KSCE Journal of Civil and Environmental Engineering Research
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v.38
no.5
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pp.751-760
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2018
Currently, the quality measurement of the work is carried out by the supervisor's visual inspection, as the workers individually judge the number of resolutions, thickness, speed and vibration. After work, we are conducting follow-up work through traditional spot test, which is less representative. Therefore, it is impossible to check the results of the resolution, and there is always the possibility that problems will arise due to poor construction. This study demonstrates the feasibility of using the continuous compaction strength measurement method by comparing the continuous compaction strength measurement method and the conventional compaction strength measurement method after performing the compaction in the actual field scale in various test conditions. The validity is verified by analyzing the Compaction Meter Value of an Intelligent Compaction roller composed of a Global Positioning System and an accelerometer, Based on the proven results, a full range of quality can be confirmed without a single test. The quality confirmation is visualized in the compaction control program developed in this study, This enables the field manager to perform real-time quality monitoring at the same time as compaction.
Necessity of adjustment in level of difficulty of national examination for radiological technologists is being brought up. However, objective reasons are required to make those arguments more valid. Therefore in this research, result of national examination for radiological technologists under present system was analyzed in more convergence perspective via statistical analysis. This will provide basic data which is applicable when system of national examination for radiological technologists undergo improvements. For this, statistical analysis such as descriptive statistics and correlation analysis was conducted using SPSS program. Results are as follow. First, ratio of successful applicants for radiological technologists was highly fluctuant relative to other national examinations like doctor, nurse, physical therapist, etc. Second, level of difficulty and discernment of national examination for radiological technologists were differentiated from other examinations like doctor, nurse, physical therapist. Third, the 43th examination for radiological technologists conducted in 2015 had the highest discernment as 0.41, despite of lowest level of difficulty as 89.2, for radiologic applications. The results of this research is expected to be used as basic data when system of national examination for radiological technologists undergo improvements, in accordance with increased supplying plan of work-forces in medical radiological technologists.
Cheong, Won;Yim, Jun;Oh, Dae-Kyu;Im, Jeong-Soo;Ko, Kwang Pil;Kim, Yun Mi
Journal of agricultural medicine and community health
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v.38
no.2
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pp.108-115
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2013
Objective: This study aimed to examine the effects of chronic disease management program based on clinics for blood pressure control or glycemic control in patients with hypertension or type 2 diabetes mellitus in Incheon. Methods: An observational follow up study was done on 11,501 patients registrated at clinics from January 1st to December 31st, 2010 in Incheon. Experience of education and mandatory laboratory tests were assessed with the registration data and income status was identified by National Health Insurance data. The odds ratio and 95% confidence intervals were derived from logistic regression models. Results: The experience of education has a positive effect for blood pressure control in the non-control group with hypertension at the time of registration (Odds ratio 1.357, confidence intervals: 1.112~1.655). The experience of mandatory laboratory tests has a positive effect for blood pressure control in the control group with hypertension at the time of registration (Odds ratio 1.738, confidence intervals: 1.387~2.178). But the effects of the experience of education and mandatory laboratory test in patients with type 2 diabetes mellitus were not identified. Conclusions: This study revealed the relationship between the experience of education or mandatory laboratory testing and blood pressure control in patients with hypertension.
Purpose: In this study, a comparison was done of the extent of health-related quality of life (HRQoL) for preterm and fullterm children during early childhood, and factors affecting HRQoL in the early childhood of premature children were analyzed. Methods: Eighty mothers of children born prematurely and 83 mothers of children born at fullterm listed on two Internet cafes were sampled for this study. The major instrument used for the study was the TNO-AZL Preschool Quality Of Life (TAPQOL) questionnaire. Results: Total score for HRQoL in the premature group was 80.5 (${\pm}9.9$) and for the full term group, 85.0 (${\pm}8.3$), on a 100-point scale. A comparison of the premature group and full term group showed that the domains which scored relatively lower with respect to HRQoL included the stomach, motor function, anxiety, liveliness and communication. Among the factors that have an impact on HRQoL were 'length of stay in neonatal intensive care unit (${\geq}7$ days)' and 'birth weight (<1,000 gm)'. The explanation power of the model was 17%, which was statistically significant. Conclusion: These findings indicate that a differentiated premature infant follow-up program for children who are hospitalized over 7 days in NICU or weighed under 1,000g at birth is urgently needed.
Journal of Dental Rehabilitation and Applied Science
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v.32
no.4
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pp.280-292
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2016
Purpose: The purpose of this study was to compare the long-term survival rate and peri-implant marginal bone loss related to multiple risk factors including the clinician's experience. Materials and Methods: Four hundred twenty implants in 146 patients, who had involved a supportive periodontal therapy program every 3 to 6 months and had follow up data for at least 5 years, were selected as the study group. Peri-implant marginal bone loss, data of demographic, implant and surgical characteristics were collected from peri-apical radiographs and chart review. Implant survival was regarded as the remaining with radiographic marginal bone level in excess of 50% of the fixture length for any reason. Results: The cumulative survival rate after 5 years of loading was 94.9%. In binary logistic regression analysis, smoking status (P = 0.033) and presence of spontaneous cover screw exposure (P < 0.001) were significantly related to 5-year survival of implants. In stepwise multiple regression analysis, smoking status (P < 0.001), type of abutment connection (P < 0.001) and implant surface (P = 0.033) were significantly related to peri-implant marginal bone level. And the year of resident was not statistically related to 5-year implant survival in simple logistic regression analysis (P = 0.171). Conclusion: Smoking status, spontaneous cover screw exposure, type of abutment connection and implant surface might influence the implant success. There was no significant correlation between the year of resident and implant failure.
The purpose of the Convergence study is to analyze the impact of students' satisfaction and educational performance through research on overall educational service quality factors for beauty academies. The subjects of the study were conducted from March 29 to April 12, 2020 for those in their 10s and 40s attending beauty academies in Seoul, Gyeonggi-do and Incheon, and 377 surveys were analyzed and used for research. Multiple regression analysis was performed using the SPSSWIN 21.0 program for research purposes. As a result of the study, the higher the level of empathy, reliability, responsiveness, type, and certainty of educational service quality, the higher the satisfaction level of the class. The higher the satisfaction level, the higher the educational performance. Based on these research results, measures to improve the quality of education services that can enhance the satisfaction and educational performance of beauty academies should be improved by diversifying educational methods and contents and enhancing the quality of education and service expertise. The expertise of education should be strengthened to improve competitiveness. Therefore, follow-up research is needed to develop various programs to enhance future course satisfaction and educational performance and to develop education methods to enhance the quality of beauty education services.
Seo, Jihye;Lee, Byung-Wook;Park, Woo-Sun;Won, Deokhee
Journal of Korean Society of Coastal and Ocean Engineers
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v.30
no.1
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pp.10-18
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2018
Recently, a port city has been gradually expanding near coastal area, and many facilities for tourism and waterfront have been constructed near the shore. When storm surge developed by typhoon have occurred, coastal facilities have a lot of damage and failure with loss of life caused directly by the waves. Various barriers have been suggested to protect property and human life from disasters, they have not been widely applied though. Because they do not satisfy the recent trends that emphasize the surrounding scenery. In this study, a moveable barrier on revetment is proposed against wave overtopping. This moveable barrier has two function, sightseeing and protecting. In case of usual day, it is installed on the revetment and used observatory deck for sightseeing. When wave overtopping has occurred by storm surge, it protect coastal area through changing of flat deck to triangular barrier. The hydraulic and the structural performance of the newly proposed movable barrier was investigated through numerical analysis using commercial program. As a results, this structure has numerically good performance, and follow-up research is required through experimental tests though.
Journal of the Korea Academia-Industrial cooperation Society
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v.16
no.5
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pp.3180-3187
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2015
Appreciative inquiry is applicable to schools to minimize the resistance of the members, and the subject of the school community Forming is suitable for the introduction of an AI program. But to become a way for a sustainable school community we must reconstruct the 4D modes of appreciative inquiry that the members can be applied as needed. In this paper, we propose the process of seven steps core learning activities based on systems theory. Seven steps are selecting a theme, interviewing for finding success story, analyzing an organization's success stories and deriving the core values, deriving future of the organization, sharing future of the organization, designing the ideal future of the organization consist of a practice. Since the proposed seven steps process is based on the literature it is necessary to apply follow-up study is to verify the result, and a variety of research methods for process improvement in AI.
This study aims to define structural relations of security science majors' career satisfaction, career identity and career decision-making self efficacy. In addition, as confirming immediate effects, indirect effects as well as total effects, the study offers basic materials for reasonable career exploration and career program development. In order to achieve the research goals above, the study conducted a survey targeting a total of 239 college students specializing in security science and carried out a structural equation model analysis. Findings of the research are summarized as follows. First of all, major satisfaction turned out to have significant influences on career decision, career certainty and career interest. Second of all, the study found out that both relationship satisfaction and general satisfaction are significantly connected with career decision and career certainty. Third of all, social awareness appeared to have a significant influence on career interest. Fourth of all, the study learned that in terms of career decision and career certainty, they are all significantly related to problem solving, information collection and plan development. As for career interest, the study noticed how significantly if affects both problem solving and information collection. Fifth of all, major satisfaction was observed to have mediating effects on problem solving and information collection through career decision. Sixth of all, via career certainty, major satisfaction has mediating effects on problem solving as well as information collection. Seventh of all, when it comes to relationship satisfaction, it has mediating effects on problem solving, information collection and plan development through career interest. Eighth of all, career decision helps general satisfaction have mediating effects on problem solving and information collection. Focusing on the research results above, the study discussed implications in relation to security science including advices for any follow-up researches.
The Journal of Korean Society for School & Community Health Education
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v.12
no.2
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pp.13-27
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2011
Objectives: This study aims to analyze recognition and problems of in Daegu local college students on sexual violence and figure out major factors to prevent sexual violence and to use as necessary basic resources for the improvement of individual and social recognition and effective sexual education. Methods: The Data from 255 students (85%) out of 300 excluding questionnaires with insufficient answers were under analysis using Excel Program and SPSS Win 17.0 for cross-tabulations and correlation analysis. Significance test were performed using $x^2$-test. Results: 1) As to recognition of sexual violence by gender, 88.2%(60) of male and 91.4%(171) of female students conceived the current sexual violence level is hazardous which shows female students had slightly higher recognition. 2) As to recognition of sexual education by gender, both conceived it for equipping proper value system of sex(55.9% of male & 61.5% of female student). 3) As to prevention and coping with sexual violence by gender, 58.8% of male students and 65.2% of female students answered that prevention is possible. 4) As to the correlation between sexual violence factors, it showed positive (+) correlation in the experience of sexual education and the recognition of sexual violence level, in the recognition of sexual violence level and the recognition of sexual violence responsible scope, and in the possibility of sexual violence prevention and the recognition of sexual crime prevention law. 5) As to the recognition and measurement by experience of sexual education, among those who answered the current sexual violence level was hazardous 91.8% had previous sexual education experience and 83.3% had no experience. 6) As to the recognition and measurement of sexual violence by experience of sexual violence (self-determination), those with sexual education experience (79.8%) had little experience in sexual violence than those with not (91.6%). 7) As to the recognition and measurement of sexual violence by the possibility of preventing sexual violence, it showed statistically significant difference in the reason of increase of sexual violence(p<0.01). Conclusions: Accordingly, to provide systematic and sustainable sexual education, individualized education considering gender, individual development rather than standardized group education in its teaching method is necessary, and follow-up evaluation and feed-back system should be implemented to assess achievement and recognition of sexual education.
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