• Title/Summary/Keyword: multi-purpose

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Multi-Phase Optimization of Quill Type Machine Structures(1) (Static Compliance Analysis & Multi-Objective Function Optimization) (퀼형 공작기계구조물의 다단계 최적화(1) (정강성 해석 및 다목적함수 최적화))

  • Lee, Yeong-U;Seong, Hwal-Gyeong
    • Journal of the Korean Society for Precision Engineering
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    • v.18 no.11
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    • pp.155-160
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    • 2001
  • To achieve high precision cutting as well as production capability in the machine tool, it is needed to develop excellent rigidity statically, dynamically and thermally as well. In order to predict the qualitative behavior of a machine tool, simultaneous analysis of mechanics and heat transfer is required. Generally, machine tool designers have solved designing problems based on partial estimation of the specified rigidity. This study clears the inter-relationship between therm, and propose multi-phase optimization of machine tool structure using a genetic algorithm. The multi-phase solution method is consists of a series of mechanical design problem. At this first phase of static design problem, multi-objective optimization for the purpose of minimization of the total weight and static compliance minimization is solved using the Pareto Genetic Algorithm.

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Comparison of Multi-Mode Simulation and SimMan(R) Simulation on Evaluation of Nursing Care for Patients with Dyspnea (호흡곤란환자 간호의 실습교육평가에서 Multi-mode와 SimMan(R) 시뮬레이션 활용 비교)

  • Lee, Suk-Jeong;Roh, Young-Sook;Kim, Ju-Ok;Jang, Kie-In;Ryoo, Eon-Na;Park, Young-Mi
    • The Journal of Korean Academic Society of Nursing Education
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    • v.16 no.1
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    • pp.51-60
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    • 2010
  • Purpose: The purpose of this study was to compare the effects of nursing simulations between multi-mode simulation and $SimMan^{(R)}$ simulation on nursing students' nursing competency, satisfaction, and simulation participation experience in nursing care for patients with dyspnea. Method: Subjects were 107 junior nursing students in R College of Nursing in Seoul from June to November in 2009. Students were allocated to either a Multi-mode simulation group or a $SimMan^{(R)}$ simulation group. The multi-mode simulation consisted of standardized patients combined with Vital Sim, comparing the $SimMan^{(R)}$ group. Result: The Multi-mode simulation group reported higher levels of nursing competency (p=.017) but lower communication skills (p<.001) compared to the $SimMan^{(R)}$ simulation group. There were no meaningful differences in satisfaction of simulation education between the two groups. The $SimMan^{(R)}$ simulation group received a substantial health assessment and the Multi-mode simulation group experienced reality in caring for standardized patients. Conclusion: The findings of this study demonstrated that Multi-mode simulation has similar educational effects like $SimMan^{(R)}$ simulation and suggest that nurse educators should match simulation fidelity with educational goals for effective education.

Recognition of Multi-Cultural Families in Certain Areas (일 지역 다문화 가족에 대한 인식도 조사 연구)

  • Kim, Jong-Sun;Park, Kyung-Soon;Kim, Tae-Yong
    • Journal of Korean Academic Society of Home Health Care Nursing
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    • v.16 no.1
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    • pp.59-66
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    • 2009
  • Purpose & Method: Based on a large amount of research concerning the recognition of local residents in an era of an increasing number of multi-cultural families, this study aimed to provide fundamental data for program development and policies. As well, the data was stratified based on understanding of multi-cultural society, recognition of multi-cultural families, and social and economic adaptability of multi-cultural families. Result: The available literature supports the view that an understanding of a multi-cultural society and recognition of multi-cultural families encourages an emphasis on maintaining ethnicity and respect for diverse cultures. Parental approval for friendships with members of multi-cultural families tends to be encouraged, although there is still resistance to marital ties with such families. The literature indicates that immigrant women participate in economic activities of their adopted locale and adapt to the new societal structure. A positive correlation between recognition and interests in social and economic adaptiveness was apparent. Conclusion: Findings of the study suggest that complement, development, and application of realistic programs and institutional policies are required to understand multi-cultural families and establish a multi-cultural society. Ongoing research will be valuable in resolving outstanding questions and clarifying political alternatives.

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An Analysis of Multi-View Fashion Design Reflected in the Perception of Time and Space (연속적 시·공간관이 반영된 다(多)시점 패션디자인 분석)

  • Kim, Minji;Kan, Hosup
    • Journal of Fashion Business
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    • v.19 no.2
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    • pp.136-148
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    • 2015
  • The purpose of this thesis is to study multi-view fashion design with an analysis of multi-view art's formation and philosophical perspective. The production of unique artwork is dependent on how we see, think and represent what is around us. Multi-view art has great potential as a concept related to the continuity of time and space, it is not limited to space and time but it extends to infinitely, according to the artist's will and imagination. The study of time and space has been used as principles for deriving the formative of multi-view art, and the principles applied for analyzing multi-view fashion design. And the formation of multi-view art is reflected in fashion design. Simultaneity, deconstructivity, continuity and virtuality in terms of multi-view art are support the formation of multi-view fashion design, such as fabrication, expandability, concealment and transparency. As such, it is important to study multi-view fashion design as a creative design method with immense potential for further development.

Effectiveness of a Custom-made Multi Purpose Brachytherapy Phantom (자체 제작한 근접방사선치료용 다목적 팬텀의 유용성 평가)

  • Jang, In-Gi;Lee, Jin-Joung;Kim, Wan-Sun
    • The Journal of Korean Society for Radiation Therapy
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    • v.18 no.2
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    • pp.119-125
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    • 2006
  • Purpose: To measure the dose for dose optimization at the reference point (A, B) and the critical organ with multi Purpose brachytherapy phantom (MPBP). For this wort the MPBP was custom made, and designed to reconstruct the treatment applicator using multi function applicator (MFA) in the same way as the treatment of patient. Materials and Methods: Dose measurements were made at the reference points (A, B) and the bladder with thermoluminescence dosimeter (TLD) for four patients with tandem and ovoid of uterine cervix cancer using the phantom. In Phantom, Total 20 times of the measurements were made with 5 times a patient. Results: The results of TLD measurements in MPBP phantom showed the relative error ranging from -3.2% to 3.8% at A point, and -1.4% to 4% at B point and 1.3% to 7.15% at the bladder of reference point. Conclusion: The reproducibility of dose measurement under the same condition as the treatment could be achieved using the custom-made MFA in phantom and the dose at the reference point (A, B) and bladder could be analyzed accurately. The measured dose acquired in MPBP can apply for the dose optimization.

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Dust Collection Characteristics of Multi-layer Multi-stage Porous Plate System with Ionizer and Dielectric-substance (이오나이저 및 유전체 방식을 도입한 다층 다단 다공성 플레이트 시스템의 집진특성)

  • Yoa, Seok-Jun
    • Journal of Power System Engineering
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    • v.17 no.6
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    • pp.63-72
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    • 2013
  • The main purpose of this study is to analyze the collection characteristics of multi-layer multi-stage porous plate system with ionizer and dielectric-substance experimentally. The experiment is carried out to analyze the characteristics of pressure drop and collection efficiency for the present system with experimental parameters such as applied voltage, inlet velocity, stage number and inlet particle concentration, etc. In results, for multi-layer multi-stage porous plate system of inflow type, at 5 stage and $v_{in}$=2.58 m/s, the pressure drop becomes lower 15 $mmH_2O$ as 95 $mmH_2O$ than that of non-inflow type system. It is estimated that for the present system with ionizer and dielectric-substance, the collection efficiency represents 98.5% showing higher 5.2% comparing to that of multi-layer multi-stage porous plate system without ionizer and dielectric-substance at 5 stage, $v_{in}$=2.58 m/s and inlet concentration $3g/m^3$(fly ash).

A Study on Correlation of Multi-Cultural Social Distance with Immigrant upon Xenophobia in Korea Society

  • Jung, Myung-Hee
    • Journal of Distribution Science
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    • v.15 no.5
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    • pp.39-47
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    • 2017
  • Purpose - This study investigated xenophobia that has been a serious social problem, and classified multi-cultural groups in Korea into married immigrant, foreign labor workers and foreign students studying in Korea to examine the effects of fixed idea on multi-cultural persons, multi-cultural education experience, multi-cultural sensitivity, good feeling on multi-cultural persons upon social distance with multi-cultural persons, and to find out counteractions and cultural capacity on the xenophobia. Research design, data, and methodology - The study classified multi-cultural persons into married women immigrant, foreign labor worker, and foreign students studying in Korea to examine the effects of their thoughts on cultural cognition. Self-administered questionnaire was used. The subject was college students in Gyeonggi, Gyeongnam and Chungcheong with industrial complexes, more married women immigrants and more foreign students studying in Korea. Results - As shown in the findings, Korean people had different emotion and preference on married immigrant or foreign students studying in Korea and foreign labor workers. Conclusions - This study investigated the effect of multi-cultural person's cultural distance upon xenophobia. Different preference to multi-cultural persons depending upon fixed idea might produce xenophobia, so that the government was demanded to establish various kinds of policies of lives to live life together with immigrant at government level.

Directivity of Integration of Multi-Cultural Family's Family Life Culture (다문화가정의 가정생활문화 통합의 지향성)

  • Cha, Sung-Lan
    • Journal of Family Resource Management and Policy Review
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    • v.13 no.3
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    • pp.85-101
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    • 2009
  • The Multi-cultural Family Support Center provides various educational programs and services for multi-cultural families. However, there are controversies regarding integration and assimilation, ethnic identity and ethnocentrism, and state-sponsored multi-culturalism. From the home economist's perspective, it was necessary to explore the direction of integration of family life culture in the multi-cultural society. This study concluded that there is a necessity to accept foreign culture and create a new culture while still maintaining their and our own cultural identity respectively. For this purpose, integration and assimilation must progress side by side to maintain the cultural identity and stability of multi-cultural families. But, women migrants are to adapt in their everyday life, they need to attend a Korean-language course and take part in a traditional Korean culture program such as having an assimilational characteristics. Also for the happiness of multi-cultural families ultimately not for the confronted problems, it requires sometimes education of changing migrants' own traditional customs and life culture partly. In this sense, educational and cultural programs held by Multi-Cultural Family Support Center are meaningful and their importance in adapting into everyday life must be recognised by all of us.

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Approaches to and Issues in Research on Multi-Cultural Family Homes (다문화가정 주거의 연구를 위한 접근방법과 쟁점)

  • Hong, Hyung Ock
    • Human Ecology Research
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    • v.51 no.6
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    • pp.649-663
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    • 2013
  • As cultural diversity has gained a great deal of attention and the social fabric of Korean society is redefined, the number of studies on multi-cultural family homes has been growing in the area of human ecology, but relevant research is rarely found on the subject of housing. While the emphasis of housing research is on multidisciplinary approaches and empirical research is highly valued, a theoretical and methodological platform for discussing the new rising agenda of multi-cultural family homes is lacking. The purpose of this study was to explore approaches to and to discuss the issues in research for multi-cultural family homes in terms of housing theories and multidisciplinary approaches. To understand the housing related needs of multi-cultural families, this study highlights social constructionism, the ecological perspective, and feminist epistemology. These three multidisciplinary approaches were useful for generating an ontological analysis of multi-cultural family homes. Further, this study highlights two housing related theories, the microsociological and housing pathways approaches, for dealing with multi-cultural family homes. In conclusion, the five approaches were useful for exploring issues in housing research on multi-cultural family homes with appropriate research methods like hermeneutics, quantitative, and qualitative methods, and field research. Insights into using perspectives and holistic approaches might be useful for solving the problems of multi-cultural family homes in Korea.

A System Theory Approach to Social Support for Multi-cultural Families with a Focus on Formal Support Systems (다문화가족의 사회적 지지에 대한 체계론적 접근 - 공적 지원체계를 중심으로 -)

  • Hong, Sung-Hee
    • Journal of Family Resource Management and Policy Review
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    • v.19 no.1
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    • pp.23-47
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    • 2015
  • The purpose of this study was to investigate social workers' personal experiences providing social support to multi-cultural family in a multi-cultural family center. The data were collected through in-depth interviews with 14 social workers at the multi-cultural family center, and were analyzed using a phenomenological research method. The major findings were as follows : The social workers' personal experiences with and understanding of social support were classified as 4 categories : 'source of emotional support to the multi-cultural family', 'diverse and systematic educational support', 'excessive demands on material support', and 'daily life support and connection with community network'. The social workers recognized emotional and educational support as essential factors in providing social support to multi-cultural family. However, the social workers' perceptions of material support derived from negative personal experiences stemming from excessive demands and misunderstanding for material support. These results showed that social workers at the multi-cultural family center provided multi-cultural families with social support and that they interacted with community support system and multi-cultural families to increase their satisfaction.