• Proceedings of the Korean Society of Soil and Groundwater Environment Conference
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• 2004.04a
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• pp.158-161
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• 2004

Chlorinated aliphatic hydrocarbons (CAHs) especially perchlorethylene (PCE) and trichlooethylene (TCE) are common groundwater contaminants in Korea. PCE and TCE were often reductively dechiorinated in an aquifer. Several isolates dechlorinate PCE to TCE or cis-1,2 dichloroethylene (c-DCE) were obtained from contaminated and pristine sites in USA and Europe. However in Korea, no information on indigenous microorganism being involved in reductive dechlorination of PCE and TCE is available and different dechlorinating microorganisms might be reside in Korea, since geochemical, and hydrogeological conditions are different, compared to those in the other sites. So we evaluate that: 1) if reductive dechlorinating microorganisms are present in PCE-contaminated site in Korea, 2) if so, what kinds of microorganisms are present; 3) to what extent PCE is reductively dechlorinated. As a results in some PCE-contaminated aquifers in Korea other dechlorinating microorganisms but Dehalococcoides ethenogenes may be responsible for PCE dechlorination. More detailed molecular works are required to evaluate that different dechlorinating microorganisms would reside in Korea.

• School Mathematics
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• v.4 no.1
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• pp.63-78
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• 2002

This research's purpose is to investigate follows. 1. How do middle school teachers recognize the mathematical communication globally? 2. If we classify the modes of mathematical communication as written, spoken, graphic and active ones, how much do teachers use them and how do the students' communication ability come as teachers judge? 3. What are teachers' thinking, the present condition and the future indication for the application of mathematical communication with computer? 4. Do teachers evaluate their students' communication ability? If then, what is the assessment rubric of student's communication ability? The results are analyzed by frequency analysis including percentile and free writings are arranged by similar responses. The result of this study is that global recognition for mathematical communication, current state for students' concrete performance of mathematical communication, and assessment of mathematical communication & proposals are very lacking.

• East Asian mathematical journal
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• v.26 no.4
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• pp.463-485
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• 2010

The purpose of this paper is to investigate if the instruction using GSP to 4th graders for them to explore 'rectangles and making them' have an influence of understanding and retention of the knowledge, generation of the knowledge which is not dealt with during experimental treatment, and if they can reason based on what they have learned about it and about what has not been learned. According to the result from the data gained, learners in the experiment group show that they can retain, generate, reason better than ones in the comparison group.

• Spatial Information Research
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• v.10 no.4
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• pp.515-532
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• 2002

Planning Support System (PSS), an alternative framework of computer-aided planning system combining geographic information system (GIS), urban models, and visualization tools, has been actively researched and applied in many developed countries. This paper introduces a PSS-based land use change model, What if\ulcorner PSS, by applying it to Chongju City, Korea. This model application study used the spatial database, Restricted Development Zone (RDZ), and other hypothetical land supply- and demand-related policies of Chongju City. The collaborative PSS model supported land use planning process by helping users to speedily and easily create and test policy-oriented scenarios. The study found that the fully operational PSS model was readily applicable and useful to Korean local land use planning. The paper discusses the conceptual model framework, data requirement, application process, model output, and practical usage. This study would be considered as a prototypical approach of PSS-based land use plan making for Korean cities.

• Journal of the military operations research society of Korea
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• v.16 no.1
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• pp.35-55
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• 1990

This research paper examines the Navy of the Republic of Korea (ROK) and the Japanese Maritime Self-Defense Force (JMSDF) to determine if the two navies can cooperate to enhance the security of Northeast Asia. This paper reviews the advantages and limitations of naval cooperation between the ROK and Japan, describes the threats to both, and evaluates domestic, regional and international factors to answer the questions : Is naval cooperation possible? How would might it take? what secunity burdens might the ROK Nayy and the JMSDF be reasonably expected to assume from the United States? Paper conclusions are based on the studies within the framework of today's realities. Consequently, the conclusions may seem undramatic. However, they are based on not what could happen if all parties agreed to accept radical change, but rather upon the assumption that all parties will want to change the least for the greatest benefit.

• SUVANNABHUMI
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• v.12 no.2
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• pp.225-244
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• 2020

Area Studies, by definition, conjure ideas of emplaced knowledge; in-depth interdisciplinary understanding of language, history, culture and politics of a nation or region. Where detractors might see this approach as overly empirical, therefore precluding theoretical sophistication, others argue that "places" are either artificially constructed, or that processes of globalisation have obliterated the cultural zone. But what if we turn an ethnographic eye to those very processes and technologies themselves? Can Area Studies take to the air, and if so, what are the attendant challenges and benefits? Based on insights from ethnography amongst airline customer service workers, ground and cabin crews in Thailand and Myanmar, this research examines the airline cabin as a field for ethnographic study, and as an emplaced site for political and cultural processes. With participant observation-based knowledge of Southeast Asian cabin crews, this paper examines the 1990 hijack of Thai Airways TG 305 from an emplaced cultural perspective.

• International Journal of Computer Science & Network Security
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• v.24 no.8
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• pp.153-158
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• 2024

This paper is an extended paper showing the role of Decision Support Systems (DSS) in other fields of Marketing Management (M.Mgnt). DSS facilitates in decision making many M.Mgnt concepts and Customer Relationship Management (CRM) is one of them and it depends on the firm's tasks for developing and retaining customers while achieving their satisfaction and enhancing the sense of belongingness for their products and services. Profit maximization, the process of customer value, and building strategic values for the firm are the three empirical benefits of CRM that are achieved through analytical, operational, and direction (AOD) capabilities respectively. This research focuses on the application of DSS models of what-if analysis (WIA) for CRM at (AOD) and also shows the dependence on the Information Success model (ISM). Hypothetical data are analyzed for (AOD) by three types of (WIA) to attain CRM and profit maximization and this analytical method can be used by any customer-oriented firm as a general model.

• International Journal of Costume and Fashion
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• v.4
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• pp.81-99
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• 2004

If we are to analyze certain chromatic phenomena, we must first know what “color” is； we must identify its essential characteristics in an effort to achieve a more rational comprehension of visual phenomena in general. What is difficult for most observers to grasp is that seeing colors is no different than seeing shapes. Indeed, all aspects of the objects in the world surrounding us-shape, size, distance, movement, as well as color--are seen via our perceptual system. (omitted)

• Journal of the military operations research society of Korea
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• v.3 no.2
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• pp.91-101
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• 1977

The recent issue on the withdrawal of U.S. Forces from Korea Suggests an Urgency of Self Defense of Korea. The expected huge defense budget and her armed forces create a need for an operational analysis. It is shown through a statistical analysis what some of the opportunity costs of defense spending have been. Some evidences about what some of the economy sacrifice if defense spending rises have been analyzed to provide executive departments with a quantitative basis for decisions. The Korea-U.S. alliance is discussed in view of the developmental effects of U.S. aids and deterrent effects of U.S.F.K.

• 한국HCI학회:학술대회논문집
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• 2007.02b
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• pp.33-39
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• 2007

Designing emotion and product experience firstly require companies and individuals involved in NPD (New Product Development) to understand what user really want to receive from owning and using their product. Admitting this necessarily poses the following questions: Can a designer indeed plan for a particular emotion or experience? If yes, what factors must be devoted to designing the user's experience? How can the user's feelings and moods be measured when they use the product? The answer can be found in ethnographical design research.