• Journal of the Architectural Institute of Korea Planning & Design
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• v.35 no.12
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• pp.75-82
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• 2019

After 1840 the first opium war, that changed the social nature and living habitats in China. The purpose of this study is to observe the influence of the war on the plan layout of traditional Chinese residential houses in Beijing Siheyuan. To find out the changes that were made after 1840, and reservation of the past, the space syntax model is used to analyze different social contexts and also compare the ancient and modern residential buildings. The result of the study indicate the following: Before the war, the ancient Siheyuan people's way of life strictly abide by the hierarchy system; External emphasis shows the host's status. However, in modern times, the social status became equal, efficient and harmonious relationship internally, while externally, it arranged the orientation and position of buildings to adapt to the natural environment. However, the boundaries between family members and visitors the emphasis on the courtyard and respect for private life remain unchanged.

• The Bulletin of The Korean Astronomical Society
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• v.39 no.2
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• pp.111-111
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• 2014

Intensity interferometry, based on the Hanbury Brown--Twiss effect, is a simple and inexpensive method for optical interferometry at microarcsecond angular resolutions. Motivated by recent technical developments, we argue that the sensitivity of large modern intensity interferometers can be improved by factors up to approximately 25,000, corresponding to 11 photometric magnitudes, compared to the pioneering Narrabri Stellar Interferometer of the 1970s when resolving. Our approach, based on spectrally resolved light, permits the construction of large optical interferometers at the cost of (very) long-baseline radio interferometers. Realistic intensity interferometers are able to spatially resolve main-sequence O-type stars in the Magellanic Clouds. Multi-channel intensity interferometers can address a wide variety of science cases: (i) linear radii, effective temperatures, and luminosities of stars; (ii) mass-radius relationships of compact stellar remnants; (iii) stellar rotation; (iv) stellar convection and the interaction of stellar photospheres and magnetic fields; (v) the structure and evolution of multiple stars; (vi) direct measurements of interstellar distances; (vii) the physics of gas accretion onto supermassive black holes; and (viii) calibration of amplitude interferometers by providing a sample of calibrator stars.

• Journal of Mechanical Science and Technology
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• v.17 no.4
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• pp.521-527
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• 2003

Modern automatic transmissions equip torque converters with lock-up clutches to reduce the energy loss of hydraulic systems. Instead of simply engaging the clutch disks, the new technology of clutch slip has been developed to improve the overall efficiency of power transmission. There are two major problems with the clutch slip system. The first is how to keep the slip between the two disks within a small range and the second is when to start or stop the slip. In this paper, the second problem is discussed in view of the vehicle economy. With a simple vehicle dynamic model, the fuel economy is calculated to determine the lock-up strategy. Then the lock-up strategy is developed for a slip schedule.

• Proceedings of the KIEE Conference
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• 1993.11a
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• pp.50-52
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• 1993

In this paper the speed control of Interior Permanent Magnet Synchronous Motor (IPMSM) is presented using sliding mode control. Recently in the control of the motor, various modern control theories are used. Sliding mode control is one of these, which has been spotlighted in the area of the motor drive. By using sliding mode control as the speed controller of IPMSM, the superior performances, which are the fast dynamic responce without overshoot the robustness to the external load disturbance and the alleviation of the chattering, are attained.

• Journal of the Architectural Institute of Korea Planning & Design
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• v.36 no.1
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• pp.81-92
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• 2020

The purpose of this study was to examine the selection process of the marathon course and the progress of the related urban landscape design projects. The study revealed that the initially selected course of the downtown Namdaemum changed to the riverside course that runs around Gangnam and Han river. This change implied that showing the developed landscape of Seoul was much more considered than showing the traditional landscape of Seoul. The urban design plan had changed in 1986 after the marathon course was finalized. The development project of downtown was changed to Gangnam area including Teheran-ro. The city also redeveloped the substandard housing zones around the Olympic facilities. As a result, developed areas and modern apartments of the riverside was emphasized in international TV game broadcast. This embedded the industrialized and modernized image of Seoul to foreigners. Also, Koreans started to recognize the Han river as Seoul's representative landmark. Accordingly, Seoul succeeded in creating a modernized urban landscape image through the Olympic marathon course.

• English Language & Literature Teaching
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• no.6
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• pp.75-88
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• 2000

There are many reasons why foreigners have difficulties learning English. In addition to the difference between English and the learner's grammar, the large number of irregularities found in English become another obstacle to learning English. Understanding the difference and the irregularities will help us not only have a good command of English but also teach English more effectively. Many irregular or alternating patterns, or even anomalies in Modern English are the results of historical changes. In this paper, I would like to focus on some of the irregular or alternating patterns found in different components of the grammar of English and to show how they can be accounted for historically. Through this study, I would like to show that the irregular patterns and anomalies in English were once regular and systematic, they have deviated from the regular patterns of the grammar as time has gone by, and they have survived in Modern English as irregular and alternating patterns. Many of the irregular or alternating patterns can be traced back by phonological, morphological and/or semantic changes in the history of English. Finally, by looking at language history, we can hold a more tolerant view on many anomalies present in English.

• Proceedings of the Korean Institute of Interior Design Conference
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• 2003.05a
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• pp.82-87
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• 2003

Nowadays' culture' is an important topic of conversation and rigorous researches have been done about the cultures of our neighboring countries such as China and Japan. It is expected that studies concerning applications of each traditional culture in modern design will be made rigorously in the near future. In this context this study chose five-star hotel restaurants located in Korea and investigated how the Korean, Chinese and Japanese cultures are incorporated into their modern interior design. The data were classified by space and design elements. The results show that colorful Korean identity(or Koreanity) was applied in Korean restaurants rather than the simplicity and naturalness of traditional space. As for Chinese restaurants, a large scale of space which Chinese traditional space reveals was not adopted because of their location too, but brilliant patterns and colors were used consistently. The typical Japanese style of simple lines, colors and materials were reflected in Japanese restaurants.

• KIEAE Journal
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• v.14 no.2
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• pp.47-59
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• 2014

In the present circumstance of exploring measures for sustainable development, finding and using planning elements of historical city is getting important as a urban planning tool. Thus this study aims to examine the characters of Korean traditional urban form through three periods, Josun, modern and contemporary eras. Three urban centers representing different characteristics were selected; historical center based on 14th century's traditional planning, modern period urban center, which is related with development of railway, and contemporary urban center of late 20th century. Analyse of urban tissue, composed with form and scale of street network, blocks and plots, shows that each urban center of Seoul has certain common attributes in terms of morphology in spite of the difference of formation and development period. However this historical urban forms are rarely applicated in the current urban planning, such as new-town planning or district unit plan. This shows the necessity of modification of urban regulation for preserving the identity of our city and pursuing sustainable development.

• Journal of the Korean Society of Costume
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• v.52 no.2
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• pp.81-90
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• 2002

There are increasing a foreign visitors since 88 Seoul Olympic game. Uniform is getting increased importance as one of the symbols which represent the characteristic of restaurant as well as gloves good impression to the customers and foreign tourist. This study aims at developing uniform packages (including table cloth, mat, napkin, end so on) that satisfy the customers' need and let foreign visitors recognize the outstanding beauty of Korean traditional pattern. For uniform design, It was selected a sumacsae of a the lotus flower motif and developed a textile pattern design by using CAD system. And then the developed textile design was printed a polyster100% fabric by using the digital textile printing system. Uniform packages designs were developed applying traditional sumacsae motif in order to capture a modern stance of beauty under using blue and pink color and same concept of modern image.

• American Studies
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• v.44 no.1
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• pp.39-79
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• 2021

This paper examines professional and popular medical discourse on "mongolism" (Down syndrome) in the early twentieth century to delve into the history of mongolism and the "Oriental imaginary" of modern America. The Oriental imaginary is a concept to explore the ways in which Americans, who had heard of mongolism or seen a "Mongol" themselves, imagined and conceptualized the defect in terms of the contemporary race relations. Moving beyond the interests of medical professionals discussed in the previous scholarship, this paper aims to include views and perceptions of the American public. The second section reviews the existing studies of the history of mongolism in the West. The third section discusses the mongolism of Asians and African Americans, among whom it had long been believed not to occur. Lastly, an analysis of American newspaper health advice columns on mongolism sheds light on the public reception and transmission of medical knowledge.