• Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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• v.13 no.1
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• pp.31-39
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• 1995

We have various methods of measurement for a safety diagnosis of outworn structure, but these methods to find a variation of structure are not convincible with it's exactness and confidence. We have to lay out a scheme for a solution of these problems and improve a visibility of result. In this study, we studied a optimized solution for close-range photogrammetry to offer the more reliable method compare to conventional method and to improve it's confidens and visibility of output. For obtaining these effects, we manufactured the plane models and curved surface ones each devided into two types, normal case and obilique case. In this way, we got a optimum solution to increase a confidence level and visibility of photogrammetry. And actually, this study will be a good way to measure a variation of structures.

• Journal of Korea Technology Innovation Society
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• v.5 no.2
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• pp.245-256
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• 2002

Measurement standards, as being widely recognized, is necessary for national economic development and advanced industrialization. Also measurement standards give reliability and fair trade to the producers and consumers. Macro-effect of measurement standards using estimation of cost function has four effects: 1) value-added causing effect, 2) effect of employment, 3) reduction effect transaction cost, 4) reduction effect defect rates. In this study, to investigate the impacts between specific and the other industries, we used I-O Table of Korea Bank. The relation between the value-added produced by original production factors and final use is determined through production level, and the relation can be investigated with production causing coefficient matrix. In this study, it was showed that the measurement standards investments including measurement only man power of industries were increased from 1995 rapidly. The establishment and maintenance of measurement standards contributes to reduce the defect rate of products in production process and improve the confidence of the product quality. The results from this study show that measurement technology contributes to improve quality, decrease defect rate, improve production process, develope new products, reduce prime cost and increase the consumer's confidence on the firms. Since these results indicate that measurement standards are very important in the point of their vast contribution, we hope our findings can contribute to encourage measurement activities in industries.

• Journal of Radiation Protection and Research
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• v.24 no.3
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• pp.171-184
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• 1999

In this paper, using statistical theory the basic concepts and the formulars of lower limit of detection were deasribed. Assuming that risks of 5% are acceptable (95% confidence level), lower limits of detection were calculated on the measuring apparatus for alpha, beta and gamma nuclides. Also, on the basis concepts of lower limit of detection, the MDA values were calculated for the radionuclides detected easily in the environment. These results make it possible to evaluate confidence limits on the radioanalytical results in the environmental sample.

• Journal of Digital Convergence
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• v.6 no.2
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• pp.145-155
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• 2008

The purpose of this research is to investigate the effects of the Cyber Home Learning Motivation Factors on its satisfaction and activation through surveying the actual conditions among the students present at a cyber home learning class. For this study, samples were collected around the end of a term from the students(300 in pilot test and 248 in main test) who were taking Cyber Home Lecture at high school level. Structural equation model by AMOS 5.0 was used to analyze the data. The result of our analysis is summarized as follows. First, the cyber home learning satisfaction has a positive effect on the cyber home learning activation. Second, the 4 factors of the cyber home learning motivation: relevancy, self-confidence and satisfaction has a positive effect on the cyber home learning satisfaction. But the factor 'attention' has no positive effect on the cyber home learning satisfaction. Therefore, the Good Cyber Home Learning Contents should provide the information quality which meets 3 conditions: relevancy, self-confidence and satisfaction.

• Industrial Engineering and Management Systems
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• v.15 no.4
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• pp.345-353
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• 2016

One of the main concerns of the present age, is attending to the issue of sustainability that in recent decades, the concept of it has grown in terms of recognition and importance. Sustainability have defined further the development of the welfare and living standards of the present generation, without the lives of future generations is at stake. One of these tasks of the business is project management and today, "green or sustainable project management" as one of the most important global trends of project management have been identified. The issue of present study was to investigate the relationship of sustainability factors with success of a project. The population of the research consists of directors of oil and gas in the South Pars region including 150 people that according to Cochran formula, the number of samples were obtained 108 people. In this study, data collection was conducted based on a structured questionnaire that from a sample set of questions was used for sustainability impact on 6 scale of project management success. For this purpose, the whole five-item Likert has been used. Also for statistical analysis, PLS software was used. The results of path analysis at confidence level of 95%, showed a significant relationship exists between "sustainability factor" and "project success criteria." Since the correlation coefficient is positive, so this type of relationship is positive. Thus all the hypotheses at confidence level of 95 percent was confirmed and it became clear that there is a significant positive relationship between "sustainability factors" and "project success criteria."

• Journal of Korea Game Society
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• v.8 no.2
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• pp.37-46
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• 2008

Underachievers, having had more experience with failure in teaming, tend to lose their self-confidence and motivation for study. If they achieve more when studying, they will enhance their self-confidence and motivation and their learning accomplishments will be increased. A game-style learning system was, therefore, developed in which the learner gains self-satisfaction and motivation with a proper 'hit and win' in a game-style program. The system supplies learning content automatically and randomly while adapting to the student's level by continuously checking the learning progress. Positive effects in motivation and learning achievement were recorded when underachievers used this program.

• International Journal of Computer Science & Network Security
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• v.24 no.7
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• pp.1-10
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• 2024

Software architecture are High-level design decisions shaping a software system's components, structure, and interactions. It can be a blueprint for development, evolution, and ongoing maintenance. This research investigates the communication practices employed by software architects and developers to ensure adherence to the designed software architecture. It explores the factors influencing the selection of follow-up methods and the impact of follow-up frequency on successful implementation. Findings reveal that formalized follow-up procedures are not yet a ubiquitous element within the software development lifecycle. While electronic communication, particularly email, appears to be the preferred method for both architects and developers, physical and online meetings are utilized less frequently. Interestingly, the study suggests a potential confidence gap, with architects expressing concerns about developers' ability to faithfully implement the architecture. This may lead to architects providing additional clarification. Conversely, while most developers reported confidence in their software knowledge, overly detailed architecture documentation may pose challenges, highlighting the need for architects to consider alternative communication strategies. A key limitation of this study is the sample size, restricting the generalizability of the conclusions. However, the research offers valuable preliminary insights into the communication practices employed for architecture implementation, paving the way for further investigation with a larger and more diverse participant pool.

• Journal of dental hygiene science
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• v.18 no.1
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• pp.1-8
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• 2018

Stroke is the second cause of death worldwide, although the survival period is increasing after the occurrence of stroke, severe physical disability is caused with aftereffect. Oral inflammation is not limited to the oral cavity, it can cause malignant changes in other tissues and organs. In previous studies, we confirmed the relationship between tooth loss and stroke due to periodontal inflammation. The purpose of this study was to investigate the relationship between oral health and stroke such as oral hygiene behavior, tooth loss and periodontal disease among Korean adults over 40 years of age. This study was analyzed using the 6th Korea National Health and Nutrition Examination Survey (KNHANES) data. A total of 3,389 adults over 40 years of age were analyzed as final subjects. Socioeconomic statuses and oral health status was analyzed using a complex sample analysis technique. Logistic regression was used to analyze the relationship of oral health and stroke, and 95% confidence intervals were computed using SPSS. When the prevalence of stroke according to oral hygiene behavior was checked, the prevalence of strokes was lower in subjects who had a lot of brushings per day and subjects who used oral hygiene products (p<0.05). The risk of stroke was 2.17 times (95% confidence interval, 1.43~3.28) higher in the group with less than 19 remaining teeth, but it was not statistically significant as a result of adjusting for age and sex, income level, education level, drinking and smoking (p>0.05). Loss of teeth was found to be associated with the risk factor of stroke. Therefore, loss of teeth due to periodontal disease is an additional issue that should be considered as a risk factor for stroke.

• Journal of muscle and joint health
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• v.25 no.1
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• pp.21-29
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• 2018

Purpose: The purpose of this study was to investigate the effects of a community-based empowerment program for resident leaders participating in the Healthy Apartment project. Methods: The design of this study was a single group pre-post test design. This program was consisted of 4-hour sessions. The total participants were 22 leaders. Results: The participants showed significant changes in social support (Z=-2.33, p=.020), collective action (Z=-3.91, p<.001), conflict and homogeneity (Z=-2.03, p=.042), and community perception index (Z=-3.97, p<.001) as sub factors of the individual level of SC-IQ (Integrated Questionnaire for the Measurement of Social Capital). They also showed significant changes in necessity of the resident organization (Z=-4.13, p<.001), resident participation (Z=-3.84, p<.001), convergence of resident opinion (Z=-3.94, p<.001) and the role of community leaders (Z=-3.94, p<.001) as sub factors of the perception and confidence of resident leaders (Z=-3.85, p<.001). Conclusion: Results indicate that the community-based empowerment program is effective in perceptions of social capital on the individual level and improvement of recognition as resident leaders and confidence for resident leaders.

• Economic and Environmental Geology
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• v.32 no.2
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• pp.189-201
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• 1999

Paleomagnetic and rock magnetic investigations have been carried out for the Cretaceous Hanyang Group, exposed in the Yongyang Sub-Basins within the Kyeongsang Basin, eastern South Korea. A total of 452 oriented core samples was drilled from 31 sits for the study. The in-situ site mean direction is more dispersed than the mean direction after bedding correction, indicating that the fold test is positive at 95% confidence level. In addition, the stepwise unfolding of the characteristic remanent magfold test is positive at 95% confidence level. In addition, the stepwise unfolding of the characteristic remanent magnetization reveals that a maximum value of k is observed at 90% unfolding. Furthermore, the rock magnetic investigations and electron microscope observations of the representative samples show that the main magnetic carrier of the Hayang Group is the detrital specular hematite of single and pseudo-single domain sizes with negligible contribution of pigmentary hematite grains. These results collectively imply that the ChRM direction is the primary component acquired at the time of the formation of the strata. Provided the primary nature of the ChRM, a magnetostratigraphic correlation between polarities of the studied formation and the Geomagnetic Time Scale indicates that the Hayang Group in the Yongyang Sub-Basin can be correlated to the Cretaceous Long Normal superchron. The paleomagnetic pole position from this study is significantly different from those of the Hayang group in the Euiseong the Milyang sub-Basins. Rather the paleomagnetic pole position of the Hayang Group of the study area is closer to that of the Quaternary period or present time of the Korean Peninsula. It is hypothesized that the study area might be rotated about 25$^{\circ}$ aticlockwise with respect to the Euiseong and Milyang Sub-Basins after the formation of the strata and aquisition of the ChRM, although there is not enough geologic evidence supporting the rotation hypothesis.