• Title/Summary/Keyword: conceptual field

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Broadening Luxury through Sustainability: Cases from Craft-based Fashion

  • Na, Yuri
    • Fashion, Industry and Education
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    • v.16 no.2
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    • pp.40-51
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    • 2018
  • Sustainability is an important topic within a variety of design areas, including fashion. The 'fast fashion' behavior of consumers is one of the big challenges that sustainable living faces. For the fashion industry, sustainability can be seen as a regulating ethos for higher quality and longer-lasting products, which I argue as embodying an intersection between sustainability and luxury. This study establishes a conceptual model for 'sustainable luxury' that can be implemented as a guide in the fashion design industry and education field. This paper will focus particularly on craft-based fashion within the industry. Through conceptual analysis and case studies, I analyze sustainable luxury through the scope of Soper's (2007) 'alternative hedonism', linking hedonic and selfidentity values as a foundation for the acceptance of and continued drive toward more sustainable luxury products. Unlike other studies which only emphasize the ecological and environmental aspects of sustainability, viz. green/eco design, this study explores sustainability as balanced with its four dimensions: environmental, economic, social, and cultural. Case studies will exemplify this redefined notion of sustainable luxury.

A Study on Innovation Types of Cloud Companies based on a Meta Model (메타모델 기반의 클라우드 기업의 혁신유형 연구)

  • Seo, Kwang-Kyu
    • Journal of the Semiconductor & Display Technology
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    • v.20 no.3
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    • pp.87-92
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    • 2021
  • Cloud is emerging as a key factor in digital transformation. In particular, the industry is paying attention to cloud as a key factor in economic revitalization after COVID-19. In this economic environment, cloud companies can survive only through continuous innovation. In this study, we propose the innovation types of cloud companies using the meta model, which is a high-level conceptual model that generalizes various corporate activities. The proposed cloud company innovation type applies a conceptual model divided into two axes such as the corporate value chain and the business management layer. The contribution of this study is to provide a basis for research in a new academic field called corporate innovation in the cloud domain, and to provide decision-making tools for diagnosing innovation levels or exploring innovation directions for cloud companies.

A Methodology of Open BIM-based Quantity take-off for Schematic Estimation of the Frame Work in Early Design Stage

  • Hansaem Kim;Jungsik Choi;Inhan Kim
    • International conference on construction engineering and project management
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    • 2013.01a
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    • pp.419-425
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    • 2013
  • Recently AEC industry has required construction automation according to becoming large and complex. Thus BIM-based construction project is increased and used in whole fields of AEC industry. Quantity take-off and estimation fields are important factor for decision-making in conceptual and schematic design stages of construction projects. The purpose of this study improves reliability of the estimation through QTO based on Open BIM. Scope and method to apply QTO is to select conceptual design stage through LoD(Level of Detail) in AEC field and to extract information from BIM model through analysis of IFC structure. This study proceeds three step to make BIM model and check the model quality and calculate QTO. The methodology of QTO using IFC is to verify of result in this study and expects utilizing in design stage of construction projects. The result from this study is expected to decrease the risk factor and time of estimation in the project early phase through improving reliability of schematic estimation.

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A Study On the Negative Resistance Characteristics of Polypropylene Films (폴리프로필랜 필름의 부성지향특성에 관한 연구)

  • 김봉협;김용주;류강식;김귀열;이준욱
    • The Transactions of the Korean Institute of Electrical Engineers
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    • v.36 no.6
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    • pp.418-423
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    • 1987
  • In the course of the investigation to the field dependent electrical conducation mechanism in polypropylene, an abnormal conduction phenomena such as voltage controlled negative resistance charateristics has been observed at the junction of two regions charateriged by schottky effect and space charge effect respectively. This abnormal characteristics was observed initially about 110MV / m of the field strength and at 25 , however, the field strength where it observed was decreased and the apparent feature of negative charateristics was less pronounced as increasing ambient temperature. Although the observations of analogous characteristics in other materials such as polyethylene, polymethylemethactylate, and polystyrene have already been reported together with plausible explanation by Toureille and others, however, it was found that the proposed concept by those authors was little use to the present observations for quantitative discussions. Accordingly we tried to adapt another conceptual discussion based on Gibbons's formulation pertaing to the saturatio trend of the field dependent drift velocity of carriers towards the thermal velocity corresponding to the ambient temperature so that the quantitative explanatio on the observed facts has been succeeded to some estent of reasonable acceptance.

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An analysis of the algorithm efficiency of conceptual thinking in the divisibility unit of elementary school (초등학교 가분성(divisibility) 단원에서 개념적 사고의 알고리즘 효율성 분석 연구)

  • Choi, Keunbae
    • The Mathematical Education
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    • v.58 no.2
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    • pp.319-335
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    • 2019
  • In this paper, we examine the effectiveness of calculation according to automation, which is one of Computational Thinking, by coding the conceptual process into Python language, focusing on the concept of divisibility in elementary school textbooks. The educational implications of these considerations are as follows. First, it is possible to make a field of learning that can revise the new mathematical concept through the opportunity to reinterpret the Conceptual Thinking learned in school mathematics from the perspective of Computational Thinking. Second, from the analysis of college students, it can be seen that many students do not have mathematical concepts in terms of efficiency of computation related to the divisibility. This phenomenon is a characteristic of the mathematics curriculum that emphasizes concepts. Therefore, it is necessary to study new mathematical concepts when considering the aspect of utilization. Third, all algorithms related to the concept of divisibility covered in elementary mathematics textbooks can be found to contain the notion of iteration in terms of automation, but little recursive activity can be found. Considering that recursive thinking is frequently used with repetitive thinking in terms of automation (in Computational Thinking), it is necessary to consider low level recursive activities at elementary school. Finally, it is necessary to think about mathematical Conceptual Thinking from the point of view of Computational Thinking, and conversely, to extract mathematical concepts from computer science's Computational Thinking.

Students' Field-dependency and Their Mathematical Performance based on Bloom's Cognitive Levels

  • Alamolhodaei, Hassan;Hedayat Panah, Ahmad;Radmehr, Farzad
    • Research in Mathematical Education
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    • v.15 no.4
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    • pp.373-386
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    • 2011
  • Students approach mathematical problem solving in fundamentally different ways, particularly problems requiring conceptual understanding and complicated strategies. The main objective of this study is to compare students' performance with different thinking styles (Field-dependent vs. Field independent) in mathematical problem solving. A sample of 242 high school males and females (17-18 years old) were tested based on the Witkin's cognitive style (Group Embedded Figure Test) and by a math exam designed in accordance with Bloom's Taxonomy of cognitive level. The results obtained indicated that the effect of field dependency on student's mathematical performance was significant. Moreover, field-independent (FI) students showed more effective performance than field-dependent (FD) ones in math tasks. Male students with FI styles achieved higher results compared to female students with FD cognitive style. Moreover, FI students experienced few difficulties than FD students in Bloom's Cognitive Levels. The implications of these results emphasize that cognitive predictor variables (FI vs. FD) could be challenging and rather distinctive factor for students' achievement.

Conceptual Design of an HTS Motor for Future Electric Aircraft (차세대 전기 항공기를 위한 HTS 모터의 개념 설계)

  • Le, Dinh-Vuong;Nam, Gi-Dong;Lee, Seok-Ju;Park, Minwon
    • Journal of Korea Society of Industrial Information Systems
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    • v.25 no.5
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    • pp.49-57
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    • 2020
  • Conventional electric motors are not suitable for aircraft because of their large size and weight. High-temperature superconducting (HTS) motors have high current density, high magnetic field density, and low loss, so they can significantly reduce the size and weight compared to general electric motors. This paper presents the conceptual design and analysis results of HTS motors for electric propulsion in future aircraft. A 2.5 MW HTS motor with a rotational speed of 7,200 RPM was designed and the specific power (kW/kg) was analyzed. The operating temperature of the field coil of the HTS motor is 20K in consideration of LH2 cooling. The stator winding were connected in a multi-phase configuration and Litz wires were used to minimize eddy current losses. As a result, it was confirmed that the specific power of the motor is about 18.67 kW/kg, which is much higher than that of the conventional electric motor.

The Influence of Time to Draw Students' Mental Models and Students' Field Dependence-Independence in Drawing in Relation to Learning with Multiple Representations (다중 표상 학습에 적용한 그리기에서 학생들의 정신 모형을 그리는 시기 및 장의존성.장독립성에 따른 효과)

  • Kang, Hun-Sik;Kwack, Jin-Ha;Noh, Tae-Hee
    • Journal of The Korean Association For Science Education
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    • v.26 no.2
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    • pp.191-199
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    • 2006
  • This study investigated the influence of time to draw students' mental models and students' field dependence-independence on learning the particulate nature of matter with multiple representations. Seventh graders (N=295) at two middle schools were assigned to control, after-drawing, and before-drawing groups. The students learned "Boyle's Law" and "Charles's Law" for two class periods. Results revealed that the scores of a test on conceptual understanding for the two drawing groups were significantly higher than those for the control group. However, there was no significant interaction between the instruction and students' field dependence-independence in the scores of the test on conceptual understanding. In 'novelty' on a situational interest test, field independent students in the two drawing groups scored significantly higher than those in the control group. The scores for field independent students in each group were similar, while field dependent students in the before-drawing group scored lower than those in the control and after-drawing groups in 'attention demand' on the situational interest test. It was found that most students positively perceived after-drawing or before-drawing, but field independent students in the before-drawing group were more apprehensive about the activities than those in the after-drawing group.

Development of a Family Pattern Appraisal to Guide a Rogerian Nursing Practice (Rogers 이론에 근거한 가족양상 사정지침개발)

  • 이광옥;한영란;김희정
    • Journal of Korean Academy of Nursing
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    • v.25 no.4
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    • pp.751-773
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    • 1995
  • We, clinical nurse specialists practising and guiding student practice in a Community health nursing clinic, wanted to develop a family pattern appraisal consistent with Rogers' conceptual system, the nursing model guiding our practice. We use Rogers' model because it is harmonious with the traditional Korean view of the one human, natural and cosmic world. The purpose of our research was to contribute to science - based nursing practice, not only, one helpful model, but also a model of how to use, in guiding practice, a conceptual system which reflects nurse practitioners' philosophy of nursing, is intellectually satisfying, and enriches meaning in daily nursing life. The research objectives were to review the literature on Rogers' model and analyse it according to Kim's five - level analytical framework, to explore Rogers' definition of family, to review appraisals based on Rogers' model, and to develop a family appraisal which is culturally appropriate for use in our community. This work including the use of the appraisal and its refinement with families in our practice which was done during 1994 and 1995, in Seoul, in the Capital of the Republic of Korea. At the highest level of analysis, Rogers conceptual system emphasizes acausality and multidimentional meaning ; the world view is characterized by process, movement and wholeness. The epistemology Is one of holism and the knowledge base includes all forms of experience, from sensory to mystical, objective, and subjective. At the metaparadigm level, nursing focuses on the unitary human being and the environment. At the level of nursing philosophy, the model identifies human being, nursing, nurse, and illness and health. At the paradigm level the model assumes the irriducibility of the human to parts, noncausality and continual change. Rogers' practice methodology consists of pattern manifestation appraisal and deliberative mutual patterning. Under-standing patterns and patterning of people is the key to helping them achieve their potential. At the theory level, the basic assumptions, key concepts, and homeodynamic principles were identified. Rogers states the family energy field is an undividable, four-dimensional negentropic energy field which is in a larger envircinmental field show-ing such characteristics as cannot be predicted by knowledge of individual family members. Based on the word of Rogers scholars, we chose Rogers' correlates of patterning to understand the family unit as a whole-frequency, rhythms, motion, time perception, sleeping-waking beyond waking, pragmatic -imaginative-visionary to develop the appraisal. We, also used some of Barrel's (1988) criteria including interpersonal network and professional health care access and use, and Cordon's (1982) criteria including self perception - self concept modified to fit the family. Our family Pattern appraisal included 1. Influencirg data, 2. Professional health care access and use, 3. Family self perception-self concept, 4. Family interpersonal network, 5. Sleep-wake-be-yond waking, 6. Pragmatic-imaginary-visionary, 7. Family frequency and rhythm, 8. Family motion, 9. Family time perception. The appraisal was used with four families and modified to eliminate overlap and to make it possible for the family member to express themselves more easily. We plan to gain more experience with the appraisal toward further development of the tool.

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제품-공정 메트릭수 상에서 경쟁전략과 자동화수준에 대한 실증적 연구

  • 이준석
    • Proceedings of the Korea Society for Industrial Systems Conference
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    • 1998.10a
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    • pp.703-711
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    • 1998
  • Due to the highly ocmpetitive and volatile manufacturing environment, the field of operation management has received increasing attention in recent years as having strategic importances. This study is about the korean manufacturing strategy and the factory automain levels on the product-process matrixes. In this paper, after reviewing the researches about manufacturing strategy and product-process matrixes, we proposed a conceptual model for satisfied factory automation levels.