v.21 no.5
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    • pp.527-535
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    • 2017
  • In this study, we analyzed the image of artificial intelligence recognized by elementary students using semantic differential scale. First, we extracted 23 pairs of image adjectives related to perception of artificial intelligence. Adjectives were classified into three types related to recognition, emotion and ability and 827 elementary students were examined. Image factors were classified into four factors: convenience, technological progress, human-friendliness, and concern. As a result, they showed a clear image that artificial intelligence is clever, new, and complex but exciting. In comparison with variables, female students, coding experience and older students thought that artificial intelligence was more human-friendly and technological progressive.

An Efficiency Analysis of Fishery Output in Coastal Areas of China

  • Li, Chun-Jie;Jeon, Jun-Woo;Kim, Hyung-Ho
    • International journal of advanced smart convergence
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    • v.9 no.3
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    • pp.127-136
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    • 2020
  • The purpose of this study is to measure the productivity of fisheries in China's coastal areas (including inland and marine fisheries) and to analyze the factors influencing the development of fishery economy in each province by comparing regional differences. The input indicators used for efficiency analysis are fish farms, ships and staff numbers, and the output indicators are fish catch and net income. In this paper, we used six years of data from 2013-2018 and DEA-Malmquist index was used to analyze the efficiency of coastal fisheries production in 11 areas of China's coast. According to the analysis from 2013 to 2018, the fishery output efficiency in China's coastal areas has improved to some extent, but most provinces and regions are characterized by technological progress, and the technological efficiency still needs to be further improved. The conclusion can provide reference for the development planning and policy measures of regional fishery industry in China's coastal areas.

A Study on the Idea of the Technology in Jong Soung Kimm's Architecture (김종성 건축에서의 기술 개념에 관한 연구)

  • Jung, In-Ha
    • Journal of architectural history
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    • v.10 no.2 s.26
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    • pp.85-99
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    • 2001
  • Jong Soung Kim is a rare architect in Korea who has consistently done research on the idea of the architectural technology for a long time. Therefore in order to understand Kimm's architecture, it is essential to examine his idea on the technology, which reveals the complicated relationship between divers architectural discourses. It is concerned with tectonics which was the most important theoretical movements in German architecture from the nineteenth century, the Mies van der Rohe's idea of the technology which provided the most powerful basis of modern architecture, Miesians' technological discourses which was at the height of prosperity in seventies in America, and High-tech architecture in eighties. Kimm's idea on the technology is defined as follow; 1) Kimm believe that although architecture begins in construction and materiality, it must culminate in artistic form. It's legacy of German tectonics. 2) He accepts Mies' three ideas on the technology. 'Architecture is the spatially apprehended will of the epoch.' 'Technology reveals the true nature of the will of the epoch.' 'We can attain a new beauty with the help of a new technology' 3) He takes a double attitude toward the idea on the technology of Mies followers. He accepts their architectural achievement according to technological progress, but criticize their technology-oriented attitude, deprived of spiritual enrichment. 4) Kimm's idea on the technology is distinguished from that of High-tech architect. The principal criteria exist in their different attitude toward the anonymity and the ethics of technology.

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A Study on Computer Graphics Color System (컴퓨터 그래픽스의 색상체계에 관한 연구)

  • 홍석일
    • Archives of design research
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    • v.11 no.1
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    • pp.229-236
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    • 1998
  • It is the most important technological progress for the computer graphics when computer has incorporated the color system. However, color system used in computer is totally different from traditional color system like printing ink or painting color because it is exist only in the form of wavelengths of light on the computer screen. Therefore, some compatible problems are still remains with traditional design process or color matching in photography. It is important to produce precise representation and management of color in the current design system which is controlled and managed by computer to merge design process. In this study, I have discussed the merits of color, technological characteristics, designer's approach to color and traditional color system. Also I analyzed the aesthetic characteristics of computer color system which are found in computer graphics technology and compared them to traditional color system to try to find some opportunity and possibility for new method of development.

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