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이보선 ( Bo Sun Lee ),최호용 ( Ho Yong Choi ) 충북대학교 산업과학기술연구소 2011 산업과학기술연구 논문집 Vol.25 No.2
In this paper, we have designed a control circuit of 1T graphic memory for LDI which iscapable of changing a refresh clock by setting a clock register to adjust process variations or frame frequency variations, and the memory design can be designed with minimum cell size. The main circuit consists of a reference clock generator which generates a reference clock determined by the size of optimal memory cell, a frame frequency clock generator which generates a frame clock by user setting, and a self refresh control block in which a refresh clock is generated by comparing the reference clock to the frame frequency clock. The proposed control circuit has been designed in transistor level using 0.18㎛CMOS technology library. Simulation results show that the frame clock frequency has 8.5Hz ~ 132Hz and refresh operation of 1T is well performed with even the memory cell size as small as 12fF at the frame clock frequency 60Hz.
직장인의 생활체육 참여가 직무스트레스 및 삶의 질에 미치는 영향
이보선(Lee Bo Sun),성영호(Seoung Young Ho),오준석(Oh Joon Suhk) 한국사회체육학회 2000 한국사회체육학회지 Vol.14 No.-
The purpose of this study is to identify the effects of participation in practical sport for office workers on job stress and quality of life. To achieve the aim, this study is to analyze firstly the difference of job stress and life quality depends on the properties of office workers in terms of social demography, secondly the difference of job stress and life quality depends on participation extent in practical sport, thirdly the effect of participation extent in practical sport on job stress and life quality, and fourthly casual relationship between participation in practical sports and job stress or life quality. Set up office workers who are working at company located in Kyounggi - do as population, and then analyzed 334 participants in sport and 383 non-participants based on systematic cluster sampling. A tool to investigate, questionnaire was composed by total 58 questions such as 11 questions on demographic properties, 18 questions on job stress, 24 questions on leisure satisfaction, 5 questions on life satisfaction. Frequency Analysis, T-Test and One - Way ANOVA, ANCOVA and Multiple Regression Analysis were applied to analyze the collected data in accordance with the purpose of this study. Follows are results through data analysis in accordance with the above method and procedure. The first, showed a meaningful difference 0.196 in age, education level, position, working year, family's income and difference 59o in level and sex among the variables of job stress. In addition, the sub-variables of life quality are leisure satisfaction and life satisfaction, and leisure satisfaction showed a meaningful difference 5% in education level and family's income, and life satisfaction showed a meaningful difference l% in education level and 0.1% in age, position and family's income. The second, job stress and life quality depends on the participation in practical sport showed a meaningful difference 0.1% in the only life satisfaction that is a sub-variable of life quality. Non-participation group in practical sport showed a high degree in job stress but a low degree in leisure satisfaction and life satisfaction. The third, two elements of participation extent in practical sport did not influence upon job stress, and the only frequency of two elements influenced statically upon leisure satisfaction and life satisfaction as 1% respectively. The fourth, leisure satisfaction 6.496, job stress 9.5Zo and participation frequency 11.2Zo explained independently about life satisfaction, and the applied independent variables explained 12.6Fo of whole variables related with life satisfaction. The relation on life satisfaction showed a relative high degree in the period and frequency of participation, the whole effect of leisure satisfaction and showed a low degree in job stress.
대형 할인 마트의 인쇄 쿠폰 발행이 소비자 구매 의도에 미치는 영향
이광숙,곽보선,Lee, Kwang-Sook,Kwak, Bo-Sun 한국인쇄학회 2012 한국인쇄학회지 Vol.30 No.1
This research attempts to analyze the effect of printed-saving coupons distributed by major discount store on consumer purchasing intention. Those consumers having used printed-saving coupon in major discount store in Daejeon were selected as respondents. 121 copies were retreated from 150 questionnaires. For data analysis, frequency analysis for respondents' characteristics, Cronbach's alpha for reliability of analysis, and $X^2$ test of multi-regression analysis for testing hypothesis were utilized. The result of analysis shows 1) the way of using coupon is respectively different according to sex, age group, marital status, term of coupon, and the number of using coupon; 2) Attributes of coupon partially influence on purchasing intention of consumers. Only shopping cost cutting is insignificant, while keeping convenience, impulse buying, scheduled purchasing are significant. The most effective variable is scheduled purchasing, keeping convenience, and impulse buying influence on purchasing intension of consumers. Therefore, offering printed-coupon by major discount store is useful tool to induce consumers to planned purchasing.
경거골유합술 후 발생하는 불유합과 관련된 인자에 대한 분석
이준영,김보선,이정우,Lee, Jun Young,Kim, Bo Sun,Lee, Jung Woo 대한족부족관절학회 2017 대한족부족관절학회지 Vol.21 No.3
Purpose: The aim of this study was to analyze the factors related to nonunion in tibiotalar arthrodesis. Materials and Methods: Eighty cases of ankle arthritis treated with tibiotalar arthrodesis in our hospital from November 2008 to November 2015 with more than one year follow up were analyzed. Simple anteroposterior and lateral radiographs after 6 and 12 months of surgery were analyzed. Union was defined as more than 50% connection of the trabecular bone at the ankle joint surface in the anteroposterior and lateral radiographs. The nonunion group was defined as no signs of union with persistent pain 9 months after surgery. The surgical approach, type of used screw, preoperative and postoperative ankle alignment, body mass index (BMI), bone mineral density, and patients' prior history were compared between the two groups. Results: There were 69 union cases and 11 nonunion cases. In the patient factors, the gender and BMI was related to nonunion (p<0.05). The mean preoperative and postoperative ankle alignment in the nonunion group was $9.93^{\circ}{\pm}6.92^{\circ}$ and $5.43^{\circ}{\pm}3.35^{\circ}$ respectively, and $9.80^{\circ}{\pm}7.55^{\circ}$ and $5.63^{\circ}{\pm}3.45^{\circ}$ in the union group, respectively; the difference was not statistically significant (p>0.05). In the technical factors, the transfibular approach showed a better relationship but the association was not significant (p<0.05). In 40 cases of the transfibular approach, 12 cases used cancellous screws, and 4 cases showed nonunion due to screw breakage. Conclusion: Technical factors, such as the surgical approach and the type of screw used can be a risk factor in nonunion. In addition, patients' factors, such as gender and BMI, must be considered to reduce the nonunion rate.
자기중심성이 데이트폭력 가해행동에 미치는 영향: 정서조절능력의 조절효과
박성주(Sung-Joo Park),이보선(Bo-Sun Lee) 한국청소년상담학회 2022 청소년상담학회지 Vol.3 No.4
우리는 데이트 폭력의 심각성을 더 인식할 필요성이 있으며, 현대사회에 심각한 사회문제로 데이트폭력이이슈가 되고 있는 만큼 그에 관한 적절한 해결책과 예방책을 마련할 필요가 있다. 본 연구에서는 기존 연구와달리 자기중심성과 정서조절능력으로 접근을 하여 데이트 폭력 가해행동에 미치는 영향을 알아보는데 그 의의가있다. 연구대상은 총 251명 중 성별은 남성 53.4% 여성46.6%였다. 본 연구의 연구문제를 중심으로 결과를 요약하고 논의하면 다음과 같다. 첫째, 본 연구에서는 빈도분석 결과 남성은 21세, 22세 그리고 24세 순으로 많았고,여성은 23세, 22세 그리고 21세 순으로 높은 빈도수를 보였다. 대학생을 중심으로 하여 주로 20대 초반의 빈도가가장 많이 나타났다. 둘째, 본 연구에서는 자기중심성이 데이트폭력 가해행동에 영향을 미치는 것으로 드러났다. 셋째, 자기중심성이 정서조절에 미치는 영향을 살펴보았을 때, 자기중심성과 정서조절능력에 영향을 미치는것으로 나타났다. 넷째, 정서조절능력이 데이트폭력 가해행동에 미치는 영향을 살펴보았을 때, 정서조절능력이데이트폭력가해행동에 영향을 끼치는 것으로 드러났다. 다섯째, 자기중심성과 데이트폭력 가해행동에 정서조절능력 효과가 유의미한 영향을 미치는 것으로 나타났다. We need to be more aware of the severity of dating violence, and as dating violence is anissue in modern society due to serious social problems, we need to prepare for appropriatesolutions and precautions. Contrary to existing research findings, the significance of the studycan be found in that it demonstrated the effect on the dating violence harassment behavior byapproaching it with egocentrism and emotional regulation ability. For research object, thisstudy was to compose of 53.4% for male and 46.6% for female out of total 251 participants. From the result of this research above, it may be summed up as follows. First, as a result offrequency analysis in this study, male showed high frequency such as 21 years old, 22 yearsold, and 24 years old in order, and female such as 23 years old, 22 years old, and 21 yearsold in order. The frequency of the early 20s took most mainly for college students. Second,this study has shown that the egocentrism had effect on the harassment behavior of datingviolence. Third, taking a look at the effect of egocentrism on the emotion regulation, thisstudy has found out that it had effect on the egocentrism and emotional regulation ability. Fourth, as a result of the effect of emotional regulation ability on the harassment behavior ofdating violence, the emotional regulation ability had effect on the harassment behavior ofdating violence. Fifth, this study has found out that the effect of emotional regulation abilityhad significant direct effect on the egocentrism and harassment behavior of dating violence.