• Title/Summary/Keyword: problem analysis

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Effect of Kinesiotaping on The Ankle Proprioception in Normal Subjects (일반인의 발목관절에 키네시오 테이핑 적용이 고유감각에 미치는 영향)

  • Lee, Suk-Ju;Lee, Sin-Young;Lee, Da-Seul;Oh, Joo-Young;Kim, Jang-Gon
    • Journal of Korean Physical Therapy Science
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    • v.23 no.1
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    • pp.18-23
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    • 2016
  • Purpose : The purpose of the present study is to report the effect of proprioception of ankle after kinesiotaping application on ankle. Method : This study has conducted to target 30 average adult subjects with no damage to the ankle joint (16 males and 14 females). The group is divided into experimental group and sham groups in random way. The subjects in the experimental group are applied taping kinesiology on ankle joint. The subjects in the sham group are applied a sham taping on the ankle joint which is not actually affected for real ankle joint problem. Each subjects in both groups has tree trials in plantarflexion, dorsiflexion, inversion, and eversion before and after application of the kinesiotaping or sham taping of the bare footed ankle. The outcome were determined from the difference between the target angle and the trial angle produced by the subject. Results : These results from the experiment shows that the experimental group compared to the difference in kinesiotaping angle values were significantly different from each dorsiflexion (DF), eversion (EV) (p<.05). Otherwise, in the sham group did not produce significant differences in any joint movement. In addition, when we compared between two groups (the experimental and sham groups), it did not show that there was significant differences. Conclusion : First, there is no significant difference between the sham group and kinesiotaping group after proprioceptive tests. Second, even though there is no significant outcome in statistical analysis, there is actual differences in the experiment. This result might be ceiling effect, and if the kinesiotaping were applied to actual ankle injury patients, this taping treatment could be very effective for curing this patient.

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Analysis on the Effects of Renewable Policies in OECD Countries Using Dynamic Panel Model (동적 패널 모형을 이용한 재생에너지 정책의 OECD 국가 재생에너지 보급 효과 분석)

  • Kim, Eunsung;Heo, Eunnyeong
    • Environmental and Resource Economics Review
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    • v.25 no.2
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    • pp.229-253
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    • 2016
  • To achieve the socially optimum level of renewable generation, governments should design renewable policies to induce renewable technologies competitive with conventional generation technologies. And to do that, it is needed to understand how each policy has been effective in promoting renewables for power sector. In most of the literatures, there are two key limitations that they did not considered autocorrelation problem using the amount of generation from renewables as a dependent variable and technology innovation which needs to be preceded technology adoption. In this study, I try to overcome these two problems by using dynamic panel model and adding an additional variable for technology innovation. According to the result, FIT has been effective rather than RPS in promoting renewables for generation and I found the possibility that the counterintuitive results which commonly appeared in existing studies might be due to the two limitations mentioned above.

한국의 CO2 배출, 경제성장 및 에너지믹스와의 관계 분석

  • Jeong, Yong-Hun;Kim, Su-Lee
    • Environmental and Resource Economics Review
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    • v.21 no.2
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    • pp.271-299
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    • 2012
  • The relationship between environment and economic growth has been controversial for a long time. The cores of controversy are endogeneity problem and omitted variable bias. This paper tests EKC (Environmental Kuznets Curves) hypothesis by considering econometric issues and estimates the effects of energy mix on $CO_2$ emissions empirically and tests with time series during 1981~2008. By the results of this analysis, we convince EKC Hypothesis which the relationship between $CO_2$ emissions and economic growth is the inverted U-shaped and the national energy mix contributes significantly to GHG mitigation. We also find that the nuclear energy has the greatest contribution for $CO_2$ mitigation and the renewable energy does not seem to contribute little to the $CO_2$ mitigation because the proportion of renewable energy in Korea is negligible. In terms of final energy consumption, $CO_2$ increases and transportation sector is statistically and significantly associated.

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A Geopolitical Approach of Transfrontier Peace Park in Southern Africa : Implication for the DMZ International Eco-Peace Park (남부아프리카 초 국경평화공원의 지정학적 접근: DMZ 세계생태평화공원 조성에 주는 시사점)

  • Moon, Nam Cheol
    • Journal of the Korean association of regional geographers
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    • v.23 no.2
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    • pp.311-324
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    • 2017
  • This study has the purpose of geopolitical analysis on the role, function and problem of (trans) frontier park in Southern Africa. Frontier parks in Southern Africa had been used as a buffer zone between colonial empires and British colonial administration during the colonial period and as an interdiction zone of communism and black liberation movement during the apartheid regime, the cold war and the civil war. The ecological transfrontier peace parks in Southern Africa which is integrating the adjacent Frontier parks is utilized as a means of a conflict resolution and peace building after the end of cold war, civil war and apartheid regime, The ecological transfrontier peace parks in Southern Africa is very highly regarded as an effective means for a conflict resolution and peace building. But it is also being criticized for a reproduction of South Africa's politico-economic domination and of a socio-spatial division between racial groups.

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Setting Instructional Goals for Nutritional Education Program Through an Analysis of Problems Identified in Junior/senior High School Students (중 고등학생 대상 영양교육 목표 설정을 위한 영양 관련 문제점 분석)

  • 양일선;이해영;김혜영;강여화
    • Korean Journal of Community Nutrition
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    • v.8 no.4
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    • pp.495-503
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    • 2003
  • For the purpose of developing 'Web-Based Nutritional Education Program', this study analyzed nutritional problems of junior/senior high school students and set appropriate instructional goals for nutritional education program. Survey questionnaires were distributed from October 21,2002 to October 26, 2002 to a total of 564 students at three junior high schools and five senior high schools located in Seoul. The total number of questionnaires collected and used in our study was 479, which is 84.9% of the total questionnaires distributed. According to the survey results, three student groups (male and female students at junior high schools and female students at senior high schools) had lower than an ideal body weight. In case of their Basal Metabolic Indices (BMI), the female students and junior high school students showed a tendency to be underweight, while the other three student groups were within the normal range. The result of the survey showed that all four groups of students showed a deficiency in nutrient intake of calories, calcium and thiamin when compared with Korean RDA. Particularly, in the case of the female students at senior high schools, the deficiency of iron intake was a problem. The survey about food attitudes and food habits of the students showed that the senior high school students had more problems when compared with their junior high school counterparts (p < .001). Therefore, the instructional goals of nutritional education program were set as follows: 1) To improve the level of understanding and the perception of junior and senior high school students about the importance of a dietary lifestyle. 2) To change food attitudes and nutritional knowledge related to individual dietary 1ifestyle, so as to maintain good health through the enhancement of the students' physical activities. We found out that it is critically important to factor in the existing problems of food attitudes and food habits, as well as nutrient intake among junior and senor high school students when setting objectives for nutritional education programs. (Korean J Community Nutrition 8(4) : 495-503, 2003)

An Empirical Study on Students' Problems of Internet-based Distance Learning (인터넷 원격교육에서 학습자 관점의 문제점에 관한 연구)

  • Nam Sang-Zo
    • The Journal of the Korea Contents Association
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    • v.6 no.3
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    • pp.102-107
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    • 2006
  • While Internet-based distance learning has proliferated, its educational effectiveness remains controversial. As such, investigation into the problems of Internet-based distance learning is important and fundamental for an assessment of its educational effectiveness. In this study, problems of Internet-based distance learning are grouped into four categories, environmental problems, student problems, course design problems and operational problems. Based on survey data from 606 distance learning participants, perceptional and relative seriousness of problems are analysed. The results indicate that perceptional seriousness of all the problems is not statistically important. However, the findings indicate that the relative seriousness of self willingness among student problems and cheating within operational problems is most remarkable. In contrast, the relative seriousness of traditionally recognized problems such as H/W availability and network speed among environmental problems is least remarkable. An analysis of demographic differences such as sex, employment and age in terms of seriousness of problem is also performed. The results reveal the existence of statistically significant differences according to sex, employment, and age difference with regard to seriousness of problems.

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GE 7FA+e DLN-2.6 Gas Turbine Combustor : Part Ⅰ Operating Condition Optimization (GE 7FA+e DLN-2.6 가스터빈 연소기 연구 : Part Ⅰ 운전조건 최적화)

  • Oh, Jeong-Seog;Kim, Min-Ki;Heo, Pil-Won;Lee, Jang-Soo;Yoon, Young-Bin
    • Journal of the Korean Society of Propulsion Engineers
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    • v.12 no.5
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    • pp.43-50
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    • 2008
  • DLN-2.6 combustion tuning was carried out for the maintenance of GE 7FA+e gas turbine at Seo-Incheon combined cycle power plant. DLN-2.6 combustion system has the higher level of yellow plume and combustion vibration problem in the initial operating mode than that of the base mode($100{\sim}160MW$). The objectives of this study are to investigate the causes of yellow plume and combustion vibration problems at the starting mode and to suggest the best operating condition for the reliable working of the real combustors. By the analysis of tuning data, we could conclude that a yellow plume is caused by the rich mixture(${\phi}{\sim}1$) in a PM 1 nozzle at mode 3($20{\sim}30MW$). In addition, the combustion vibration($120{\sim}140Hz$) might be related to the cold flow characteristics of PM 3 nozzles at mode 6B($40{\sim}45MW$).

GE 7FA+e DLN-2.6 Gas Turbine Combustor : Part II Design of Lab Scale Dump Combustor (GE 7FA+e DLN-2.6 가스터빈 연소기 연구 : Part II 모형 덤프 연소기 설계)

  • Oh, Jeong-Seog;Kim, Min-Ki;Heo, Pil-Won;Lee, Jang-Soo;Yoon, Young-Bin
    • Journal of the Korean Society of Propulsion Engineers
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    • v.12 no.5
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    • pp.51-59
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    • 2008
  • DLN-2.6 combustion tuning was carried out for the maintenance of GE 7FA+e gas turbine at Seo-Incheon combined cycle power plant. DLN-2.6 combustion system has the higher level of yellow plume and combustion vibration problem in the initial operating mode than that of the base mode($100{\sim}160MW$). The objectives of this study are to investigate the causes of yellow plume and combustion vibration problems at the starting mode and to suggest the best operating condition for the reliable working of the real combustors. By the analysis of tuning data, we could conclude that a yellow plume is caused by the rich mixture(${\phi}{\sim}1$) in a PM 1 nozzle at mode 3($20{\sim}30MW$). In addition, the combustion vibration($120{\sim}140Hz$) might be related to the cold flow characteristics of PM 3 nozzles at mode 6B($40{\sim}45MW$).

A Study of the Thematically Integrated Information Literacy Curriculum for Strengthening its Relationship with Curricula (교과 연계성 강화를 위한 학습주제 중심의 통합 정보활용교육과정에 관한 연구)

  • Song, Gi-Ho;Kim, Tae-Soo
    • Journal of the Korean Society for information Management
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    • v.25 no.3
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    • pp.41-64
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    • 2008
  • This study sought to develop an integrated information literacy curriculum that would have a strong relationship with curricula through the standard themes abstracted from theme network structures, scan and cluster analyses of the information literacy curricula. In addition, this study also attempted to develop a teaching-learning model for the developed integrated information literacy curriculum. This study utilized the themes of information literacy instruction that have interdisciplinary characteristics as analysis criteria in analyzing the commonality of information literacy instruction and the subject curricula. The following characteristics were found from the analyzing the areas of commonality. Foremost, the first themes(the fields of basic learning skills and nature) which belongs to the fields of information society, library, information technology, collaborative skills were found to have many relationships with the subject curricula. Next, the second themes(the field of information problem solving capabilities) which is the core field of information literacy instruction showed a weak relationship with the subject curricula.

The Analysis of the Investigation the Actual Conditions on the Management of Native Local Data of Cultural Center (문화원의 향토자료 관리 실태분석)

  • Moon, Jeong-Hee;Chang, Woo-Kwon
    • Journal of the Korean Society for information Management
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    • v.25 no.3
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    • pp.297-320
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    • 2008
  • Although the native local data is being deemed important in the age where historical records are regarded as important, currently it is hard to find out detailed actual state of local data, because it is now being collected and managed by many institutions and individuals. This study is aimed at surveying the current state of management of native local data possessed by local cultural center, one of institutions that produce and manage local data, and suggesting a desired alternative idea of cultural center for management of native local data, through the problems found by the research. As the result, the current state of data management of the local cultural center are as follows: First, local data management in the local cultural center as the problem in poor surroundings and a financial question get local data-related education make systematic data collection and management unavailable. Second, local data depends on the extent of its awareness of it. each and every cultural center shows a significant deviation in the extent of execution of local data-related project. Third, even though the publication business of the cultural center is being lively executed, it attaches importance to the history of local authority rather than to the residents' life, and it should not be supplemented in applying it to education and production of cultural contents.