Journal of the Korean Society of Manufacturing Process Engineers
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v.10
no.6
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pp.128-133
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2011
In this study, the steel material for shipbuilding(LR-A class) was used, and FCAW was taken advantage of 3G attitude and they are welded by different welding ways. As a result of analyzing wave with welding monitoring system, the stable values are obtained which are the first floor(electronic current 164~182 A, voltage 24 V), the second floor(electronic current 174~190 A, voltage 22~25 V), the third floor(electronic current 158~188 A, voltage 22~25 V), and fourth floor(electronic current 172~184 A, voltage 22~25 V), at this time, the stable wave standard deviation and changing coefficient could be obtained. When the welding testing through nondestructive inspection was analyzed know defect of welding, there was no defect of welding in A, D, E, but some porosities in B, and slag conclusion near the surface in C, because the length of arc was not accurate, and the electronic current and voltage was not stable. After observing the change of heat affect zone through micro testing, each organization of floor formed as Grain Refinement, so welding part was fine, the distance of heat affect zone is getting wider up to change the values of the electronic current and voltage. As a result of degree of hardness testing, the hardness orders were the heat affect zone(HAZ), Welding Zone(WZ), and Base Metal(BM). When the distribution of degree of hardness is observed. B is the highest degree of hardness The reason why heat effect zone is higher than welding zone and base metal, welding zone is boiled over melting point($1539^{\circ}C$) and it starts to melt after the result of analysis through metal microscope, so we can know that delicate tissue is created at the welding zone. Therefore, in order to get the optimal conditions of the welding, the proper current of the welding and voltage is needed. Furthermore the precise work of welding is required.
Park, Young-Joo;Seomun, Gyeong-Ae;Lim, Ji-Young;Kim, In-A
Journal of Korean Academy of Nursing Administration
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v.12
no.2
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pp.311-322
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2006
Purpose: The objective of this literature review study was to identify patterns and trends of studies on leadership among nurse managers in nursing organization and suggest the direction of future researches. Methods: Research Studies on the leadership were selected from thesis and related journals, which had been conducted from 1975 to 2006.5. Search Terminologies were used "leadership". The Total number of the collected studies were 69. Results: The number of studies on leadership has been increased rapidly since 1990's. In research design, Quantitative studies were 68 except for a Qualitative study. Correlation research were 45(65.2%) among quantitative studies. Conceptual frameworks, research questions and hypotheses were involved 31.9%, 98.6%, 31.9%. In subject, General nurse is 46.4%, Head nurse and General nurse was 23.2% and Head nurse is 2.9%. All the studies used questionnaire in data collection method. Measurement tools were used 50% for Bass' MLQ(MLQ-5X). For the statistical analysis, Correlation, ANOVA, t-test were used for 20.3%, 17.4%, 10.5% respectively. The number of leadership related variables were work-related, organization-related, personal recognition or attitude, empowerment, personality. The sub-variables were used for 31 Job satisfaction. Further studies were suggested the develop of leadership program, measurement for the effect of leadership, repeated studies on leadership, the development of measurement about leadership. Conclusion: These results will be used to provide the basic data for developing leadership theory on nursing organization.
I conducted a pretest on the students' preference before I incorporated Cooperative learning in five classes of second grade students, at a girl's middle school which is located in Gimje city. After ten weeks of Cooperative school work, the students took a post test with the same questions as the pretest. The result of this method greatly impacted on the change of students' scientific preference. It means that the students showed their positive awareness of and the participation in the science class in comparison with the classes before they were taught this new style of education. However it is difficult to distinguish the differences of their scientific attitude on the recognition about the scientists and the habit which they think scientifically. This resulted from a short period of ten weeks of learning which is not sufficient to carry out the study strategy effectively. Surveys of the students on Cooperative learning indicates that the middle level students prefer this method unlike the higher or lower level. I am convinced that they can learn from the students of higher level and are able to help the lower level with the interaction through Cooperative learning.
While growing interest about university education and quality enhancement, learner's scholastic achievement, learning process, various of learning activity work variable performance of university education. In this context, for quality enhancement of engineering education, it is necessary to pay attention not only learning achievement, educational conditions and environment, but also how students learn. The purpose of this study is checking learning activity in class of Engineering college students and proposing teaching and learning support for promoting learning activity in class. The result of this study is engineering college students were participate in highly only activity is called to professor, but self-directed learning engagements was less than. Activity of promoted thinking about task execution implemented frequently, but activity of critical thinking and applied everyday life were less than. In class students cooperated with colleague learner actively, they had sincere attitude about class. Based on these results, in order to promote learning activity in class, it is necessary sufficient teaching-learning support for learner's self-directed learning and enhancing thinking skills.
Journal of the Korean association of regional geographers
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v.20
no.3
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pp.269-281
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2014
Urban communities have been recently highlighted as an alternative idea in the field of urban regeneration, social economy and so on. Urban communities should not be understood as an ideal, but the way urban communities work in reality also should be analysed. This paper aims to find out what urban communities really mean and who are involved in urban communities. The paper explores the features and issues of unban communities by surveying residents in Ansim area, Dong-gu, Daegu city. The paper analyses the relation between participation and community features: residents' socio-economic features, residence features, social relationship with their neighbours and the sense of community. The survey outcome shows that middle income, higher educated residents living in apartment complex are relatively more involved in community activities. Moreover, those who have more relationship with their neighbours have participated in community activities more than those who do not have any. As a consequence, this paper carefully states that the urban community is middle class-oriented and such feature could cause other residents' limited opportunities to access information about their own community and lead to social exclusion. This paper suggests that urban community groups need 'soft solidarity' between social classes.
This study is a life history study of the elderly of overseas chinese. The aim of study is to explain the acculturation of identity and attitude to korean and the experience of discrimination through of the work of reconstruction of life history. We approached narrative - life history analyze. The life history data were collected by in - depth interview. The authors analysed the text according to Rosenthal(2008). In first stage we recomposed narrative life history and finally we composed experienced life history. The result as follows. The hero of this study have lived wearing korean mask for survival in the land of emergency landing but he lived severely dreaming come home in glory. The life of hero of this study represented forfeit of identity. He couldn't root in korea, Taiwan and China.
This study focused on difference of the nation's concept between Ko un's Baekdusan and Lee uk's Gohyangsaramdul, Pungungi. These works are epics restructure nation's history. A epic's story provides framework of recognition to social members. An individual and community accept their story and then stories construct pesonal identity and community's identity. So we can say a epic configurates national identity by story nation history and nation territory. The nation's concept is understood steadfast and very pure as like a blood relationship in Korea. This is aspects of Korean nationalism. But the Nation is modern, social and historical concept. That is different from ethnic identity. This way throws open the door to analyze nation identity. Ko un's Baekdusan narrates permanence and sacralization of the nation for emphasizing the unification of North Korea and South Korea. Baekdusan expresses the social desire of Korea in the 1980s. In comparison, Lee uk's Gohyangsaramdul representate ambivalent attitude. One is a position as a settler and the other is a new master of Yanbian Korean Autonomous Prefecture. So Gohyangsaramdul narrates and remembers their motherland Chosun. But Pungungi exclude recognition of Chosun as motherland. This work's narration focuses on association with struggle of classes and anti-Japanese Movement during the Japanese colonial period. Because these events are able to unity Korean and Chines. Three works deal with same history and same background, but those show defferent recognition about the Nation. Because each society has different social desire and expect different future. The present desire and future prospect construct nation identity.
This study examines the mediating effect of self-esteem in the influence of family decision-making attitudes on adolescents' human rights awareness. In order to achieve the purpose of this study, data from the Korea Youth Policy Research Institute surveyed in 2018 were used and analyzed. After extracting 693 adolescents with part-time work experience among all respondents in this data, missing values, outliers, and weights were removed, and a total of 511 people were selected as final research subjects. The SPSS WIN 25.0 program was used to verify the influence and mediating effect between measurement variables. As a result of the analysis, the partial mediating effect of self-esteem was confirmed in the influence of decision-making attitudes within the family on the human rights consciousness of adolescents. In addition, the Sobel Test was conducted to confirm the significance of the mediating effect of self-esteem. Based on the results of this study, the necessity of social welfare intervention was suggested for desirable communication between parents and children, raising awareness of human rights and enhancing self-esteem suggested.
Kim Goun;Kim, Heejung;Park, Jeongok;Kang, Hee Sun;Kim, Soojin;Kim, Sunah
Journal of Korean Academy of Nursing
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v.53
no.5
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pp.500-513
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2023
Purpose: Women are more vulnerable to post-traumatic stress (PTS) than men, causing several health problems. Nurses should understand and work with women who have experienced trauma and provide interventions to promote their physical, social, and mental health. Methods: This quasi-experimental pilot study used a one-group pre-test/post-test design. Data were collected from 14 women recruited between December 2019 and May 2020 from a self-sufficiency support center in South Korea for sexually-exploited women who had experienced trauma. The program consisted of six one-on-one intervention sessions per week for six weeks. Each session averaged 60~120 minutes. Participants were assessed at pre-test, post-test, and one-month follow-up. Changes in outcome variables over time were analyzed using the Wilcoxon signed-rank and Friedman tests. Results: The caring program for health promotion was divided into six sessions: understanding the self, sharing traumatic events and negative emotions, reframing the meaning of traumatic events, identifying thoughts and physical and emotional responses, developing health promotion activities, and maintaining a positive attitude during the process of change. As a result of the caring program, PTS (F = 36.33, p < .001), depression (F = 24.45, p < .001), health-promoting behaviors (F = 7.06, p = .004), and self-esteem (F = 19.74, p < .001) among the participants differed significantly at pre-test, post-test, and follow-up. Conclusion: This study provides foundational information for the implementation of a theory-driven program by nurses in clinical and community settings to provide comprehensive care for women who have experienced trauma.
It is becoming more essential than ever for office professionals to become competent in information collection/gathering and problem solving in today's global business society. In particular, office professionals do not only assist simple chores but are also forced to make decisions as quickly and efficiently as possible in problematic situations that can end in either profit or loss to their company. Since office professionals rely heavily on their tacit knowledge to solve problems that arise in everyday business situations, it is truly helpful and efficient to refer to similar business cases from the past and share or reuse such previous business knowledge for better performance results. Case-based reasoning(CBR) is a problem-solving method which utilizes previous similar cases to solve problems. Through CBR, the closest case to the current business situation can be searched and retrieved from the case or knowledge base and can be referred to for a new solution. This reduces the time and resources needed and increase success probability. The main purpose of this study is to design a system called COKRS(Case-based reasoning Office Knowledge Recommender System) and develop a prototype for it. COKRS manages cases and their meta data, accepts key words from the user and searches the casebase for the most similar past case to the input keyword, and communicates with users to collect information about the quality of the case provided and continuously apply the information to update values on the similarity table. Core concepts like system architecture, definition of a case, meta database, similarity table have been introduced, and also an algorithm to retrieve all similar cases from past work history has also been proposed. In this research, a case is best defined as a work experience in office administration. However, defining a case in office administration was not an easy task in reality. We surveyed 10 office professionals in order to get an idea of how to define a case in office administration and found out that in most cases any type of office work is to be recorded digitally and/or non-digitally. Therefore, we have defined a record or document case as for COKRS. Similarity table was composed of items of the result of job analysis for office professionals conducted in a previous research. Values between items of the similarity table were initially set to those from researchers' experiences and literature review. The results of this study could also be utilized in other areas of business for knowledge sharing wherever it is necessary and beneficial to share and learn from past experiences. We expect this research to be a reference for researchers and developers who are in this area or interested in office knowledge recommendation system based on CBR. Focus group interview(FGI) was conducted with ten administrative assistants carefully selected from various areas of business. They were given a chance to try out COKRS in an actual work setting and make some suggestions for future improvement. FGI has identified the user-interface for saving and searching cases for keywords as the most positive aspect of COKRS, and has identified the most urgently needed improvement as transforming tacit knowledge and knowhow into recorded documents more efficiently. Also, the focus group has mentioned that it is essential to secure enough support, encouragement, and reward from the company and promote positive attitude and atmosphere for knowledge sharing for everybody's benefit in the company.
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