• Title/Summary/Keyword: science practical work

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A Study on Efficient Work Force Supply-Demand According to the Employment Permit System for Foreigners (외국인 고용허가제 도입에 따른 효율적 노동인력 수급에 관한 연구)

  • Kim, Heung-Jae;Park, Jae-Hyun;Kang, Kyung-Sik
    • Journal of the Korea Safety Management & Science
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    • v.9 no.1
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    • pp.175-186
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    • 2007
  • The employment permit system for foreigners, which stresses introduction of foreign work force in a legal manner rather than in the position of being trainees, is anticipated to efficiently improve introduction and the overall management system of foreign work force and related difficulties such as illegal alien problems, absurdity on sending laborers overseas. In this paper, a prospective model of supply and demand of work force has been developed basing on various categories of industries and patterns about nationally practical foreign employees to look over efficient supply and demand of work force suiting employment of foreigner among foreign work force policies. To propose the prospective model, we have derived industry- and pattern-related matrixes of foreign laborers basing on Inter-Industry Analysis Method put forth by Professor Leontiyef in 1930, and through the derived matrix assessed repercussions concerning overall domestic industries and foreigner types and decided yearly weight; the capacity of supply and demand of foreign laborers can be compared through proposed statistical estimation and government estimation by combining the determined weight with yearly incomes of foreign laborers. This paper has thoroughly considered the particularity of our employment permit system for foreigners and applied the Weibull distribution and incorporated the dependence of foreign laborers during the limited period of 3 years to the industry relation analysis, ultimately proposing an efficient supply and demand method about domestic foreign work force.

A Study on Improvement of Dental Technicians practical examination system (치과기공사 국가시험 실기시험 제도 개선에 관한 연구)

  • Nam, Sang-Yong;Chung, In-Sung;Lee, Gyu-Sun;Kim, Ji-Hwan;Yu, Chin-Ho;Lee, Sun-Kyoung
    • Journal of Technologic Dentistry
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    • v.36 no.1
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    • pp.27-37
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    • 2014
  • Purpose: The purpose of this study is to investigate the improvement measure of dental technicians practical examination system. Methods: The subjects in this study were 290 dental technicians who were self-written questionnaire. The results were analyzed by SPSS 16.0. The collected data was analyzed by frequency and chi-square test. Results: Dental technician practical exam feasibility of survey were largely negative views. Articulators work required in practical exam as a tool used (28.7%), electric wax carver (19.5%), heating clear (17.8%), handpiece (16.2%) had a response. Dental Technician positions in accordance with practical exam in comparison to satisfaction, the professor is satisfied, but the clinical dental technicians were generally dissatisfied (p<0.05). Conclusion: Based on the results of this study, Current is necessary to analyze the practical test. It also should be compared with foreign institutions. Long-term and short-term improvement examination system that can be applied to the improvement of the dental technician to draw practical test it is necessary to improve the system.

A Versatile and Practical Synthesis of 1, 8-Dioxo-octahydroxanthene Derivatives Catalyzed by Polyethylene Glycol (PEG) in Water (수용액에서 폴리에틸렌 글리콜 촉매에 의한 1, 8-Dioxo-octahydroxanthene 유도체의 다용도적이며 실용적인 합성)

  • Chavan, Abhijit P.
    • Journal of the Korean Chemical Society
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    • v.53 no.4
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    • pp.415-421
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    • 2009
  • A convenient and practical synthesis of 1, 8-dioxo-octahydroxanthene derivatives using various aldehydes, 5, 5-dimethyl-1, 3-cyclohexanedione in water was successfully carried out in the presence of polyethylene glycol (PEG) as a catalyst. Simple work-up, clean products, high yields and water as a green solvent are the attractive features of this methodology.

Practical Reasonability for Introducing Separate Contract Award System Concerning Asbestos Removal (건축주가 직접 발주한 석면해체공사 도급의 타당성에 관한 연구)

  • Son, Ki-Sang;Gal, Won-Mo;Kim, Hyoung-Suk
    • Journal of the Korea Safety Management & Science
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    • v.13 no.2
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    • pp.259-266
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    • 2011
  • Project owner, asbestos removal specialist, experts on asbestos removal work, as counter parts to be defined in the study to make out research goals have been asked with questionnaire survey and replied with 65, 275, 32 cases, respectively. And additionally, direct interview 73 sheets have been collected to find out current status of required engineers and equipments assigned and provided to the field, from them, three(3) concerned parties. Questionnaire subjects are composed of common items, reasonable unit cost, need of separate contract-awarding system, status of performing standard contract, status of providing legal engineers and equipments. Concentrated review of two~three questions by subject has been made to find out and compare idea results between three(3) concerned parties. First, legal and practical work status survey have been made to determine reasonability of introducing separate contract-awarding system, as a part of ensuring reasonable unit work cost. And then, two different status have been compared and there is introduction possibility of separate contract-awarding system, it is found out. The possibility of separate contract also has been confirmed by comparison of domestic legal grounds. Justificating grounds to introduce separate contract-awarding system have been shown. Standard contract status between asbestos removal specialists has been compared using two cases of providing removal work contract and receiving it. It is shown that case of 50 percent or less contains 38.5% when they receive contract, but only 10 percent reduction of original contract amount has been made when they provide it. It means that asbestos removal specialists do not keep occupational safety and health regulations.

The Relationship Among Nepotism, Leader Legitimacy, and Work Engagement: Focus on Distribution Industry

  • KIM, Mikyoung;MOON, Jaeseung
    • Journal of Distribution Science
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    • v.19 no.7
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    • pp.41-50
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    • 2021
  • Purpose: This study aims to analyze the effect of nepotism on work engagement. In addition, this study aims to analyze the mediating effect of leader legitimacy in the relationship between nepotism and work engagement in the distribution industry. Research design, data and methodology: 236 survey data were collected and analyzed using SPSS 22 and AMOS 22. For the assessment of the goodness of fit of the models, indexes such as TLI, CFI, RMSEA were used. For hypotheses testing, we used SEM method and bootstrapping. Results: The results of this study are as follows. First, the relationship between nepotism and the employee's work engagement was not significant. Second, it was revealed that nepotism negatively affects the leader's legitimacy. Third, it was found that a leader's legitimacy had a positive effect on the employees' work engagement. Fourth, leader legitimacy was found to mediate the relationship between nepotism and employees' work engagement. Conclusion: We found that the effect of nepotism can be changed depending on contingent factors. This study contributed to the accumulation of nepotism theory by demonstrating the process in which nepotism, which has been insufficient so far, affects outcome variables. Based on the empirical results of this study, theoretical and practical implications, limitations, and future research directions were discussed.

Satisfaction of industrial health care managers regarding the work of industrial hygiene engineers: a cross-sectional study

  • Byung Sik Choi;Min Keun Kim;Joon Sakong
    • Journal of Yeungnam Medical Science
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    • v.40 no.1
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    • pp.58-64
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    • 2023
  • Background: A group health service is a system that delegates workplace health management to an entrusted institution. There have been various studies on group health services to date, but recent changes, such as an increase in foreign workers, are rapidly changing industry characteristics. Methods: Satisfaction was assessed using a 27-question survey distributed among 203 workplaces employing health professionals. The survey items consisted of general characteristics, comprehensive satisfaction, requirements for health professionals' work, and satisfaction with work environment management, ergonomic management, and healthcare management. Multiple regression and frequency analyses were performed. Results: The comprehensive satisfaction was 4.08 points on average, out of 5. The comprehensive satisfaction of health professionals in the industry was positively correlated with each factor. Hazardous materials and chemical management (material safety data sheets, MSDSs) were the most common requirements. Conclusion: A low level of satisfaction with work environment management indicates high demand for healthcare management. The working environment should be improved by identifying characteristics of the workplace, examining harmful substances, inspecting equipment, and enhancing worker methods. The shorter the work experience of health professionals, the more dependent they are on group health services. The variables affecting comprehensive satisfaction were the period of work, healthcare management satisfaction, and work environment management satisfaction. Most of the requirements of health professionals in the workplace were practical improvement case presentations, MSDSs, and legal document management.

A Study on Silk Weighting Process Technique and it's Practical Use (견섬유 중량가공 방법 및 실용화 방안에 관한 연구)

  • 이수철
    • Archives of design research
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    • v.6 no.1
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    • pp.73-86
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    • 1993
  • The development of Korean textile industry has continued for the early industrialization. But a change in situation of circumstances, textile industry undergoes hard times. To overcome the barrier, therefore, technical development and design innovation are needed to make high value added product. This paper try to put to practical use of the silk weighting process technique(WPT). First, we investigate the technical trend of WPT to summarize the theory, and examine the feasibility of technical development. Second, the application of Graft process to silk textile is examined to know whether it is possible as an practical use. Next, we present the practical way of WPT using MAA monomer through experiment. The results are as follow. 1) Considering the lack of silk yarn. Graft process is appropriate new technique to make the value added product, and fine quality. 2) Studing textile goods, it need inter-displlinary co-work not only fiber engineering scope because textile goods is closely related with fashion industry. 3) MAA monomer used in this paper is more excellent then other monomer because it has good weighting effect and does not harm to the nature of textile. 4) MAA WPT is good for silk textiles of ladies jacket and neck-tie.

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Suggestions on the implementation plan for job-based dental technician practical exam (직무기반 치과기공사 실기시험 시행 방안에 대한 제언)

  • Kim, Jae-Hong;Kim, Ki-Baek;Kim, Won-Soo
    • Journal of Technologic Dentistry
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    • v.43 no.4
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    • pp.181-185
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    • 2021
  • Purpose: This study aims to make suggestions for the implementation of the job-based dental technician practical exam. Methods: The duties of dental technicians and the recent trends in the dental technician field were defined and identified, respectively, to achieve the purpose of the current study. The practical test system of domestic and foreign national tests was comparatively analyzed to seek improvements. Additionally, the direction of the practical test to be taken in the future was investigated through a public hearing of domestic experts. Results: As a result of this study, the job site of dental technicians was recently found to be undergoing many changes, and it can be observed that related laws and the work site have already changed. Comparison of overseas test systems showed that Korea was limited to a rather small evaluation range; in general, the scope of the evaluation of the practical tests in foreign countries was widely conducted. In the results of the public hearing, opinions exist that the evaluation range of the practical test was expanded and that new subjects were needed, but the opinion on the existence of practical difficulties was mainly mentioned. Conclusion: The evaluation range of the current practical examination subjects should be expanded and the evaluation of digital dental engineering subjects should be added to proceed with the job-based practical examination. However, it seems that efforts should be made gradually through various efforts in the future due to practical difficulties.

A Study on Structural Model of Work-Values, Job Satisfaction and Task Performance of Generation Y Staff in the Hotel Industry

  • Choi, Hyunjung
    • Culinary science and hospitality research
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    • v.23 no.6
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    • pp.78-88
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    • 2017
  • The main goal of this study was to demonstrate the causal relationships between multi-dimensional work-values, job satisfaction and task performance of Y generational employee in the Korean hotel industry. In order to achieve the purpose, the data were collected from Y generational employees working in the major cities in Korea. To analyze the data, frequency, exploratory factor analysis, reliability analysis, PROCESS Macro analysis and simple regression analysis were undertaken by using SPSS 18.0. The results were as follows; 1. Work-values were found out as five factors; Prestige workvalues, Personal development work-values, Work condition work-values, Personal welfare work-values, Social/ Altruistic work-values. 2. All five factors were found to be significant in enhancing job satisfaction. 3. Two factors which were prestige work-values and personal welfare work-values were found to be significant in facilitating task performance. 4. Job satisfaction was revealed as a mediator between all work-value factors and task performance. This study provided practical information about work-values of Y generational hoteliers to positively affect their job satisfaction and task performance. This study also confirmed that it is important to enhance job satisfaction in order to make employees perform their service duties better.

Development of Airline EBT Program Model (항공사 EBT 프로그램 모델 개발)

  • Jihun Choi;Sung-yeob Kim;Hyeon-deok, Kim
    • Journal of Advanced Navigation Technology
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    • v.27 no.5
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    • pp.528-533
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    • 2023
  • Airlines tried to introduce training programs in connection with practical work in order to provide more effective education and training. To this end, airlines have been conducting evidence-based training(EBT) to strengthen the practical capabilities of aviation personnel and enhance safety culture. Airlines can systematically evaluate the capabilities and practical capabilities of aviation personnel by analyzing operational data and case studies for effective EBT model development. In addition, EBT models can be constructed by applying technical methods such as crew resource management (CRM) and a holistic approach that includes human factors. Due to the introduction of EBT, airlines will establish diagnostic and feedback systems for pilots' practical work, provide personalized education, and establish an education and training system that verifies the effectiveness of education through educational outcomes.