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4 results on '"Tae Jun Kim"'

2. Optimum Structural Design for the LNG Fuelled Container Ship.

Author

Tae Jun Kim, Joo Hyun Kim, Hoon Kyu Oh, and Byung Ki Choi

Abstract

The main objectives of this study are to carry out technical feasibility study on the concept of the LNG fuel tank (prismatic IMO type B) and its supports equipped in 14,500 TEU container ship. The design of the fuel tank structures considering characteristics of the container ship was suggested in this study. Structural analysis, fatigue analysis and crack propagation calculation were performed to verify the adequacy of the structural arrangement and strength of the fuel tank structures. In addition, stress-concentrated area of the hull due to structural discontinuity between existing open deck and additional closed deck for the fuel tank and the fuel gas supply system (FGSS) room has been evaluated through whole ship structural analysis. [ABSTRACT FROM AUTHOR]

Published
2016

3. One-dimensional and 2-dimensional tumor size measurement for prediction of lymph node metastasis in differentiated early gastric cancer with minute submucosal invasion.

Author

Tae Jun Kim, Hyuk Lee, Yang Won Min, Byung-Hoon Min, Jun Haeng Lee, Kyoung-Mee Kim, Min-Ji Kim, Kyunga Kim, Poong-Lyul Rhee, and Kim, Jae J.

Abstract

Background and Aims: Differentiated minute submucosal cancers measuring ≤3 cm that exhibit no lymphovascular invasion are considered eligible for endoscopic resection; however, the ≤3-cm criterion remains debatable. The aim of this study was to verify the optimal tumor size cutoff for endoscopic resection eligibility, and to determine whether 2-dimensional tumor size measurement would be more accurate for this purpose. Methods: The clinicopathologic data for 574 patients undergoing curative surgery for differentiated minute submucosal cancer were reviewed retrospectively. A receiver operating curve analysis and bootstrapped samples were used to identify the optimal cutoff values for predicting lymph node (LN) metastasis. Results: Four hundred fourteen patients were eligible for the study. LN metastasis accompanied 2.5% of differentiated minute submucosal cancers that were ≤3 cm in size and lacked lymphovascular invasion. There was no lymph node metastasis in the tumors with 1-dimensional sizes ≤1.0 cm and 2-dimensional sizes ≤1.0 cm2. When 10,000 bootstrapped data were used, optimal cutoff values were 2.9 cm (LN metastasis: 2.1%) and 8.3 cm2 (LN metastasis: 2.5% incidence) for 1- and 2-dimensional tumor size, respectively. Although the area under the curve was 0.611 (P = .046) for 2-dimensional size, specificity and accuracy were greater for the dichotomized 2-dimensional measure than for the dichotomized 1-dimensional measure (P < .001, McNemar test). In addition, 2-dimensional tumor size was the only significant risk factor for LN metastasis (odds ratio, 1.09; 95% confidence interval, 1.01-1.20). Conclusions: One- and 2-dimensional cutoff values of 2.9 cm and 8.3 cm2 might be suitable for patients at high risk of postoperative morbidity and mortality. Two-dimensional tumor size is an acceptable measurement method for estimating the risk of LN metastasis. [ABSTRACT FROM AUTHOR]

Published
2017
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4. The Study of Measuring and Developing Citizenship in the Context of Social Capital for Regional Human Resource Development.

Author

Tae Jun Kim and Young Ha Cho

Subjects
CITIZENSHIP, SOCIAL capital, HUMAN capital, LABOR economics, EDUCATION
Abstract

This study attempted to look at citizenship-specific factors from the perspective of forming social capital by hypothesizing four conceptual domains ? national identity, trust & sharing values, rights & responsibility, and active in public affairs- and the corresponding components of citizenship and analyzing how the citizenship-specific factors differ by age and generation in Korea. This study was the first step to develop internationally applicable standard to measure social capital for regional human resource development. Although the overall results indicated that level of Korean citizenship is reasonably high in terms of knowledge, attitudes, and behaviors, the conscious level for adults was lower than that for elementary and secondary school participants when concrete responses to the items within each conceptual domain were interpreted. Moreover, inconsistency between attitudes and behaviors was more obvious in adult group than in others. Such results give significant implication to Korean society and educational system. Korean education has mainly depended on knowledge attainment by rot memory to help students possess desirable citizenship. It causes conflict when the obtained theory-based knowledge is applied to practice. Accordingly, practice-based learning method of civic education is a key to overcome the problems revealed in this study. [ABSTRACT FROM AUTHOR]

Published
2004
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