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Design Parameter of a New Type Bi-directional Damper Using a Tuned Liquid Column Damper and a Tuned Sloshing Damper (TLCD와 TSD를 이용한 새로운 형태의 양방향 감쇠기 설계변수)

  • Min, Kyung-Won
    • Transactions of the Korean Society for Noise and Vibration Engineering
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    • v.19 no.8
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    • pp.850-856
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    • 2009
  • A new type bi-directional damper using a tuned liquid column damper(TLCD) and a tuned sloshing damper(TSD) is introduced in this study. Two dampers are usually needed to reduce wind-induced responses of tall buildings since they are along and across wind ones. The proposed damper has the advantage of controlling both responses with one damper. One of objectives of this study is to derive analytical dynamics to investigate coupled effects due to TLCD and TSD. Another objective is to address the effect of coupled control force due to TLCD and TSD on the dynamic characteristic of the damper based on analytical dynamics. Shaking table test is undertaken to experimentally grasp dynamic characteristics of the damper under white noise excitation. Its dynamic characteristic is expressed by the transfer function from the shaking table acceleration to the control force generated from the damper. Finally, its design parameters are identified based on the coupled dynamics, which include the mass ratio of horizontal liquid column to total liquid for a TLCD, the participation factor of the fundamental liquid sloshing for a TSD and damping ratio for both cases.

Nursing Students' Clinical Judgment Skills in Simulation: Using Tanner's Clinical Judgment Model (시뮬레이션에서의 간호대학생의 임상적 판단 기술 분석: Tanner의 Clinical Judgment Model을 적용하여)

  • Kim, Eun Jung
    • The Journal of Korean Academic Society of Nursing Education
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    • v.20 no.2
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    • pp.212-222
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    • 2014
  • Purpose: The purpose of this study was to evaluate the nursing students' clinical judgment skills in simulation using Tanner's Clinical Judgment Model. Method: Forty-five teams of a total 93 nursing students participated in a post-operative patient care scenario using human patient simulator. Data were collected from students' responses in scenario and guided reflective journaling according to the framework of Tanner's model which comprised noticing, interpreting, responding, and reflecting on response. Data were analyzed using descriptive statistics. Results: The students' responses of the situation were in accordance with the goals of scenario, i.e. relieving patient' pain and preventing pulmonary complications. However, most of students needed clinical cues and focused on a given clue to solve the issues. They were lack of ability to collect additional information as well as connect the relevant clues in simulated clinical situation. Conclusion: The nursing students have difficulty in what they notice, how they interpret finding, and respond appropriately to the situation. The simulation training using Tanner's model could provide faculty and nursing students with an effective teaching and learning strategy to develop the clinical judgment skills.

The Relationship between Shame and Aggression: The Mediating Effect of the Emotion Dysregulation (수치심과 공격성간의 관계: 정서조절곤란의 매개효과를 중심으로)

  • Goh, Jinkyung
    • Journal of Digital Convergence
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    • v.16 no.9
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    • pp.339-346
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    • 2018
  • This study aimed to examine the mediating effects of emotion dysregulation on the relationships between shame and aggression. All data was measured on Experience of Shame Scale, Aggression Questionnaire, and Difficulties in Emotional Regulation Scale. Total 287 responses were analysed. The findings of this study were as follows. Shame affected not only directly aggression but also influenced through emotion dysregulation. Impuse control difficulties and nonacceptances of emotional responses showed the significant partial mediation effects. The results showed the necessity of adaptive emotional regulation in dealing with aggression elicited by shame.

The effect of attribute evaluation and consumption value on the purchase involvement in the global luxury fashion brands (소비자의 글로벌 럭셔리 패션브랜드 속성 평가 및 소비가치가 구매 관여에 미치는 영향)

  • Kim, Mun Young
    • The Research Journal of the Costume Culture
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    • v.28 no.2
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    • pp.215-228
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    • 2020
  • The purpose of this study is to evaluate the attributes of consumers global luxury fashion brands and to find the impact of consumer value, meaning the social and pleasure values derived from brands on product purchase involvement. The method in this study was analysis of a total of 298 responses to a questionnaire. The results indicate, first of all, that among the attribute evaluations of global luxury brands, traditionality and splurge affect purchasing involvement. However, prestige and originality were found to have no influence on purchasing involvement. Second, the responses to the questionnaire indicate that social and pleasure values had a statistically significant effect on purchase of luxury brands. Third, the value of cross-group attributes evaluation and consumption value to differences in purchase involvement has had statistically significant results. In conclusion, the traditional and Splurge natures of the luxury global fashion industry's brand, social consumption value and pleasure consumption value affect the level of purchase involvement. This underscores the importance of attribute Evaluation(traditional and splurge) and consumption value(social and pleasure) when planning consumer marketing strategies for global luxury fashion brands in the future.

Development of A Performance Model of the Foodservice Industry

  • Seo, Kyung Hwa;Jeon, Yu Jung Jennifer;Lee, Soo Bum
    • Culinary science and hospitality research
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    • v.22 no.6
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    • pp.132-144
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    • 2016
  • This study reviewed previous researches about the competence selection of foodservice firms, and shows firm's performance model through the results. The study classified factors according to core competence, differentiation strategy, and management performance. Out of 400 survey responses from by the firm's executive and employees who had worked for over three years at the headquarters (sales, financial, marketing/plan, R & D, etc.), a total of 302 questionnaires were used for the final analysis due to missing values and biased responses (response rate: 75.5%). As the results of analyzing final research model of this study, it appeared that ${\chi}^2(df=170)=384.88$, ${\chi}^2/df=2.26$, GFI=0.90, NFI=0.92, CFI=0.95, RMSEA=0.07. The results indicated that the CEO leadership, organizational culture, and human resource competencies are a driving force in all aspects of competitive advantage differentiation strategies. In addition, the R & D innovation, service, and marketing differentiation strategies are positively related to performance. The results validate the fact that foodservice firms could reinforce strategic decisions through a variety core competencies and achieve continuous performance through competitive strategies.

A Study of Consumers' Responses to the Attributes of Salespeople in Fashion Retail Stores (패션매장에서 판매원의 특성에 대한 소비자 반응 연구)

  • Seo, Min Jeong;Jun, Daegeun
    • Fashion & Textile Research Journal
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    • v.20 no.5
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    • pp.509-519
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    • 2018
  • This study is to examine the effects of salespeople' attributes (i.e., empathy, availability, professional appearance) on consumer cognition, emotion, and behavior. A conceptual model was developed based on stimulus-organism-response (S-O-R) theory and cognition-emotion theory. A total of 542 questionnaires were collected online and some incompletely written questionnaires were excluded. Because of the high possibility of memory distortion, only the questionnaires (n=220) written by those who visited fashion stores within one week were used for the final analysis. The results of PLS analyses demonstrated that 1) salespeople's empathy directly affected consumers' shopping emotion; 2) salespeople's availability and professional appearance indirectly affected consumer's shopping emotion through store image; 3) consumers' shopping emotion positively affected purchase intention. Theoretical and practical implications of the results are discussed in conclusion. As a result of this research, the main characteristics of the salespeople were identified in order to allow the consumers visiting the fashion store to buy the fashion products naturally and the basic directions of sales manuals for the salespeople in the fashion store were presented. It is also hoped that academic researchers will be able to use the characteristics of salespeople as the main data to understand how they affect consumers' cognitive and emotional responses and how they are connected to purchase behavior.

College Students' Housing Values, Expectations and Considerations for Housing in Their 20s - Centered on Chungbuk Province -

  • Lee, Hyun-Jeong
    • International Journal of Human Ecology
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    • v.14 no.1
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    • pp.71-85
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    • 2013
  • The purpose of this study was to investigate Korean college students' housing values and housing expectations as well as considerations for housing in their 20s and to explore influences on housing values and expectations. Items related to four housing functions were developed in conjunction with Maslow's hierarchy of human needs to measure housing values. An on-site questionnaire survey was administered to students of a university-A located in Chungbuk province between May 28, 2012, and June 17, 2012. Among the total 476 responses, 465 responses from Korean students were used for further data analyses. The findings are as follows: (1) Among housing functions, those related to shelter functions were perceived as most important followed by function as a place for self-esteem. (2) More than 70 percent of the respondents expected to rent a housing unit in their 20s and more than half of the respondents expected non-traditional and relatively affordable compact size structure types such as studio, Officetel or Gosiwon. (3) Price, location and transportation were found to be the most important considerations when choosing housing in their 20s. (4) Convenience in use of public transportation and commute time were found to be the most important in location choice, and maintenance conditions and security systems were the most important for building choice. (5) Female respondents tended to consider personal safety, security systems, neighborhood facilities, and distance from family more important than male respondents when choosing housing, while male respondents considered parking space more important than females.

Effects of Ridge Height in Dry Paddy Field on Growth and Seed Yield of Soybean Cultivars

  • Seong, Rak-Chun;Park, Sei-Joon;Shim, Sang-In
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.45 no.2
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    • pp.88-92
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    • 2000
  • Excessive soil water in paddy field induces growth losses during the vegetative stages of soybean plants. Our objectives were to know growth responses of soybean as affected by the level of ridge heights. A field experiment was conducted at the Research Farm of Korea University near Seoul in 1996. Ten cultivars of soybean (Glycine max (L.) Merrill) were planted at the ridge heights of 10, 30, and 50cm in paddy soil on 27 June. Total dry matter accumulation at the 10cm ridge height was severely decreased until the growth stage of R5 as compared to the ridge heights of 30 and 50cm, and this decrement was mainly due to both reduced leaf and stem dry weights. However, seed dry weight was not significantly decreased at the lower ridge height with the increment of harvest index. Cultivar differences were found on seed dry weight, crop growth rate from R1 to R5, and leaf/stem ratio of R5. From the above results, soybean growth responses to excessive soil water in paddy field were different between seed filling stage and late vegetative to early reproductive growth stages.

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Effects of Water Temperature Change on the Hematological Responses and Plasma Cortisol Levels in Growing of Red Spotted Grouper, Epinephelus akaara

  • Cho, Hyun Chul;Kim, Ji Eun;Kim, Hyung Bae;Baek, Hea Ja
    • Development and Reproduction
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    • v.19 no.1
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    • pp.19-24
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    • 2015
  • This study was conducted to determine the stress response [ethological (operculum movement number (OMN)), hematological (hematocrit and hemoglobin), biochemical (glucose, cortisol and glutamic oxaloacetic transaminase (GOT))] in red spotted grouper, Epinephelus akaara during exposure of different water temperature in winter season. This species (Total length, $18.56{\pm}0.34cm$) previously maintained in water temperature of $15^{\circ}C$ were transferred to 15, 20 and $25^{\circ}C$. During experimental period (7 days), OMN, hematocrit (Ht), glucose and GOT values were significantly high in $15^{\circ}C$ when compared to 20 and $25^{\circ}C$. Hemoglobin value was also increased at $15^{\circ}C$, but no significant differences. There was no differences in cortisol levels among the temperature groups. No fish mortality was observed during the experimental period. From these results, $15^{\circ}C$ is likely more stressful to red spotted grouper than $20^{\circ}C$ and $25^{\circ}C$. These observations confirm that red spotted grouper adapts better to temperatures between 20 and $25^{\circ}C$ during the winter season.

Comparison of community annoyance from commercial and military aircraft noise (민간항공기와 군용항공기 소음에 의한 성가심 반응 비교)

  • Lee, Soo-Gab;Kim, Kyu-Tae;Kim, Jae-Hwan;Hong, Ji-Young;Lim, Chang-Woo
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2007.11a
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    • pp.425-429
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    • 2007
  • The noise problem has been a public interest for several years in Korea. Especially, the noises which were emitted from aircrafts on the airport and in the air have injurious effects on people over a vast range. Hence, there need vast data on the aircraft noise to evaluate the effect of various parameters. In present study, the works which consist of social surveys and noise measurements were conducted at points near the airport and the airbase. Total of 1,784 participants give effective responses in forty-five areas nearby the measurement points. Questionnaires asked the responses concerned with attitude, noise sensitivity, directive effects, secondary effects, annoyance and attempts to lower noise level exposed. From the field survey, the doseresponse relationship of community response to aircraft noise was established and there are different characteristics between civil and military aircraft. Though the study is still continuing on a few interest, one among some results is that %HA (%highly annoyed) of civil aircraft is higher than military's under the 70 WECPNL.

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