• 제목/요약/키워드: Scientific technology

검색결과 2,954건 처리시간 0.029초

A Proposal of Inclusive Framework of the Nature of Science (NOS) Based on the 4 Themes of Scientific Literacy for K-12 School Science

  • Lee, Young Hee
    • 한국과학교육학회지
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    • 제33권3호
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    • pp.553-568
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    • 2013
  • Although many researchers and science educators agree that understanding of the nature of science is essential in order for students to be a scientific literate person, it is not easy to compromise exactly what kind of understanding of the nature of science is required to achieve this goal (Smith & Scharmann, 1999). This study discusses a theoretical background about the nature of science (NOS) including some consensus views of the NOS that several important U.S. educational reform documents and science researchers have presented over the past several decades. Finally, this study proposes an inclusive framework of the nature of science based on the four categories of scientific literacy, which are (1) science as a body of knowledge, (2) science as a way of investigating, (3) science as a way of thinking, and (4) the interaction of science, technology, and society. Each category of the framework includes several statements about the nature of science to describe each theme of the NOS. This framework is comprehensive and inclusive because it is suggested by examining several major U.S. national-level documents and in the publications of science education researchers presented about the nature of science. Significantly, many of the key ideas were added into category (4) and category (3), which indicates that the current literature stresses the relationship among science, technology, and society as well as the work of scientists.

특허분석을 통한 과학기술자의 과학논문 인용행태에 관한 연구 (A Study on Citation Behavior of Korean Scientists Using Patent Analysis)

  • 노경란;한상완
    • 정보관리학회지
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    • 제23권3호
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    • pp.223-239
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    • 2006
  • 과학이 기술발전을 이끄는 주요 추진력이며 기술혁신이 궁극적으로 경제발전에 기여한다는 것이 밝혀짐에 따라 선진국은 과학과 기술간 상호작용을 중요하게 다루고 있다. 그러나 한국의 기술발전을 이끈 과학적 기반에 관한 연구가 거의 이루어지지 않았으며 한국의 기술과 강력한 연계를 맺고 있는 학문분야에 대한 연구도 미약한 실정이다. 따라서 이 연구는 특허에 인용된 과학논문을 이용하여 과학기술자의 인용행태를 추적하고, 인용행태 이면에 놓인 과학과 기술간 상호작용을 측정하고자 하였다. 과학논문이 특허의 혁신가치에 어떠한 영향을 미치고 있는지를 살펴봄으로써 기술개발에 있어 과학논문의 중요도를 밝히고자 하였다.

Real-time Assay of Toxic Lead in In Vivo Living Plant Tissue

  • Ly, SuwYoung;Kim, Nack Joo;Youn, Minsang;Kim, Yongwook;Sung, Yeolmin;Kim, Dohoon;Chung, Tackhyun
    • Toxicological Research
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    • 제29권4호
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    • pp.293-298
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    • 2013
  • A method of detecting lead was developed using square wave anodic stripping voltammetry (SWASV) with DNA-carbon nanotube paste electrode (CNTPE). The results indicated a sensitive oxidation peak current of lead on the DNA-CNTPE. The curves were obtained within a concentration range of 50 $ngL^{-1}-20mgL^{-1}$ with preconcentration time of 100, 200, and 400 sec at the concentration of $mgL^{-1}$, ${\mu}gL^{-1}$, and $ngL^{-1}$, respectively. The observed relative standard deviation was 0.101% (n = 12) in the lead concentration of 30.0 ${\mu}gL^{-1}$ under optimum conditions. The low detection limit (S/N) was pegged at 8 $ngL^{-1}$ ($2.6{\times}10^{-8}M$). Results showed that the developed method can be used in real-time assay in vivo without requiring any pretreatment and pharmaceutical samples, and food samples, as well as other materials requiring water source contamination analyses.

구소련(舊蘇聯) 과학기술(科學技術) 정보의 수집 및 활용전략(活用戰略) (The Strategies of the Acquisition and Use of Scientific and Technological Information of the Former USSR)

  • 곽동철
    • 정보관리연구
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    • 제24권2호
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    • pp.1-18
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    • 1993
  • 우리나라가 구소련(舊蘇聯) 과학기술(科學技術) 정보에 대해 직접적으로 수집하여 활용하고자 하는 사업(事業)을 추진한지는 불과 2년 정도 지났다. 구소련(舊蘇聯)과의 과학기술 협력을 진작시키기 위해 기술정보수집활동은 필수불가결하다. 그러나 상대 국가의 정치(政治) 경제적( 經濟的) 혼란, 기술정보에 대한 철저한 비밀정책(秘密政策), 광대한 영토에 산재한 6,000여개 연구기관(硏究機關) 등을 고려하면, 어느 한 개인(個人)이나 기관이 구소련(舊蘇聯) 과학기술 정보의 수집활동(蒐集活動)을 총체적으로 수행한다는 것은 불가능한 일이다. 그러므로 국가 차원에서 적극적인 전문인력(專門人力)과 예산의 지원이 있어야 하며, 아울러 관련(關聯) 기관간 상호(相互) 협력(協力) 체제를 강구해야 한다.

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A Multi-Application Controller for SAGE-enabled Tiled Display Wall in Wide-area Distributed Computing Environments

  • Fujiwara, Yuki;Date, Susumu;Ichikawa, Kohei;Takemura, Haruo
    • Journal of Information Processing Systems
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    • 제7권4호
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    • pp.581-594
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    • 2011
  • Due to the recent advancement of networking and high-performance computing technologies, scientists can easily access large-scale data captured by scientific measurement devices through a network, and use huge computational power harnessed on the Internet for their analyses of scientific data. However, visualization technology, which plays a role of great importance for scientists to intuitively understand the analysis results of such scientific data, is not fully utilized so that it can seamlessly benefit from recent high-performance and networking technologies. One of such visualization technologies is SAGE (Scalable Adaptive Graphics Environment), which allows people to build an arbitrarily sized tiled display wall and is expected to be applied to scientific research. In this paper, we present a multi-application controller for SAGE, which we have developed, in the hope that it will help scientists efficiently perform scientific research requiring high-performance computing and visualization. The evaluation in this paper indicates that the efficiency of completing a comparison task among multiple data is increased by our system.

인터넷 웹에서의 STN 검색 (Information Searching on STN Web (STN Easy & ChemPort))

  • 유선희
    • 정보관리연구
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    • 제30권1호
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    • pp.11-28
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    • 1999
  • STN(The Scientific & Technical Information Network)은 과학 기술, 산업 및 특허 분야의 200여종의 데이터베이스를 검색할 수 있는 상용 온라인 데이터뱅크이다. 이러한 STN의 데이터 베이스중 이용도가 높은 59개의 데이터베이스를 인터넷의 웹상에서 편리하게 검색할 수 있고, 서지 사항이나 초록뿐만 아니라, 특허의 도면이나 비즈니스 정보의 전문 기사 출력 및 화학물질의 3차원 표시도 가능한 STN Easy(http://stneasy.cas.org)의 특징과 기능에 대해 알아보았다. 또한 이렇게 검색한 결과를 ACS(American Chemical Society)를 비롯하여 총 9개 출판사의 웹사이트로 링크하여 전자화된 원문을 얻을 수 있는 ChemPort(http://www.chemfort.org)를 소개하였다.

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Who Speaks for Innovations?: An Analysis of the Media Exposure of R&D Outputs

  • Jeong, Seongkyoon;Cho, Sukmin
    • STI Policy Review
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    • 제8권1호
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    • pp.41-61
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    • 2017
  • The literature in research policy extensively addresses the interaction between public R&D and the society. Scholars have paid particular attention to the way science and technology are diffused into the society and industry with the aim of substantiating their potential value. In practice, having recognized the importance of the said interaction, R&D entities and governmental organizations promote scientific and technological innovations that result from their R&D activities. Yet, the nature of news media exposure as their primary channel to promote R&D outcomes has been remarkably understudied. Using the results of R&D projects supported by the National Research Foundation of Korea (NRF), this study examines R&D entities' strategic use of the news media to publicize their outcomes. The empirical results suggest that the scale of an R&D project positively affects the counts of media exposure of its R&D outcomes, whereas the level of technology readiness and the technology life-cycle do not have significant influence. In addition, the results suggest that, compared to senior researchers, young researchers are more likely to publicize their R&D outcomes and that R&D outcomes from highly ranked universities are more likely to be publicized than those from lower-ranking universities despite our control for R&D outcomes. The aforementioned results suggest that in promoting the diffusion of science and technology, especially to the public, policymakers should be concerned about incentives for those who provide techno-scientific information, such as researchers. The social need for the diffusion of techno-scientific information into the public (e.g., technology transfer and diffusion) is an insignificant factor in determining the media exposure of such information, whereas personal benefits and sensitive issues related to a researcher's own R&D activities (e.g., justification for R&D activities) drive researchers to publicize their R&D outcomes. This paper suggests that policymakers, especially those concerned with better diffusion of scientific and technological innovations need to design a proper incentive system to maximize the societal benefits of media exposure.

Biological Assay of Mercury and Cadmium Ions Using DNA Immobilized on a Nanotube Paste Electrodes

  • Ly, Suw-Young;Lee, Chang-Hyun;Jung, Hong-Rak;Park, Kwang-Ho;Park, Yong-Keun;Suk, Hong-Woo
    • 한국응용과학기술학회지
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    • 제29권2호
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    • pp.302-310
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    • 2012
  • Bio assay of mercury and cadmium ions were searched using voltammetric analysis using DNA doped carbon nanotube paste electrodes (DCP). The square-wave stripping voltammetryic optimized results indicated working ranges of 1-10.0 $ngL^{-1}$ and 20-100 $ugL^{-1}$, Hg(II) Cd(II) within an accumulation time of 120 seconds, in 0.1-M phosphate buffer solutions of pH 6.3. The relative standard deviations of 5 $ngL^{-1}$ Hg(II) and Cd(II) that observed were 0.14 and 0.22% (n=12), respectively, using optimum conditions. The low detection limit (S/N) was pegged at 0.1 $ngL^{-1}$ ($4.9{\times}10^{-11}M$) Hg(II) and 0.2 $ngL^{-1}$ ($1.77{\times}10^{-10}M$) Cd(II). The developed methods can be applied to assays in biological fish kidneys and water samples.

정서의 심리적 모델: 개별 정서 모델, 평가 모델, 차원 모델을 중심으로 (Review on Discrete, Appraisal, and Dimensional Models of Emotion)

  • 손진훈
    • 대한인간공학회지
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    • 제30권1호
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    • pp.179-186
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    • 2011
  • Objective: This study is to review three representative psychological perspectives that explain scientific construct of emotion, that are the discrete emotion model, appraisal model, and dimensional model. Background: To develop emotion sensitive interface is the fusion area of emotion and scientific technology, it is necessary to have a balanced mixture of both the scientific theory of emotion and practical engineering technology. Extensional theories of the emotional structure can provide engineers with relevant knowledge in functional application of the systems. Method: To achieve this purpose, firstly, literature review on the basic emotion model and the circuit model of discrete emotion model as well as representative theories was done. Secondly, review on the classical and modern theories of the appraisal model emphasizing cognitive appraisal in emotion provoking events was conducted. Lastly, a review on dimensional theories describing emotion by dimensions and representative theories was conducted. Results: The paper compared the three models based on the prime points of the each model. In addition, this paper also made a comment on a need for a comprehensive model an alternative to each model, which is componential model by Scherer(2001) describing numerous emotional aspects. Conclusion: However, this review suggests a need for an evolved comprehensive model taking consideration of social context effect and discrete neural circuit while pinpointing the limitation of componential model. Application: Insight obtained by extensive scientific research in human emotion can be valuable in development of emotion sensitive interface and emotion recognition technology.

Knowledge Distribution in the Science and Technology Space (Case of the Eurasian Economic Union)

  • Farida ALZHANOVA;Gulnaz ALIBEKOVA;Farkhat DNISHEV;Nazyken BAGAYEVA
    • 유통과학연구
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    • 제21권9호
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    • pp.81-91
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    • 2023
  • Purpose: The article aims to assess the possibilities and contribution of countries to the creation and distribution of knowledge circulating in the scientific and technological space of the EAEU. Research design, data, and methodology: To understand the conditions and possibilities for the distribution of knowledge, the methodology of the quality of economic space used. The space is considered through density, placement, connectedness, and asymmetry. Used bibliometric analysis, balance of payments analysis, and integration indicators. Results: The study showed that low barriers, including language, created visible advantages in the mutual distribution of knowledge. However, the geo-technological space of the EAEU is polarised and has differences in the density and distribution of scientific resources. Asymmetries are shown in the distance between countries in multidirectional trends. Cooperation between countries has a different level of interaction. Conclusions: The internal resources of the geo-technological space of the EAEU are limited, and most of the needs are covered by external sources. Some mechanisms of the scientific policy of countries in scientific careers act as «demotivates» for distributing knowledge within the EAEU. Countries need to improve the quality of services and trade data to better understand technology distribution processes through bilateral channels.