• Survey Research
• /
• v.11 no.1
• /
• pp.107-121
• /
• 2010

The purpose of this paper is to design and implement a Computer Assisted Personal Interviewing (CAPI) system for Panel Survey of Employment for the Disabled (PSED) using Blaise software developed by Statistics Netherlands which is a powerful and flexible system used for computer-assisted survey processing. CAPI system for PSED is consisted of three parts, which are survey management program, electronic questionnaire program, and postprocessing program. These programs are constructed with modular approach and are integrated into CAPI system. The developed software is highlighted in its reusability which results in the improved efficiency and reduced cost of software maintenance. CAPI system for PSED proved its effectiveness in carrying out the survey by guaranteeing correctness of survey data, improved timeliness of survey, easy reforming the questionnaires, easy control on the interviewers, and rapid data processing in spite of the complexity of PSED.

• Transactions of the Korean Society of Mechanical Engineers A
• /
• v.28 no.4
• /
• pp.427-434
• /
• 2004

Ferritic stainless steel is recently used in high temperature structures because of its good properties of thermal fatigue resistance, corrosion resistance, and low price. Tensile and low-cycle fatigue (LCF) tests on 429EM stainless steel used in exhaust manifold were performed at several temperatures from room temperature to 80$0^{\circ}C$. Elastic Modulus, yield strength, and ultimate tensile strength monotonically decreased when temperature increased. Cyclic hardening occurred considerably during the most part of the fatigue life. Dynamic strain aging was observed in 200~50$0^{\circ}C$, which affects the cyclic hardening behavior. Among the fatigue parameters such as plastic strain amplitude, stress amplitude, and plastic strain energy density (PSED), PSED was a proper fatigue parameter since it maintained at a constant value during LCF deformation even though cyclic hardening occurs considerably. A phenomenological life prediction model using PSED was proposed considering the influence of temperature on fatigue life.

• Food Science of Animal Resources
• /
• v.20 no.2
• /
• pp.146-151
• /
• 2000

The objective of this study was to investigate the characteristics on the thermal denaturation of free drip released from pork loin during chilled storage using DSC(differential scanning calorimetry). DSC thermogram of drip released from normal pork(NORD) was characterized by a minor peak and two major peaks with temperature maxima at $61.5^{\circ}C$, $71.7^{\circ}C$ (associated with sarcoplasmic proteins) and $84.3^{\circ}C$ (associated with protein-protein interaction and aggregation). In the denaturation temperature of drip released from PSE pork (PSED), the peak(Tmax) at $59.0^{\circ}C$ was reduced by $2.5^{\circ}C$. When the thermograms were divided into segments correponding to the three peaks, $\Delta$H2 was shown to be reduced by 10% in PSED as compared to NORD. With the decrease in the solubility of sarcoplasmic proteins in PSE muscle, there was a corresponding increase the drip loss during the storage.

• The Journal of the Korea Contents Association
• /
• v.12 no.8
• /
• pp.318-329
• /
• 2012

The purpose of this study was to investigate current situation of employment and factors affecting the job maintenance of women with disabilities. The second Panel Survey of Employment for the Disabled(PSED) and the third PSED are used to investigate current situation of employment and factors affecting the job maintenance of women with disabilities. We analysed whether women with disability who were employed in the second PSED maintain employment in the third PSED. The results showed that women with disabilities had lower wages(p<.001) and higher non-regular work(p<.001) than men with disabilities. Also, women with disabilities experienced more consideration of job(p<.05) and working time(p<.001) than men with disabilities. The job stability among job satisfactions of women with disabilities was higher than men with disabilities. The factors affecting the job maintenance of women with disabilities were health status(p<.05), wages(p<.05), consideration of job(p<.05).This study suggested that the health status, wages, consideration of job were needed to consider when establishing employment policy for women with disabilities.

• The Journal of the Korea Contents Association
• /
• v.17 no.2
• /
• pp.230-238
• /
• 2017

This study was to identify major determinants on the reemployment of disabled women. The researcher performed a logistic multiple regression analysis of raw data from Panel Survey of Employment for the Disabled(PSED) from 2008(1st) to 2014(7th). The analysis focused on 744 disabled women in reemployed and unemployed status. The study results showed that recipient status of the National Basic Livelihood Security System, the extent of disability, physical health condition, certification status, and the experience of previous employment were positively related with reemployment of disabled women. That is to say, disabled women have a higher tendency to be reemployed under the following circumstances: no recipients of the National Basic Livelihood Security System, minor disabilities, good health condition, possession of certification, and previous experience of employment. On the basis of study findings, implications were discussed such as a phase-in of health promotion policy to improve their health status, tailored job training programs, and development of various jobs in current labour market.

• Korean Journal of Chemical Engineering
• /
• v.35 no.12
• /
• pp.2336-2347
• /
• 2018

The azeotrope of methyl acetate methanol and water was isolated using extractive distillation with water as entrainer. The pressure-swing extractive distillation (PSED) process and vapor side-stream distillation column (VSDC) with the rectifier process were designed to separate the methyl acetate, methanol and water mixture. It was revealed that the VSDC with the rectifier process had a reduction in energy consumption than the PSED process. Four control schemes of the two process were investigated: Double temperature control scheme (CS1), $Q_R/F$ feedforward control of reboiler duty scheme for PESD (CS2), $Q_R/F$ feedback control scheme for VSDC (CS3), the feedback control scheme of sensitive plate temperature of side-drawing distillation column to dominate the compressor shaft speed (CS4). Feed flow and composition disturbance were used to evaluate the dynamic performance. As a result, CS4 is a preferable choice for separation of methyl acetate-methanol-water mixture. A control scheme combining the operating parameters of dynamic equipment with the control indicators of static equipment was proposed in this paper. It means using the sensitive plate temperature of side-drawing column to control the compressor shaft speed. This is a new control scheme for extractive distillation.

• Journal of the Korean Institute of Gas
• /
• v.24 no.6
• /
• pp.61-69
• /
• 2020

This paper is a study of the behavior characteristics that occur in the hydrogen storage vessel TYPE 1 according to pressure and temperature conditions by FEM(Finite element method). Von Mises stress (VMS) generated at the highest pressure was compared with Yield strength (YS) of the material for structural safety assessment of the container, and the results of plastic strain energy density (PSED) were analyzed as basic data for life expectancy. According to the analysis results, the safety of the hydrogen gas storage vessel is not ensured due to the occurrence of VMS higher than the yield strength on the bottom of the storage container at a gas pressure of 40 Mpa or higher. In addition, the results of VMS caused by temperature conditions are very low and the behavior by temperature can be ignored. The maximum pressure of VMS/YS below 1 is calculated to be about 30 Mpa, indicating that the hydrogen storage container subject to this paper should be managed with a gas charging pressure of less than 30 Mpa.

• The Journal of the Korea Contents Association
• /
• v.21 no.3
• /
• pp.796-808
• /
• 2021

This study examines the relationship of disability acceptance, interpersonal skill with job satisfaction to improve the job satifaction of the disabled in wage work. The study also examines the moderated effect of employment type and the mediated effect of interpersonal skill. the research used data from the 2nd wave of the Panel Survey of Employment for the Disabled(PSED) in Years 1-4(2016-2019), AMOS 22 was to analyze the paths between variables. The result of the study are as follows. First, The job satisfaction of the disabled in wage work differed significantly in educational background, age group, and working period. But, there was no significant difference in gender. Second, disability acceptance has been shown to have a significant positive effect on job satisfaction. Third, interpersonal skill have been shown to have a positive mediated effect in the relation between disability acceptance and job satisfaction. Fourth, the relation between disability acceptance and job satisfaction revealed that employment type have a negative significant moderating effect. Based on the result, Welfare practices for disability acceptance, interpersonal skill, and employment were proposed in order to promote job satisfaction for the disabled.

• Asia-Pacific Journal of Business Venturing and Entrepreneurship
• /
• v.9 no.4
• /
• pp.13-25
• /
• 2014

This study advances research on new venture by taking the organizational ecology perspective to explore the relationship between social legitimacy and new venture performance. We examine how entrepreneurs' organizing activity and social norm shape the social legitimacy. This paper also categorizes the social norms into three parts: social norm that is 1) supporting success achieved through one's own effort 2) encouraging start-up, and 3) promoting risk-taking. Using a dataset of PSED(Panel Study of Entrepreneurial Dynamics) from 2005 to 2011, we found that entrepreneurs' organizing activity has a positive effect on new venture performance. In addition, this study presents the moderating effects of 'liability of newness' that decreases the effect of organizing activity on new venture performance. Interestingly, with respect to the social norm, 'liability of newness' only moderates the relationship between start-up encouraging social norm and new venture performance.

• 재활복지
• /
• v.21 no.4
• /
• pp.33-57
• /
• 2017

The purpose of this study is to analyze factors that can affect the satisfaction with life of elderly with disabilities so as to provide measure for improving the quality of their lives. To that end, elderly with disabilities and 50 years or older were extracted from the raw data (2nd Wave, 1st Survey) of 2016 Panel Survey of Employment for the Disabled (or PSED), conducted by the Ministry of Employment and Labor and the Korea Employment Agency for the Disabled. And they were classified into those aging with disabilities (onset of a disability before 50 years) and those having disabilities with aging (onset of a disability after 50 years). The results of the analysis show factors affecting satisfaction with life were different in the two groups. Although awareness about employment, awareness about disability, levels of happiness, subjective socioeconomic standing, and financial problems were the common factors, health conditions and ability to function in daily life affected more those aging with disability, and employment status was more relevant to those having disability with aging. Based on these results, this study points out the need to take into account awareness about employment and disability when developing services for elderly with disabilities, to solve their financial problems, and to provide a collective approach to employment and health issues in order to improve the quality of their lives.