• Journal of the Daesoon Academy of Sciences
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• v.26
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• pp.143-182
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• 2016

The Qi(氣) concept in the Orient is the important concept which forms the world-view and thinking structure of the Oriental. The idea of Qi unfolds two ways. The first is the cosmogony that is the theory explaining the creation and change of universe through the change of Qi. The second is the preservation theory that think human body is full of Qi and we can be the immortal by raising Qi inside human body. The canon of Daesoonjinrihoe(大巡眞理會), Jeon-gyung(典經) also says about Qi many times especially in the doctrines about the object of belief and Cheonjigongsalon(天地公事論). This paper is willing to systematize the discussion of Qi in Daesoon(大巡) thought through researching Sangjeguan (上帝觀) and Cheonjigongsalon. The object of religious faith in Daesoonjinrihoe is Gucheon(九天)-yeungwon(應元)-noisung(雷聲)-bohwa(普化)-cheonjon(天尊)-gangsung(姜聖)-sangje(上帝) and Won(元) concept in the explanation of this divinity is deeply related to Wonqi(元氣) thought of the Oriental traditional Qi idea. And the theory of Qi(Qilon, 氣論) in Sangjeguan is related to electricity and the idea that the supreme God governs all things by electricity is the very original interpretation only found in Daesoon thought. The Qilon in Cheonjigongsalon is based on the Qilon of traditional thought that sees Qi is the element of all things and all thing are formed by the change of Qi. And the unique feature of the Qilon is saying that the supreme God, Cheungsan(甑山) operates Qi of universe and arouses the change of Qi. That is to say, God Cheungsan saved the world and all living beings by eliminating and giving and changing and moving and gathering and combining Qi. The characteristics of Qilon in Cheonjigongsalon is that the transcendental existence having human body has the control of the change of Qi in the universe. In conclusion, Qilon of Dasesoon thought tells that Gucheon-Sangje Chengsan governs all things by electricity and he fixed the old world and opened the new world like paradise by conducting the change of Qi.

• Journal of Korean Medical classics
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• v.27 no.3
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• pp.87-100
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• 2014

Objectives : In this article, an analysis of some documents about medical thought of change in medical history explains how the concept of it has been established and expanded, and through that, we can find the fusion of tradition between medicine and the study of IChing. Methods : Through investigation and analyses of the texts about medical thought of change in important medical books, the contexts of the history will be drawn. Results : Although the study of IChing and medicine have been developed separately in the early period of medical history, it has been started to fuse explanations for symptoms and mechanisms of diseases using trigram images. Yin-yang and wuxing changes(陰陽五行) of human body have been explained with 12 changing trigram(消息卦) and eight trigram(八卦). In the Ming dynasty, the establishment of Myeongmun(命門) theory was influenced largely from IChing, but it was followed by a scathing criticism of some doctors in the Qing dynasty. Conclusions : Developing of the study about Iching and medicine, thought of change has been an important foundation of new theories in traditional medicine like as the issue of Myeongmun theory, as a result, it has contributed to the development of clinical medicine.

• Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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• v.23 no.10
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• pp.69-74
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• 2009

The tempering system which is developed by this research which sees energy curtailment and from the environmental side which is essential for in hazard analysis critical control point. The tempering system with development experimented frozen pork and fish. As test result, frozen pork region was not thawed occurred plentifully. Like this the actual condition, the case of frozen fish is grind and the bulk and density uniformly was formed, the pork the density was dense and was thought with the fact that the temperature difference change is big. Also after tempering from measurement location center the temperature appeared substitutionally with the low-end thing. This central part of the frozene region is thought the impedance change appears few. To hereafter respects an impedance change is thought that has the necessity which will change the structure of tempering system.

• Journal of the Korea Safety Management & Science
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• v.19 no.3
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• pp.151-164
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• 2017

This study is an empirical study on the relationships among success factors of six sigma(support of top management, education and training, performance-based reward, customer and quality focused thought) on change management activity and business performance. In particular, mediating effect of change management activity on the relationship between success factors of six sigma and business performance is empirically analysed to find causes and impacts among these variables. The study results are as follows: First, there were positive relationships between critical success factors of six sigma(except support of top management) and change management activity. Second, there was also a positive relationship between change management activity and business performance. Third, there were also positive relationships between critical success factors of six sigma and business performance. Finally, change management activity was partial mediating effects on the relationship between critical success factors of six sigma(education and training, performance-based reward, customer and quality focused thought) and business performance. On the other hand, support of top management had no mediating effect on business performance.

• Journal of Korean Medical classics
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• v.23 no.1
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• pp.187-202
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• 2010

Han Dongseok advocated his own unique viewpoint about Universal Revolution based on Jeong-yeok(正易), and newly explained Exchange between Metal and Fire[金火交易]. Although he was not a researcher that had developed Jeong-yeok(正易), he has been judged as a utilitarian that tried to apply Change theory[易學] to realistic field called Oriental Medicine. The reason that such efforts are valuable is that he extended one of cosmological theory that is to say Jeong-yeok(正易) to the exchange of human body based on space-time progress. Theoretically he proved Jeong-yeok(正易) with the thought that heaven and human beings correspond to each other, realistically he showed turning point that as a main agent in Universal revolution we can change our own lives, in "The Principles of Universal Revolution", which is his most famous work.

• Transactions of the Korean hydrogen and new energy society
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• v.33 no.2
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• pp.176-182
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• 2022

Since the various characteristics of the polymer electrolyte membrane are not clearly identified, it is difficult to predict and design applications for various conditions. In this study, as a previous study on the aging of the polymer electrolyte membrane, a study was conducted on the change of mechanical properties according to the aging of the polymer electrolyte membrane. Through the tensile test of Nafion 117, the mechanical properties change due to aging was confirmed. As a result of the tensile test, it was confirmed that the aged Nafion 117 had reduced tensile strength. Through DSC measurement, aged Nafion confirmed that the glass transition temperature and enthalpy change were low, which is thought to be the effect of molecular motion and transition due to the lapse of time. The effect is thought to cause a difference in the amount of change in enthalpy, resulting in a difference in mechanical properties during tension.

• Journal of the Korean School Mathematics Society
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• v.1 no.1
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• pp.131-138
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• 1998

The aims of mathematical education are to improve uniformity and rigidity, and to apply to an information age which our society demands. One of the educational aims in the 6th educational curriculum emphasizes on the expansion of mathematical thought and utility, But, The change of contents in the text appears little. This means that mathematical teachers must actively develop the new types of problems. That the interests and concerns about mathematics lose the popularity and students recognize mathematics burdensome is the problems of not only teaching method, unrealistically given problems but abstractiveness and conceptions. Mathematical Modeling is classified exact model, almost exact theory based model and impressive model in accordance with the realistic situation and its equivalent degree of mathematical modeling. Mathematical Modeling is divided into normative model and descriptive model according to contributed roles of mathematics. The Modeling Applied Problems in the present text are exact model and stereotyped problems. That the expansion of mathematical thought in mathematics teaching fell into insignificance appears well in the result of evaluating students. For example, regardless of easy or hard problems, students tend to dislike the new types of mathematical problems which students can solve with simple thought and calculation. The ratings of the right answer tend to remarkably go down. If mathematical teachers entirely treat present situation, and social and scientific situation, students can expand the systematic thought and use the knowledge which is taught in the class. Through these abilities of solving problems, students can cultivate their general thought and systematic thought. So it is absolutely necessary for students to learn the Modeling Applied Problems.

• Journal of the Korean Society of Costume
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• v.42
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• pp.207-222
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• 1999

This study is a thesis based on the fact that at the end of eighteenth century similar change in hair style appeared in Chosun and France which are located very far almost the opposite side of the earth. We can see that very exaggerated and big hair styles of those days in both countries became exceptionally reduced and changed to practical shapes through (an order prohibiting to make large hair style using wigs) is case of Chosun and through the France Revolution in case of France. Outwardly the abobe mentioned change may seem to be caused by such brave and outward convention as the prohibition order and the revolution. however I think that more basic cause of such change from big and splendid hair styles of those days to simple styles was because of many people's sympathy with the necessity of improving various social and economical problems caused by the luxurious and even prodigal situation of those days before the change and additionally because of such pragmatic thought as Positivism of chosun and illuminism of france. In case of france the change in hair style occurred for such a short period of time around the France Revolution(1789) that we can even that the change occurred in a day. However in case of Chosun such change became fixed at the time of king Suncho prohibiting to make large hair style using wigs (1756-1788) was announced. in case of France such change in hair style was mainly because of change of thought caused by people's self-consciousness. But in case of Chosun under the situation where common people's way of thinking about sumptuous moods and beauty was not changed unvoluntary and compulsory change was asked by the King's order so a lot of time seemed to have been necessary for the change in hair style to become fixed as a nationwide common and general custom.

• Journal of the Korean Society for Heat Treatment
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• v.4 no.3
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• pp.54-62
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• 1991

The effect of tempering temperature on the ultrasonic propagation velocity at SCM 440 steel quenched from $870^{\circ}C$ and $1000^{\circ}C$ has been studied by metallurgical and crystallographical observation. The measurements of ultrasonic velocity were made on the specimen by appling an immersion ultrasonic pulse-echo technique with a constant frequency of 10 MHz. The quenched microstructure of this steel was a lath martensite. As the tempering temperature was increased, the martensite was transformed into the tempered martensite composed of cementite and carbide. The ultrasonic velocity increased with increasing the tempering temperature. It was thought that these were resulted from the microstructural transformation. The change of ultrasonic propagation velocity with quenching and tempering heat treatment was resulted from microstrain due to the change of internal stress. Considering these results concerning to the change of ultrasonic propagation velocity. the phenomena of microstructural transformation were estimated. Consequently, it was thought that the degree of quenching and tempered heat treatment of steel could be nondestructively evaluated with the change of ultrasonic propagation velocity.

• Journal of The Korean Association For Science Education
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• v.21 no.3
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• pp.566-579
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• 2001

The purpose of this study was to investigate students' actual thinking processes during conceptual change about free fall. To do this, middle school students were made an interview designed based on a teaching model using thought experiment. From the study, it was found that strategy for generating cognitive conflict by suggesting opposite views was not effective. However, many students changed their prior conceptions when new explanatory hypothesis, which explained why heavy object and light object fall equally, was introduced. And finally, even though students realized that the changed idea did not accord with the real world, they could easily solve that problem by observing demonstration designed to show the effect of air resistance.