• Journal of East-West Nursing Research
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• v.10 no.1
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• pp.106-116
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• 2004

This study is about the quality of life of cerebral infarction patients' guardians. The subject of this study was a group of 159 guardians of patients diagnosed of cerebral infarction and being hospitalised in a general hospital located in Seoul. The measurement tool consisted of quality of life of cerebral infarction patients' guardian, self-esteem, burden of responsibility, family unity, health status of the guardian. The collected data have been processed using SPSS/PC 12.0 programme: The results of this study are as follows: 1. The point for quality of life of cerebral infarction patients' guardians was 3.08(five-point scale), and for the related factors, the points for self-esteem was 3.67, burden of responsibility was 3.26, family unity was 4.13, health status was 6.10(ten-point scale). 2. There was a significant difference in the quality of life according to Self-esteem, Burden of responsibility, Family unity and general characteristics. 3. In the quality of life of cerebral infarction patients' guardians, a positive correlation was noted in some factors according to the characteristics of the guardians such as health status, self-esteem, family unity, monthly income, and time spent for caring the patient. Whilst a negative correlation was noted in the others such as burden of responsibility and age of the guardian. By confirming the results above, it is concluded that we must understand the major factors which are related to quality of life, find the causes that deteriorate the quality of life, and apply proper nursing intervention to improve the quality of life of cerebral infarction patients' guardians.

• Journal of Families and Better Life
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• v.22 no.2
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• pp.59-67
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• 2004

As we enter into the 21C, it is important to reassess the knowledge and skills that are necessary for individual consumers and consumer professionals to be able to function efficiently in the rapidly changing society, and also to develop teaching tools fit to enhance the teaming of such knowledge and skills. The Purpose of this study is three-folds: 1) to identify key competencies necessary in the 21C consumer education, especially in higher education institutions, 2) to suggest 'experiential learning' as an ideal pedagogical tool for consumer education in the 21C century, and 3) to provide an example from an undergraduate classroom in the U.S. that applies 'service learning' as a teaching tool in a consumer studies curriculum. Discussions about the potentials for expanding this learning strategy are also provided.

• Journal of Korea Spatial Information System Society
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• v.11 no.2
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• pp.54-62
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• 2009

This paper proposes a framework for personal location based services with personal life content, for example diaries, schedules and to-do lists. A lot of Internet users are recording their personal experiences and knowledge as text and other digital media on the network. Our proposed tool provides users with an environment to store personal records with related place attributes, and to retrieve these personal records at the right place. There are two applications on this tool, a place-enhanced blog and a LBS client on a mobile phone. The place enhanced blog provides users with blog interfaces for inputting place information. The place rem inder is a browser for spatial data on the place enhanced blog. Users can generate place information by writing personal records on their blog. Furthermore, using the LBS client, other users can retrieve personal records at the appropriate spots.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 2004.10a
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• pp.977-980
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• 2004

Metalworking fluids (MWFs) are fluids used during machining and grinding to prolong the life of the tool, carry away debris, and protect the surfaces of work pieces. These fluids reduce friction between the cutting tool and the work surface, reduce wear and galling, protect surface characteristics, reduce surface adhesion or welding and carry away generated heat. Workers can be exposed to MWFs by inhaling aerosols (mists) and by skin contact with the fluid. Skin contact occurs by dipping the hands into the fluid, splashes, or handling workpieces coated with the fluids. The amount of mist generated (and the resulting level of exposure) depends on many factors. To reduce the environmental pollution wastes and the potential health risks associated with occupational exposures to MWFs, it is required to establish optimum MWFs supply method and condition with minimum quantity in all over the mechanical machining field including high-speed type heavy cutting process.

• Journal of the Korean Society for Precision Engineering
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• v.22 no.1
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• pp.47-52
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• 2005

In this paper, the effect of TiN-coating on product quality such as dimensional accuracy and surface roughness is experimentally investigated. A punch of SKD11 material in cold forging an automotive bearing shaft and its related process found in a cold forging company are selected as the test example. The effect of TiN-coating is revealed in a quantitative manner. It is to be noted that TiN-coating is effective in controlling the dimensional accuracy and surface roughness as well as in increasing tool lift.

• Journal of the Korean Society of Systems Engineering
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• v.7 no.1
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• pp.53-56
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• 2011

Configuration management plays a key role in systems engineering process for any project from earlier stage of development. It consists of five major activities, ie., configuration management planing, configuration identification, configuration control, configuration status accounting and configuration verification and audit, and is essential to control system design, development and operation throughout entire life cycle of the system development. And it is directly associated with other part of systems engineering management process, ie., technical data management which provides traceability of important decisions and changes during development. In this paper, we describe how to apply CASE(Computer-aided Systems Engineering) tool-Cradle for the configuration management to achieve effectiveness of Technical Management process.

• Journal of Korean Academy of Nursing
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• v.28 no.4
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• pp.931-940
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• 1998

This study was done to describe health behavior and determine affecting factors in Korean adults, based on the Health Behavior Assessment tool. The subjects were sample of 298 adults from five cities. The instrument for this study were Health Behavior Assessment tool (30 items, 4 scale). Frequency, percentage, t-test, ANOVA, cluster analysis with SPSS program were used to analyze the data. The results of the study are as follows ; 1) The average item score for health behavior was 2.56, the highest score on the subscale was limitation of liking(M=3.16), followed by stress management (M=2.98), nutrition(M=2.82), energy conservation (M=2.67). 2) A significant difference between age, sex, perception of health, and health behavior were found. 3) Pattern of health behavior among Korean adults focused on stress management in order to obtain emotional stability, and balance and harmony in dietary life, and energy conservation. Patterns of health behavior in Korean adults is unique in each individual. Therefore nursing intervention skill for health promotion have to be developed based on the health behavior in each individual.

• Korean Journal of Computational Design and Engineering
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• v.2 no.3
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• pp.186-194
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• 1997

This paper describes new methods to minimize the cutting time in zigzag milling operation of two dimensional polygonal surfaces. Previous works have been focused on mainly experimental approaches by considering some machining parameters such as, spindle speed, depth of cut, cutter traverse rate, cutter diameter, number of teeth, tool wear, life of tool, and so on. However, in this study, we considered two geometrical factors one by one in order to see the effect separately, which are the length of cut and the number of cutter traverse. In an N-sided concave or convex polygon, an algorithm has been developed which minimize the total length of cut. Also, a heuristic approach was used to minimize the number of cutter traverse.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 2000.11a
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• pp.818-822
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• 2000

The low density, sustained high temperature strength and excellent resistivity to acid materials have made them strong candidate materials for future aerospace or medical applications. Nowadays their usage has already been broaden to everyday's commercial applications such as golf club heads, finger rings and many decorative items, Anticipating the general use of this material and development of the titanium alloys in domestic furnaces, the review and the study of the machining parameters for those alloys are deemed necessary. The present studies are concentrated to the machining parameters of the Ti-6Al-4V alloys due to their dominant position in the production of titanium alloys.

• Journal of the Korean Society of Manufacturing Process Engineers
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• v.13 no.3
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• pp.103-110
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• 2014

In this study, spur and helical box models of an existing machine tool are investigated using structural and fatigue analyses. As the helical box model is shown to have less stress and deformation than those characteristics of the spur box model, the helical box has more strength and more transmission efficiency on the structure. In terms of fatigue analysis, the helical box model has more repeated fatigue strength than that of the spur box model. These study results can be effectively utilized in the design of real gear boxes of machine tools by anticipating and investigating prevention and durability against damage.