• Korea Journal of Hospital Management
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• v.4 no.2
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• pp.131-161
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• 1999

This study is to analyze the reason of Breakdown of collective bargaining caused by the difference of main issue about bargaining and other factors influencing collective bargaining from the viewpoint of both labor and capital in Korean medical system. Korean medical system is facing the huge change of medical policy, so it should pursue institutional change following the change of medical system, On the contrary, the activity of labor union in medical system is more organized, activated, so understanding and cooperating on the related policy between labor and management are necessary. As the method of administration participation is collective bargaining, main issues between labor and management may lead Brwakdown of bargaining, so the author will analyze it from three viewpoints. First, the difference of recognition between labor and management due to the characteristics of hospital Secondly, the difference of recognition between labor unions due to the characteristics of hospital Thirdly, the difference of recognition between the characteristics of hospital and labor union.

• Journal of Korean language education
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• v.25 no.1
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• pp.83-113
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• 2014

This study aims to examine the change of strategy use by analyzing the refusal sequence of beginner Japanese Korean learners by time difference of 10 weeks. The results of the study are as follows; First, in the solidarity system of politeness(power-, distance-), learners showed similar ability as native Koreans after 10 weeks. Second, in the deference system(power-, distance+), there was a difference according to the situational burden when using strategies. In the invitational setting, the learners sought justification for their refusal or tried to negotiate by explaining in detail as time passed. However, in the request setting, they showed no will to compromise by refusing directly and leading the listener to give up. Third, similar difference was found in the use of strategies depending on the situational burden in the hierarchical system(power+, distance+). While learners could present their justification for refusal by showing their interest in the invitation as time passed in the invitation setting, they expressed straight refusal and were not willing to negotiate in the request setting.

• Journal of Korean Physical Therapy Science
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• v.3 no.4
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• pp.159-169
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• 1996

Every citizen has a right to get the least health care service for their living and should be guaranteed the right of health which is specified in the constitution of Korea. Therefore, health care service should realize the equity and accessibility of service by the equitable distribution which is needed for health care. The objects of this study were the patients who was treated by the physical therapy in health care center(two of them located in cities and others are in agricultural areas). These are the results of our study. First, the age, job, sex and experience of former treatment of objects showed no meaningful statistic difference in the part of convenience of health care center, where as the system of health scurity showed highly meaningful difference. Second, The age, job and system of health care of objects showed no meaningful difference in the part of attitude and appreciation to therapist, where as the experience of former treatment in other center showed highly meaningful difference. Third, The age, job and sex of objects showed no meaningful difference in the part of the appreciation to results of service, where as the system of health scurity and the experience of former treatment in other center showed meaningful difference. To offer the effective physical therapy, the government of province or nation should invest the large amount of financial fund continuously and make the plan of efficient operating system for the physical therapy service room of public health center which is the most nearly located to native citizen. The problem of distance, low reliability to public service, public relation and reliabity should be improved to raise the utility of physical therapy room. And also, the physical therapy room should be opened in health subcenter to offer the condition of the native citizen's healthy life.

• Journal of applied mathematics & informatics
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• v.34 no.1_2
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• pp.35-48
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• 2016

In this paper we deal with the expressions of solutions and the periodicity nature of some systems of nonlinear difference equations with order three with nonzero real numbers initial conditions.

• Journal of the Chungcheong Mathematical Society
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• v.24 no.4
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• pp.883-893
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• 2011

In this paper we study h-stability of the solutions of nonlinear difference system via the notion of $n_{\infty}$-summable similarity between its variational systems. Also, we show that two concepts of h-stability and h-stability in variation for nonlinear difference systems are equivalent. Furthermore, we characterize h-stability for nonlinear difference systems by using Lyapunov functions.

• Transactions of the Korean Society for Noise and Vibration Engineering
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• v.12 no.5
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• pp.374-379
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• 2002

A new active muffler system has been developed and its superior performance on both noise reduction and engine torque increase is demonstrated with experiment. Main characteristic of the proposed muffler system is the use of destructive interference by transmission path difference of divided exhaust pipes to reduce major exhaust noise components thereby overcoming problems of other active exhaust noise control methods. The exhaust pipe is divided into two sections and joined again downstream. One divided pipe has a sliding mechanism to vary its length, which is controlled to make half wavelength transmission path difference for the major engine rpm frequency. In this system one divided pipe is used to control major rpm frequency and its Harmonics and another pipe is used to control noise component double the frequency of rpm. An after-market tuning muffler, which has very simple internal structure and minimal back pressure, is also installed to remove remaining wideband noise. To make the system to be small enough to be practical, conventional muffler is also installed and used in low rpm range and active muffler is only employed in high rpm range. Noise reduction of the proposed system is comparable to conventional passive muffler. The engine dynamo test has proved the proposed system can recover almost all the torque lost by conventional muffler.

• Journal of Convergence Society for SMB
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• v.6 no.2
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• pp.1-9
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• 2016

In the modern business environment, ERP System is a tool for efficient use of the resources of the company. Implementation of the ERP System is not a simple introduction of the unit system. The changes and innovation of the company will be made through the BPR. And then, the BPR is made based on the system design and implementation. Cultural difference creates a difference in the attitudes and relationships of members of company. and, Cultural difference produce differences in organizational culture and operating principles. Cultural differences can mention the differences in the cultures of East and West, and can mention the difference between each country within the same culture. In the paper, we determine the impact of cultural differences on the implementation of the ERP System. Cultural differences affect the implementation process and the decision-making process, user interface.

• Bulletin of the Korean Mathematical Society
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• v.39 no.1
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• pp.53-62
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• 2002

We discuss the $\hbar-stability$ of perturbed Volterra difference systems by means of the resolvent matrix and discrete inequalities.

• Journal of the Chungcheong Mathematical Society
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• v.22 no.4
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• pp.635-643
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• 2009

We investigate h-stability of solutions of perturbed Volterra difference systems.

• Journal of applied mathematics & informatics
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• v.20 no.1_2
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• pp.535-540
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• 2006

In this paper, characterizations of difference quotient transformation in the Krein space which is contained continuously and contractively in the krein space of square summable power series C (z) is obtained from the complementation theory.