• Journal of the Ergonomics Society of Korea
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• v.26 no.2
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• pp.81-88
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• 2007

The objective of this study was to investigate the validity of the digital ergonomic simulation (DES) method as a prospective alternative to the ergonomic analyses conducted by experts. The DES method utilizes commercial digital manufacturing software, and can compute the RULA scores continuously throughout the simulated work cycle. It was shown in a case study that the accuracy and objectivity of the DES method are superior to those obtained by experts. Also, it was demonstrated that the DES method has a distinct capability to simulate and validate a proposed work plan. Major limitations of the current DES method lie in the extensive time and efforts required for accurate digital simulation, which may be overcome through an automatic module for RULA data acquisition and a motion capture system.

• The Journal of Korean Academic Society of Nursing Education
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• v.13 no.1
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• pp.82-89
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• 2007

Purpose: The purpose of this study was to develop and evaluate an e-Learning Program designed to enhance novice nurses's performance ability Method: The e-Learning program was designed for novice nurses before beginning to work in a hospital using a KMS(Knowledge Management System). This study was carried out from February 2006 to April 2007. The program had progressive steps including design, pilot test & modification, contents development, program application and evaluation. After the program design and pilot testing, the learner's satisfaction was analyzed. Result: The program site is http://kms.emc.ac.kr titled, 'Cyber Education Center'. The sixteen part course has been developed as follows: blood sugar test, skin test, insulin test 1, insulin test 2, blood culture, blood sampling, heat therapy, cold therapy, glycerin enema, preparation of operation, oxygen therapy, suction technique, transfusion, foley catheterization and aseptic technique. The overall learner's satisfaction score was 4.08 out of 5 points. Conclusion: E-Learning could be useful for education and nursing work. This method may be effective for clinical nurses.

• Culinary science and hospitality research
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• v.7 no.2
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• pp.99-121
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• 2001

To develop and improve as the finest foodservice industry, it has to secure the best team organized by the most satisfied employees. It is very important for foodservice industry to have the organization efficiency and study all kinds of factors to be influenced by several conditions. This study was focused on some matters to achieve the foodservice industry's business goal as well as to satisfy the employees. 1, the writer, set up four hypotheses for the examination. First, there will be not an interrelation between the employee's satisfaction and sex, age, marriage, educational background, and eager level. Second, there will be not an intreation between the employee's satisfaction and work period, position, department and major. This study could get some result from the analysis suggested by the above hypotheses. The following are the further explanation including some outstanding feature from the analysis based on the human resource: first for the category about the level of job satisfaction evaluated by the census, foodservice industry employee's job satisfaction depends upon the atmosphere in which employes could enjoy their work. Even the promotion chance can be made in the environment of creative and active working condition. Finally, the promotion chance can be realize not through the employee's attitude assuming the motivation factor to be difference from hygiene factor, but through keeping their work carried out in various activity.

• The Journal of Korean Physical Therapy
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• v.14 no.2
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• pp.172-180
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• 2002

The purpose of this paper was to make an analysis of anaerobic power in professional female basketball players using the Wingate Test Method with bicycle ergometer. Twenty-three subjects(age $21.6\pm2.8years$, body height $178.0\pm7.4cm$, body weight $70.3\pm7.4kg$) were selected from professional female basketball team whose careers were over 10years and participated in this investigation. Each subject peformed a Wingate anaerobic power test to determine total work, peak power, mean power, fatigue index and blood lactate concentration. The following were obtained from result data analysis; 1. The Total Work of athletes was a $1128.7\pm120.6watt$ 2. The Peak Power of athletes was a $449.5\pm53.1watt$ 3. The Mean Power of athletes was a $369.1\pm39.4watt$ 4. The Fatigue Index of athletes was a $33.5\pm6.9\%$ 5. The blood lactate concentration was $1.85\pm0.85mM/L$ at the normal state and $3.16\pm1.53mM/L$ at the after Wingate test. The blood lactate concentration was $6.96\pm0.81mM/L$ after 3 minute and $6.95\pm1.05mM/L$ after 5 minutes.

• Asian Journal of Business Environment
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• v.8 no.3
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• pp.13-21
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• 2018

Purpose - This study examined workplace bullying as a situational antecedent of workaholism and burnout as a consequence of workaholism and explored the mediating role of workaholism and the moderation effect of perceived organizational support. Research design, data, and methodology - This study collected data from 319 employees in South Korean companies through a survey method. Results - First, job-related bullying promotes a compulsive and excessive drive to work. However, person-related bullying was positively related to the tendency to work excessively hard. Second, only working excessively shows positive relationship with only exhaustion excepting cynicism. Third, although bullied employees may reserve their personal resources through workaholism in short time, it drives them to be workaholic, which leads them exhausted in turn. Finally, perceived organizational support decreases the effect of job-related bulling on both of working compulsively and working excessively. Conclusions - First, this study suggests workplace bullying as a situational antecedent and verify burnout as a consequence of workaholism. Second, it investigate the mediating role of workaholism and the moderation effect of perceived organizational support. Practically, When they find workaholic employees, they should investigate if workplace bullying exists through face-to-face talk. If necessary, they should decide personal transfer to the other department or work team.

• Safety and Health at Work
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• v.12 no.3
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• pp.317-323
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• 2021

Background: The surface mining industry has one of the highest fatality rates among private industries in the United States. Despite recent decreases in the fatality rates of comparable industries, the fatality rate in the surface mining industry has increased. Meanwhile, a lack of safety research in surface mining has hindered efforts to improve safety strategies in the surface mining workplace. Method: This study examined quarry workers' hazard identification skills by conducting a case study of a surface mining facility in the Mid-Atlantic region of the United States. Semistructured interviews were conducted with eight quarry workers who were employed at the mine facility. In addition to the interviews, data were collected through field notes, notes from an expert meeting with safety managers, and site photographs to explore quarry workers' safety behaviors in the workplace. Results: The results showed that quarry workers identified hazards and improved their safety performance by translating safety knowledge learned from training into practice, acquiring hands-on work experience, learning from coworkers, and sharing responsibilities among team members. Conclusion: This study contributes to understanding quarry workers' safe performance beyond what they have learned in safety training to include their interaction with other workers and hand-on experience in the workplace. This study informs practitioners in the surface mining industry to build a safe work environment as they design effective safety programs for employees.

• Journal of the Korean Society of Manufacturing Process Engineers
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• v.18 no.4
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• pp.69-75
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• 2019

Since gasoline engines are based on a combination of a cast iron liner and an aluminum block, which have different thermal properties and stiffnesses, bore shape distortion is likely to occur during honing due to uneven thermal deformation. To solve this problem, many tests and evaluations are needed to support the development of a high-performance honing stone with low heat generation. Moreover, performance evaluation, which depends on inspection and observation after work, often requires much trial and error to optimize tool design, due to challenges in the accurate interpretation of results. This study confirmed that the assessment of grinding capability was clarified by evaluating performance under severe work conditions and by in-situ measurement and recording of current consumption (workload) and heat generation during operation. As a result of using a honing stone with excellent grinding performance in engine block manufacture-in which cylinder bore distortion caused by thermal deformation during manufacture is a problem-a noticeable improvement in the degree of cylindricity was observed.

• Journal of East-West Nursing Research
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• v.13 no.2
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• pp.197-207
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• 2007

Purpose: This study was carried out to deveop nursing costs and to substantiate the application of appropriate activity-based nursing costs for the current clinical nurse specialists. Method: The study sample was a group of 8 home health care team of the tirtiary Hospital in Korea. The data was collected from September 2003 through December 2004. The statistical analysis was done by SPSS PC 11.0 program and calculated mean and the standard deviation. In Lee(2003)'s nursing activity analysis, nursing activities were classified into two major classification, 19 domains and 70 activities. Each activities was calculated using its work validity, physical effort, psychological effort, stress as a intensity, and the necessary time. The simple work costs was calculated the work wage per minute and the necessary time. The work load intensity was calculated using the work wage per minute and the necessary time work load intensity/100. Results: In this study, the work wage was 283 won per minute. The work validity ranged from 2.71-4.00. The highest simple work cost/work load intensity cost was 12,735won/47,374won for research activity, 10,700won/27,499won for bedsore care, and 9,727won/35,114won for deathbed care. The lowest simple work cost/work load intensity cost was 2,123won/2,038won for intramuscular injection, 2,210won/2,166won for hypodermic injection, and 2,210won/1,547won for a application of medicine(or ointment or cream). Conclusions: It revealed that the nursing cost should be considered validity, physical effort, psychological effort, stress as a intensity, and necessary time. Therefore, It is necessary to calculate nursing cost systematically based on activities.

• Journal of the Korean Institute of Gas
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• v.15 no.5
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• pp.50-56
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• 2011

A preliminary experimental study of new concept air hybrid engine, which stores compressed air in the tank during braking and re-use it to propel vehicle during crusing or acceleration, was carried out in this study. A single cylinder engine was modified to realize the concept of air hybrid engine. Independent variable valve lift system was adopted in one of the exhaust valves to store the compressed air into the air tank during compression period. An air injector module was installed in the place of spark plug, and the stored compressed air was supplied during the expansion period to realize air motoring mode. For air compression mode, the tank with volume of 30 liter could be charged up to more than 13 bar. By utilizing this stored compressed air, motoring work of 0.41 bar of IMEP(Indicated mean effective pressure) at maximum can be generated at the 800rpm conditions, which is higher than the case of normal idle condition by 1.1 bar of IMEP.

• Environmental Analysis Health and Toxicology
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• v.15 no.1_2
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• pp.19-29
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• 2000

Acetanilide may be released into the environment through air and wastewater from its production and use sites as an intermediate in the synthesis of pharmaceuticals and dyes. Acetanilide is biodegraded rapidly under aerobic conditions and decomposed by indirect photolysis in the presence of OH radicals. An estimated bioconcentration factor of 4.5 suggests that bioaccumulation in aquatic organisms is low. Ecotoxicological data on acetanilide exist on acute toxicity to fishes of 4 species only. According to the EUSES system, the lowest PNEC (Predicted no effect concentration) in fishes is 0.01 mg/1 and PEC (Predicted environmental concentration) for surface water on a regional scale is 9.1$\times$10$\^$－5/mg/l as the worst case. RCR (Risk characterization ratio) of acetanilide for surface water on a regional scale was estimated as 9.1$\times$10-3, which is safe enough for fishes, RCR on a local basis slightly exceeds the value 1 in water and sediment; that is, 1.3 and 1.6, respectively, which suggests the existence of ecotoxicological risk at the vicinity of the manufacturing site. For the refinement of environmental risk assessment on acetanilide, more data should be collected regarding prolonged fish toxicity, acute toxicity toward daphnia and algae. It is, therefore, recommended that acetanilide should be a candidate for further work to supplement the lacking data until it is proved to be safe in the ecotoxicological aspects.