• Title/Summary/Keyword: traditional system

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A Study on the Modular System in Contemporary Furniture (현대가구에 나타난 모듈라 시스템에 관한 연구)

  • 박영순
    • Journal of the Korean Home Economics Association
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    • v.20 no.1
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    • pp.79-85
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    • 1982
  • The objective of this study is to apply the modular furniture system, which has been developed actively in western Europe and America since 1970's, to Korean contemporary furniture having converted into western style gradually. The factors requiring the modular furniture system in today's residential environment are as follows; 1. Population increase and urbanization 2. Development of industrial technology 3. Improvement of living condition and change of life style. As these factors increase the problem of diminishing space, multiple functional modular furniture concept has become a solution. Reviewing the current scene of the western modular furniture system, it is classified into modular seating system, mopular wall system, modular commode system and modular storage system. Korean wardrobe, which is am mixed style of traditional and contemporary furniture, should change to a closet eventually because of the grand size and unpractical use of space. Since most Korean family, however, have wardrobes already, it will be necessary to have a turning period to systemized the closet space in Korean residential interior. For the turning period, application of the modular wall system would be one answer to substitute the wardrobe.

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A Review on Korean Traditional Medicine Research against Cervical Dysplasia - Focused on Studies of Cervical Cancer and Cervical Dysplasia- (자궁경부 이형증과 관련한 한의약 연구 고찰 - 자궁경부암 및 자궁경부 이형증 논문을 중심으로 -)

  • Yoo, Jeong-Eun;Lee, Ji-Yeon;Yoon, Young-Jin
    • The Journal of Korean Obstetrics and Gynecology
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    • v.26 no.4
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    • pp.191-203
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    • 2013
  • Purpose: This review is to figure out evidence that suggest effectiveness of Korean Medicine treatments against cervical dysplasia. Methods: Studies on cervical cancer and cervical dysplasia were searched through 6 databases: Korean Studies Information Service System(KISS), National Discovery for Science Leaders (NDSL), Korea Institute of Science and Technology Information (Korean TK), Oriental Medicine Advanced Searching Integrated System (OASIS), the Journal of Korean Medicine, and the Journal of Korean Obstetrics & Gynecology. After that, the articles were extracted with reference point of Korean Traditional Medicine. Results: 37 articles were included lastly according to selection criteria. 3 of them were case reports on cervical dysplasia, and 34 were in-vitro studies on Human Papilloma Virus (HPV) positive cancer cell. In case reports, acupuncture, moxibustion, medical herbs and pharmacoacupuncture were used for treatments of cervical dysplasia with about 3 months. Experimental studies on cervical cancer cell showed that several herbs function with clear heat, eliminate stasis (淸熱解毒, 化瘀消腫) have anti-cancer effects inducing apoptosis. Conclusions: The results of articles are not enough to use in practice. Therefore, we indicates more advanced research methodology as follows: development of Korean Medicine treatment protocol with oral and external, in-vivo experimental study, and evaluation immunity index.

Characteristics of Connecting Space in Emerging Upper Class Houses of later Chosun Dynasty (조선 후기 신흥 양반주거의 연속적 공간 특성)

  • Park, Hyung-Jin
    • Korean Institute of Interior Design Journal
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    • v.24 no.1
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    • pp.115-123
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    • 2015
  • It is commonly known that upper class house in Chosun Dynasty has characteristics of connecting space in combination with 'Chae' and 'Madang'. But living territory of traditional residence is connected each other by means of the necessity of dwelling life. So, it can be a fragmentary understanding about traditional houses to consider it as connecting space only from the viewpoint of visual perception. Residential space in later Chosun Dynasty is affected by practical life-style rather than building principle of 'Confucianism' due to the erosion of the caste system and the spread of the modern residential culture. So, it is necessary to consider dwelling life at that time in order to understand spatial characteristics of the residences. Researcher made an assumption that these characteristics were observed in the emerging upper class houses which appear in the process of change of the caste system rather than the traditional upper class houses. The researcher investigated connecting space from 'Bakat-ma-dang' to An-ma-dang of the emerging upper class houses in Gyong-gi province. The goal of this study is to find the properties of connecting space related to dwelling life of the emerging upper class houses in Gyong-gi Province. With this study, the followings are the characteristics of connecting space in emerging upper class houses in later Chosun Dynasty. First, 'An-ma-dang(Courtyard)' comes into close contact with 'Bakat-chae(Outer quarters)' which accommodate the complex functions, 'An-ma-dang' plays an mediating role between 'An-chae' and 'Bakat-chae' Second, 'Bakat-chae' generally encases 'An-ma-dang' which is central territories of dwelling life, and the men's area of 'Bakat-chae' considerably has opening space towards the outside. Third, 'Anmadang' plays an mediating role of male's and female's living territory, and it plays an important role in connecting space where labor forces are concentrated.

Review on Bioelectrical Impedance Analysis in Traditional East Asian Medicine (생체 전기 임피던스 분석의 한의학적 적용을 위한 연구동향)

  • Bae, Jang Han;Kim, Young Min;Kim, Keun Ho;Kim, Jaeuk
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.27 no.6
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    • pp.717-729
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    • 2013
  • Bioelectrical Impedance Analysis (BIA) is a non-invasive and low-cost technique that estimates body composition based on the distribution of water and electrolytes in the body by analyzing body's electrical responses to source voltages. In this work, we carried out a systematic literature review on BIA researches in traditional East Asian medicine (TEAM). For comparison, firstly we introduced the concept and principle of BIA, and offered a general overview of research trends in western medical perspectives. We searched through the databases of Oriental Medicine Advanced Searching Integrated System and DataBase Periodical Information Academic for the articles published between 1994 and 2013, with keywords such as 'BIA', 'bioelectrical impedance' and 'impedance'. Among the rough-searched 274 articles, we finally selected 21 articles appropriate to the intended research field. The selected articles were categorized into diagnosis in Sasang medicine, impedance analysis in meridian system, and change of body composition after taking herbal medicine. We found that most of BIA researches in TEAM were preliminary and remained in the peripheral levels which is far behind the western medical research activities. Therefore, more efforts are needed to study BIA in association with major subjects such as pattern identification or physiological/pathological phenomena. In addition, methodological breakthrough of BIA is possible by applying the diagnostic concepts of the TEAM in relation to the balance of Qi and Blood.

Design and Utilization of Solar Collector for Drying Agricultural Products (농산물(農産物) 건조(乾燥)를 위(爲)한 태양열(太陽熱) 집열기(集熱機)의 제작(製作) 및 이용(利用)에 관(關)한 연구(硏究))

  • Koh, Hak Kyun;Kum, Dong Hyeug
    • Journal of Biosystems Engineering
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    • v.6 no.2
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    • pp.48-57
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    • 1982
  • In order to improve the quality of traditionally sun-dried red peppers and to increase the efficiency of drying performance, three types of solar dryers were designed and built, and drying performance of the solar dryers was compared to traditional sun drying. Results obtained from the experiment are summarized as fallows: 1. The air temperature and relative humidity profiles over a 8-hour period measured at the specified locations in the drying chamber of solar dryers appeared to have large variation in each dryer. The rate of drying increased with the temperature rise in the drying chamber of the solar dryer. 2. In general. drying with solar dryers proceeded faster than traditional sun drying. With A'-type of solar dryer developed in the second experiment it was possible to dry red peppers in seven days from an initial moisture content of 80% to safe storage conditions. The drying time with the A'-type solar drier was 50% shorter compared to traditional sun drying. 3. Red peppers appeared to have an increasing or constant-rate drying period until the weight of the product was reduced to about one half the initial weight, followed by a falling-rate drying period. When the dried red peppers were exposed to the atmospere during the night, the moisture content increased as much as 6%, which is much higher than for the grains. 4. It was suggested from the experiment that either a heat storage system or a supplemental heating system in the solar dryer was desirable for more efficient drying operation. 5. It was shown that the solar dryer developed in this study may be suitable for drying other vegetables and fishes, and also offered additional advantages of saving in drying time, maintaining sanitation and minimizing contamination by dust, insects and unfavorable weather condition.

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Analysis of Operation Cost Savings Effects of Direct Delivery Logistics Strategy Considering Carbon Emission (탄소배출을 고려한 직배송 물류전략의 운영비용 절감효과 분석)

  • Kim, Mi-Rye;Cho, In-Ho
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.6
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    • pp.653-661
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    • 2017
  • This study compares and analyzes the operation costs of traditional and direct delivery strategies considering carbon emissions. For the determination of minimum operation costs and order quantity, we use the Economic Order Quantity (EOQ) model, which is the proper method for calculate the operation costs by logistics strategy. Using the classical EOQ model, we expand the EOQ model considering carbon emissions and domestic logistics environment. We conduct an empirical study on two agri-food logistics strategies under limitation of the carbon emissions using the expanded EOQ model. From the results of the empirical study, we find that the operation costs of direct delivery strategy are about 50% lower than those of the traditional strategy. Economic order quantity is also smaller than that of the traditional strategy. These results indicate that agri-food products can be transported quickly and freshly under direct delivery strategy. Consequently, considering carbon emissions, direct delivery logistics strategy are analyzed to have more positive effect on economic and environmental issues than existing logistics strategy. It is judged that direct strategy will also increase the freshness of agricultural products.

Multiple Pounding Tuned Mass Damper (MPTMD) control on benchmark tower subjected to earthquake excitations

  • Lin, Wei;Lin, Yinglu;Song, Gangbing;Li, Jun
    • Earthquakes and Structures
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    • v.11 no.6
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    • pp.1123-1141
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    • 2016
  • To explore the application of traditional tuned mass dampers (TMDs) to the earthquake induced vibration control problem, a pounding tuned mass damper (PTMD) is proposed by adding a viscoelastic limitation to the traditional TMD. In the proposed PTMD, the vibration energy can be further dissipated through the impact between the attached mass and the viscoelastic layer. More energy dissipation modes can guarantee better control effectiveness under a suite of excitations. To further reduce mass ratio and enhance the implementation of the PTMD control, multiple PTMDs (MPTMD) control is then presented. After the experimental validation of the proposed improved Hertz based pounding model, the basic equations of the MPTMD controlled system are obtained. Numerical simulation is conducted on the benchmark model of the Canton Tower. The control effectiveness of the PTMD and the MPTMD is analyzed and compared under different earthquake inputs. The sensitivity and the optimization of the design parameters are also investigated. It is demonstrated that PTMDs have better control efficiency over the traditional TMDs, especially under more severe excitation. The control performance can be further improved with MPTMD control. The robustness can be enhanced while the attached mass for each PTMD can be greatly reduced. It is also demonstrated through the simulation that a non-uniformly distributed MPTMD has better control performance than the uniformly distributed one. Parameter study is carried out for both the PTMD and the MPTMD systems. Finally, the optimization of the design parameters, including mass ratio, initial gap value, and number of PTMD in the MPTMD system, is performed for control improvement.

Performance Estimation of Hybrid Solar Air-Water Heater on Single Working of Heating Medium (복합형 태양열 가열기에서 열매체 단일운전에 따른 기기성능 평가)

  • Choi, Hwi-Ung;Yoon, Jung-In;Son, Chang-Hyo;Choi, Kwang-Hwan
    • Journal of the Korean Solar Energy Society
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    • v.34 no.6
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    • pp.49-56
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    • 2014
  • Research about hybrid solar air-water heater that can make heated air and hot water was conducted as a part of improving efficiency of solar thermal energy. At this experiment, ability of making heating air and hot water was investigated and compared with traditional solar air heater and flat plate solar collector for hot water when air or liquid was heated respectively. Comparing hybrid solar air-water heater that used in this experiment to other solar air heater studied already, it has a lower efficiency at same mass flow rate. Air channel structure, fin's shape and arrangement in the air channel result in these difference then the ability of air heating need to be improved with changing these thing. In case of making hot water, performance was shown as similar with traditional system although the air channels were established beneath absorbing plate. But the heat loss coefficient was shown higher value by installing of air channel. Also the performance of hot water making was shown lower value at same liquid mass flow rate with traditional flat plate solar collector for hot water. So the necessity of performance improvement at lower mass flow rate of each heating medium can be confirmed.

A Study on Thermal Storage Performance and Characteristics of Daily Operation of a Hybrid Solar Air-Water Heater (복합형 태양열 가열기의 일일 운전 특성 및 축열 성능에 관한 연구)

  • Choi, Hwi-Ung;Rokhman, Fatkhur;Yoon, Jung-In;Son, Chang-Hyo;Choi, Kwang-Hwan
    • Journal of the Korean Solar Energy Society
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    • v.35 no.3
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    • pp.73-79
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    • 2015
  • In this study, a thermal storage performance and characteristics of daily operation were investigated when the air and the liquid were heated simultaneously by a hybrid solar air-water heater that can make hot water as well as heated air. The hybrid solar air-water heater is kind of a flat plate solar collector that can make hot water and heated air by installing air channel beneath absorber plate of traditional flat plate solar collector for hot water. As a result of daily operation, maximum water temperature reached in a thermal storage was shown $44^{\circ}C$ on 73kg/h of air mass flow rate and about $40^{\circ}C$ on 176kg/h of air mass flow rate. Thus, the necessity of heating water in thermal storage by operating only liquid side was confirmed when the temperature of liquid in thermal storage is lower than we need. In case of efficiency investigated on daily operation, the thermal efficiency of the liquid side was decreased with increment of the inlet liquid temperature and decrement of the solar radiation, but efficiency of the air side was increased with increment of inlet liquid temperature difference as the traditional solar air heater. Total thermal efficiency of the collector was shown from 65.85% to 78.23% and it was decreased with increment of the inlet liquid temperature and decrement of solar radiation same as the traditional system.

Constructing for Korean Traditional culture Corpus and Development of Named Entity Recognition Model using Bi-LSTM-CNN-CRFs (한국 전통문화 말뭉치구축 및 Bi-LSTM-CNN-CRF를 활용한 전통문화 개체명 인식 모델 개발)

  • Kim, GyeongMin;Kim, Kuekyeng;Jo, Jaechoon;Lim, HeuiSeok
    • Journal of the Korea Convergence Society
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    • v.9 no.12
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    • pp.47-52
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    • 2018
  • Named Entity Recognition is a system that extracts entity names such as Persons(PS), Locations(LC), and Organizations(OG) that can have a unique meaning from a document and determines the categories of extracted entity names. Recently, Bi-LSTM-CRF, which is a combination of CRF using the transition probability between output data from LSTM-based Bi-LSTM model considering forward and backward directions of input data, showed excellent performance in the study of object name recognition using deep-learning, and it has a good performance on the efficient embedding vector creation by character and word unit and the model using CNN and LSTM. In this research, we describe the Bi-LSTM-CNN-CRF model that enhances the features of the Korean named entity recognition system and propose a method for constructing the traditional culture corpus. We also present the results of learning the constructed corpus with the feature augmentation model for the recognition of Korean object names.