• 한국전자현미경학회:학술대회논문집
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• 한국현미경학회 1997년도 제28차 창립30주년 기념 추계학술대회
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• pp.47-47
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• 1997

• 컴퓨터교육학회논문지
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• 제8권6호
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• pp.95-102
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• 2005

컴퓨터 및 정보통신 기술의 발달은 의류산업 현장 시스템에 많은 변화를 가져왔으며 교육현장에서도 양질의 의상디자인 전문 인력을 양성하기 위하여 컴퓨터를 활용한 다양한 교과가 개설되어있는 실정이다. 그러나 학습자의 ICT소양의 부족으로 인하여 교육내용 중 상당부분을 ICT교육에 할애해야 한다. 이는 초 중등 교육과정 및 대학의 교양교육과정에서 ICT교육이 제대로 이루어 지지 않았기 때문이다. 본 연구는 급변하는 산업 환경과 그에 따른 교육환경에서 의상디자인 전문 교육과정을 이수하기 위하여 학습자가 갖추어야 할 ICT소양능력을 규정하고, 그러한 ICT소양능력이 갖추어졌다는 전제하에 정보화 사회에 적합한 ICT를 활용한 의상디자인 교육과정을 설계하였다.

• 한국정밀공학회:학술대회논문집
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• 한국정밀공학회 2009년도 추계학술대회 논문집
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• pp.685-686
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• 2009

• 대한지역사회영양학회지
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• 제12권1호
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• pp.3-12
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• 2007

This study was performed to investigate the body image perception by BMI and the dietary behaviors in 803 college students(408 males and 395 females). The degree of obesity was divided into an underweight group with BMI less than $18.5kg/m^2$, a normal group with BMI of $18.5{\sim}22.9kg/m^2$, an overweight group with BMI of $23{\sim}24.9kg/m^2$ and an obese group with BMI over $25.0kg/m^2$. The average ages of subjects were 22.9 years in males and 20.2 years in females. The average weight and height of male subjects were 175.3 cm and 69.6 kg, respectively and those of female subjects were 162.5 cm and 52.0 kg, respectively. The average BMIs of male and female subjects were $22.6kg/m^2$ and $19.7kg/m^2$, respectively. The distribution of subjects who perceived their current body image as ideal body image was 25.7% in males and 10.9% in females, showing that the body image satisfaction of male subjects was 1.5 times higher than that of female subjects. Body image perception for their own bodies was mostly shown as the average or standard shape both in males and females with 64.2% and 54.2%, respectively, but males showed a higher perception rate than females and 31.1% of females and 19.5% of males perceived their bodies as lean shape(p<0.01). The body image satisfaction was 4.20 in males and 3.70 in females, showing more satisfaction in the male subjects(p<0.001). The correlation between body image and physical variables in male subjects indicated that CBI and IBI showed statistically significant correlation and also BMI showed statistically significant correlation with IBI(p<0.001) and CBI(p<0.001). The frequency of eating out increased as the frequency of skipping meals increased(p<0.001) and the frequency of having snacks increased as the frequency of eating out increased(p<0.01). The correlation between body image and physical variables in female subjects showed that CBI and IBI(p<0.001) had statistically significant correlation. Body weight showed statistically significant correlation with CBI(p<0.001), BMI(p<0.001) and height(p<0.001). The frequency of eating out increased as height(p<0.01) and the frequency of skipping meals(p<0.001) increased. When both male and female subjects wanted leaner body shapes, they preferred much leaner shapes despite their current body images belonging in the normal range. Additionally subjects preferred the body image in the normal range in cases when their current body images were lean. In particular, more female subjects had strong desires to become leaner in their body images than male subjects, which could be analyzed as a risk factor for physical him. From the above results, it is considered that both male and female subjects need to establish proper recognition and dietary behaviors for their body images and also need nutritional education and counseling for desirable weight control methods.

• 한국자동차공학회논문집
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• 제14권2호
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• pp.114-120
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• 2006

The basic effects of hydrogen addition for engine performance and emission were investigated in single cylinder research engine. Seven commercial injectors were tested to choose a suitable injector for hydrogen injection prior to its engine implementation. The hydrogen fuel leakage and flow rate were evaluated for each injector and KN3-1(Keihin, CO.) showed the best performance for hydrogen fuel. At the higher excess air ratio(${\lambda}=1.7$, 2.0), the better combustion stability was found with hydrogen addition even though its effect was small at lower excess air ratio (${\lambda}=1.0$, 1.3). Stable operation of the engine was even guaranteed at ${\lambda}=2.0$, if the amount of hydrogen gas was near 15% of total energy. In the lean region, ${\lambda}>1.3$, thermal efficiency was improved slightly while it was not clearly observed at ${\lambda}=1.0$, 1.3. It is considered that, in some cases, high temperature environment due to hydrogen combustion caused further heat loss to surroundings. Except for ${\lambda}=1.0$, with larger amount of hydrogen addition, CO was reduced drastically but it was emitted more at the leaner region. Nitric oxides(NOx) was increased a little more with hydrogen addition at ${\lambda}=1.0$, 1.3. However, at ${\lambda}>1.3$ its relative amount of emission was low. In addition, the amount of NOx was continuously decreased with hydrogen addition, but, at ${\lambda}=2.0$ the amount of NOx was lowered to 1/100 of that of ${\lambda}=1.0$. THC emission was significantly increased as air/fuel ratio was raised to leaner region due to misfire and partial burn.

• Educational Technology International
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• 제16권2호
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• pp.231-247
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• 2015

The purpose of this study was to identify the factors of ICT literacy in the primary school students in South Korea and to examine the gender and city size difference on the factor of ICT literacy. To accomplish this goal, we have analyzed the data of Korea Youth Competency Measurement and International Comparative Study I: ICCS 2016 which is nationally collected from the primary school students, currently on the 5 ~ 6th grades in South Korea. 1,188 samples were used in the study excluding missing samples. The participants were 584 5^th grad and 604 6^th grad students, 620 males (52.2%) and 568 females (47.8%). The mean age was 13.49 years (SD=.52). The result of the study reveals the four factors of ICT literacy through cross-validating exploratory factor analysis and confirmative factor analysis; pleasure of using ICT, perceived usefulness of using ICT, learning ability with using ICT, and operating ability of ICT. This study found that the leaner differ in gender on learning ability with using ICT and pleasure of using ICT. The female students were significantly larger than male students on learning ability with using ICT. However, the male students were significantly larger than male students on pleasure of using ICT. This study found that the leaner differ in city size on the factors of ICT literacy excluding pleasure of using ICT. The students living in the big size city were significantly larger than the students living in the middle and small. That is, over all, female students were more learning with ICT, male students were more interesting about ICT, and the students living in the big size city were more ICT use for learning. Based on the results, some strategies were suggested on the proper use of the factors of ICT in education.

• 영어어문교육
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• 제17권4호
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• pp.157-175
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• 2011

The purpose of this study is to compare learners' view on Korean and native teachers of English with regard to competence of teaching skills. A total of 166 high school students attending the same high school in Korea participated in a questionnaire survey. The students were asked a series of questions about their five Korean teachers of English and three natives. The analysis of the results indicates that the learners believed Korean English teachers would be better in teaching vocabulary, grammar and reading than native English teachers. The learners answered native English teachers would be better in teaching speaking, listening, and writing. In the areas of the accuracy of classroom language, the level of teacher-centeredness, and the amount of cultural information given in a classroom, there were no significant differences in the learners' responses between Korea and native teacher of English. By recognizing the differences of the learners' views on two different types of ELT teachers, we suggest that it would be beneficial for learners if we would utilize their views in designing and administrating a team-teaching program.

• 영어어문교육
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• 제15권3호
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• pp.353-380
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• 2009

The purpose of this study is to analyze the preconceptions Korean EFL learners have about team teaching in the field of English education at a secondary level. Team teaching is a method of teaching where a Korean English teacher works in co-junction with a native English speaker. Generally speaking, when we discuss teaching methods for a foreign language, the most important objective is to improve our communication skills. The purpose of this study is to examine the effect on communication skills when team teaching is employed, and to find ways to maximize the benefit when team teaching. The underlying issues are; firstly, what are the precedent conditions for team teaching? Secondly, what are the best teaching methods and preparations for teaching materials for improving the effectiveness of team teaching? Third, how do the programs for team teaching with native teachers assist in improving the student's communication skills? Ideally, this study will assist in overcoming the fear that foreign language learners have when communicating with real native speakers.

• 한국자동차공학회논문집
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• 제4권2호
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• pp.147-157
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• 1996

Natural gas is gaining more attraction as a future fuel in particular both for environmental protection and energy conservation. In order to bring about more widespread use of gaseous engines, the technology capable of achieving output and efficiency performance equivalent to that of diesel engines needs to be developed. In the present paper, the requirements of the pilot torch from pre-chamber for ensuring ignition and promoting combustion are discussed by means of taking high-speed flame photography and system can run with leaner mixture of various fuels comparing to the electric plug ignition system cause the ignition delay period ignited with the torch and the combustion period are very short in spite of changing A/F of gaseous fuels in the main chamber. However, the suitable piston-cavity design for the use of lower-hydrocarbon fuels such as propane and butane must be discussed increasingly in the mear future.

• 한국자동차공학회논문집
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• 제2권2호
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• pp.117-123
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• 1994

This paper describes the effect of air assisted fuel injection system(AAI) using compressed air to improve the performance of lean combustion engine. AAI is designed to promote fuel atomization and intake flow. In order to investigate the performance of engine with AAl, experiments are conducted varying the engine revolution speed, lean air-fuel ratio and intake manifold pressure. Compared with the original engine, the performance of the engine with MI is improved as the air-fuel mixture becomes leaner or the engine load becomes lower. The descreasing rate of BSFC is propotional to the relative air-fuel ratio and the lean misfire limit extended more than 0.2 relative airfuel ratio.