• Title/Summary/Keyword: High reliability

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Comparison Study on the Make-up Cultures between the Ching dynasty in China and the Edo Age in Japan based on their Aesthetic Consciousness (중국(中國) 청(淸) 왕조시대(王朝時代)와 일본(日本) 강호시대(江戶時代)의 미의식(美意識)에 따른 화장문화(化粧文化) 비교 연구)

  • Ahn, Hyun-soon;Koh, Jung-min
    • Cross-Cultural Studies
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    • v.27
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    • pp.59-79
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    • 2012
  • China and Japan are geographically close and the two countries had shared the Chinese Character Culture and the thoughts of Confucianism, Buddhism and Taoism since the ancient age. They also actively exchanged culture in various areas. Some cultural exchanges had been caused by surrounding environment and culture had been introduced to other country in a natural way; while some cultural exchanges had been forcibly introduced through artificial process. It is believed that such cultural phenomenon must have had impact on the make-up cultures of the two countries and it was assumed that there must have been commons and differences in the make-up cultures of the two countries. This study explored the historical background of the Ching dynasty of China and the Edo Age in Japan, which are in the same time frame, and studied the aesthetic consciousness of the two countries at the time. Then the make-up style of ladies in the two countries had been studied to find out how their aesthetic consciousnesses had been expressed in the make-ups of the two countries. Then the commons and differences in make-up skills between the two countries had been identified. According to the study results, the main stream of aesthetics during the Ching dynasty in China can be classified into Confucianism aesthetics and Taoism aesthetics. On the other hand, the main stream of aesthetics during the Edo Age in Japan can be classified into "mitate(見立)", "ikki(いき)" and "garumi(かるみ). The skin care in the make-up culture of Ching dynasty in China was based on "rouge (?脂, yanzhi)" and "powder(粉, fen)". The Ching ladies loved the make-up style using rouge. It had been same both in the high society and common people. The eyebrow care was delicate and curved so that the feminine beauty with elegant spirit could be emphasized. The lips had been expressed to be smaller and the ladies tried to express elegance and reliability, rather than frail and tender feminine image. The skin care in the make-up culture of Edo Age in Japan focused on even applying of white powder so that the face would look soft. The eyebrow make-up was a very important part of the make-up. The shapes of eyebrow had been advanced in various styles and there had been eyebrow make-up styles such as "crescent-shaped brow (三日月), "crane style brow (鶴眉) and "Tang style brow (唐眉). The lips had been applied of thick red color, imitating the make-up skill of the ladies in the entertainment business. The lips make-up skill expressing the lips in two colors had been quite popular. Among the make-up skills during the Edo Age in Japan, the "black teeth (齒黑)" can be said as the most unique make-up style of Edo Age.

A Study on the Repair of Fatigue Damage at Large Cast Iron structure using Cold Joint Method (냉간체결방법을 이용한 대형 주철 구조물의 피로손상수리방법에 대한 연구)

  • Lee, Sung-Riong;Lee, Dong Jun;Cho, Seok Swoo
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.20 no.10
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    • pp.140-148
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    • 2019
  • Large cast iron structures are used in casings and pipes in shipsand chemical plants. Broken parts in the casings and pipescan result in failures even when stresses are below the yield strength of the part's materials. Fatigue failure of a large cast iron structure is inevitable due to the design constraints and low reliability of the material strength. A small structure can be repaired by welding, but a large structure cannot because it cannot be preheated slowly and uniformly. This study shows that a large structure can be repaired by a cold joint method using a crack repair screw. Large cast iron structures were manufactured by GC 300, and their design stress is below 3.5 MPa. The tensile strength on notched specimens repaired by crack repair screws was 8.2 MPa. Therefore, the safety factors of structures repaired by crack repair screws have a value above 2.3 and are considered to be high values.

The Effect of Leader's Coaching and LMX on Innovative Behavior of Automotive VR Technology Researcher: Focusing on Mediated Effect of Resilience

  • Dai, Hao;Kim, Tae Hyun;Yang, Xiao Jing
    • Journal of the Korea Society of Computer and Information
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    • v.24 no.11
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    • pp.163-170
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    • 2019
  • In this study, we tried to demonstrate the influence of leader's coaching and LMX on the member's innovation vibrator and to provide implications. This study reviewed the reader's coaching, LMX, the theories of the member's innovation behabior, resiliency, and the studies and discussions that have been carried out in the past, and finally produced five hypotheses. To verify this research theory, this study collected data from 320 automotive company researchers using VR interaction technology. The collected data were used for frequency analysis, reliability analysis, exploratory factor analysis, confirmatory factor analysis, structural equation analysis. An Empirical Analysis are confirming a result of this study can be summarized as follows. First, leader's coaching have a positive effect on resilience. Second, is have a positive effect on resilience lmx. Third, the researchers is high resilience innovative behavior to promote positive influence. Fourth, resilience leader's coaching the innovative behavior the impact on. Fifth, are lmx resilience innovative behavior the impact on. Through the conclusion and discussion section, the theoretical practical significance of this study and the limitations of the research and the direction of future research are presented.

Evaluation of Introducing Feasibility of Blockchain Technology to Food Safety Management Network (식품안전관리망 강화를 위한 블록체인 기술 도입의 적절성 평가)

  • Kwon, So-Young;Min, Kyong-Se;Cho, Seung Yong
    • Journal of Food Hygiene and Safety
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    • v.34 no.5
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    • pp.489-494
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    • 2019
  • The appropriateness of introducing blockchain technology into food safety management systems was evaluated by conducting a survey of experts on the effectiveness and constraint evaluation indicators, and a portfolio analysis was conducted to set the priorities of blockchain application. The food safety management activities considered in this study were issuing documents on food import/export, food hygiene rating scheme, civil complaint management in the food sector, food- related certification, risk information management, and food traceability systems. The sectors that can be expected to be effective in the introduction of blockchain technology were food- related certification, food hygiene rating scheme, risk information management, and issuing documents on food import/export. In the case of food traceability systems and civil complaint management, the introduction of blockchain technology was not recommended due to ineffectiveness. From the evaluation of the constraints (e.g., technical limits, cost, legal amendment, personal information disclosure, timeliness, and ease of connection) to be overcome when introducing blockchain into food safety management, it was found that there are more than average constraints in all six areas. In particular, the food traceability system was evaluated to have the most constraints. Issuing documents on food import/export is very effective with the introduction of blockchain technology, but due to high cost and legal restrictions, it is necessary to improve the institutional system in order to introduce blockchain. Among the evaluation sectors, food- related certification, food hygiene rating scheme, and risk information management on foods were suitable for preferentially adopting blockchain technology since these areas might experience greatly improved reliability and transparency through the introduction of blockchain, with relatively low constraints.

Study of Local Area Weather Condition Monitoring System in WSN (WSN기반의 국지적 기상모니터링 시스템 고찰)

  • Chung, Wan-Young;Jung, Sang-Joong;Kim, Jong-Jin;Kwon, Tae-Ha
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2009.05a
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    • pp.271-276
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    • 2009
  • An local area weather condition monitoring system to minimize many disasters from the sudden change of weather condition in local and mountain area is proposed. Firstly, the comparison of present state of the related monitoring systems and the possibility of realization with some merits are investigated. Moreover, this paper present direction of local area weather condition monitoring system based on integration of wireless sensor network and CDMA network following some case study. Through the efficient integration of both networks, the measured weather condition data from sensors can be transmitted to the server or mobile to monitor with high reliability. The proposed monitoring system will guide new type of project in wireless sensor network and support alarm service of the sudden change of weather condition to mobile user from central official regulations.

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Reliable multi-hop communication for structural health monitoring

  • Nagayama, Tomonori;Moinzadeh, Parya;Mechitov, Kirill;Ushita, Mitsushi;Makihata, Noritoshi;Ieiri, Masataka;Agha, Gul;Spencer, Billie F. Jr.;Fujino, Yozo;Seo, Ju-Won
    • Smart Structures and Systems
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    • v.6 no.5_6
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    • pp.481-504
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    • 2010
  • Wireless smart sensor networks (WSSNs) have been proposed by a number of researchers to evaluate the current condition of civil infrastructure, offering improved understanding of dynamic response through dense instrumentation. As focus moves from laboratory testing to full-scale implementation, the need for multi-hop communication to address issues associated with the large size of civil infrastructure and their limited radio power has become apparent. Multi-hop communication protocols allow sensors to cooperate to reliably deliver data between nodes outside of direct communication range. However, application specific requirements, such as high sampling rates, vast amounts of data to be collected, precise internodal synchronization, and reliable communication, are quite challenging to achieve with generic multi-hop communication protocols. This paper proposes two complementary reliable multi-hop communication solutions for monitoring of civil infrastructure. In the first approach, termed herein General Purpose Multi-hop (GPMH), the wide variety of communication patterns involved in structural health monitoring, particularly in decentralized implementations, are acknowledged to develop a flexible and adaptable any-to-any communication protocol. In the second approach, termed herein Single-Sink Multi-hop (SSMH), an efficient many-to-one protocol utilizing all available RF channels is designed to minimize the time required to collect the large amounts of data generated by dense arrays of sensor nodes. Both protocols adopt the Ad-hoc On-demand Distance Vector (AODV) routing protocol, which provides any-to-any routing and multi-cast capability, and supports a broad range of communication patterns. The proposed implementations refine the routing metric by considering the stability of links, exclude functionality unnecessary in mostly-static WSSNs, and integrate a reliable communication layer with the AODV protocol. These customizations have resulted in robust realizations of multi-hop reliable communication that meet the demands of structural health monitoring.

Geostatistical Integrated Analysis of MASW and CPTu data for Assessment of Soft Ground (연약지반 평가를 위한 MASW탐사와 CPTu 자료의 지구통계학적 복합 분석)

  • Ji, Yoonsoo;Oh, Seokhoon;Im, Eunsang
    • Geophysics and Geophysical Exploration
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    • v.19 no.4
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    • pp.187-199
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    • 2016
  • In order to delineate the soft ground distribution, an integrated geostatistical analysis was performed using the MASW (Multichannel Analysis of Surface Wave) which has the information of overall region and CPTu (Piezo Cone Penetration Test) which provides the direct information of the measuring point of the ground. MASW results were known to have close relationship with the ground stiffness. This correlation was confirmed through the comparison of MASW data obtained from two survey lines to the laboratory test with extracted soil samples. 3D physical property distribution in the study area was acquired by geostatistical integrated analysis with the data of tip resistance ($q_c$) and pore pressure (u) from the CPTu obtained at 6 points within the study area. The integrated analysis was conducted by applying the COSGSIM (Sequential Gaussian Co-Simulation) technology which can carry out the simulation in accordance with the spatial correlation between the MASW results and both tip resistance and pore pressure. Besides the locations of CPTu, borehole investigations were also conducted at two different positions. As a result, the N value of SPT and borehole log could be secured, so these data were used for the analysis of the geotechnical engineering accuracy of the integrated analysis result. For the verification of reliability of the 3D distribution of tip resistance and pore pressure secured through integrated analysis, the geotechnical information gained from the two drilling areas was compared, and the result showed extremely high correlation.

Analysis of the Necessity of Medical Records Related to Radiological Examination (방사선검사의 의무기록에 관한 요구도 분석)

  • Hong, Dong-Hee;Lim, Cheong-Hwan;Lim, Woo-Taek;Joo, Young-Cheol;Jung, Hong-Ryang;Kim, Eun-Hye;Yoon, Yong-Su;Jung, Young-Jin;Choi, Ji-Won;Jeong, Sung-Hun;Park, Myeong-Hwan;Yang, Oh-Nam;Jeong, Bong-Jae
    • Journal of radiological science and technology
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    • v.44 no.5
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    • pp.513-523
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    • 2021
  • The purpose of this study was to discuss the required items and feasibility of medical records of radiological examinations performed by radiological technologists at medical institutions. An online survey was conducted to a total of 10,000 radiation-related workers, of which 1,026 (10.3%) responded. As a research method, self-made questionnaires were used. The online survey was conducted from September 10 to September 20, 2021 for the survey period. For response data, a Chi-square test was performed according to demographic characteristics using SPSS 27.0 version (IBM Inc., Chicago, Ill, USA), and it was judged to be significant when the P value was less than 0.05. The reliability of the questionnaire response was found to be Chronbach α=0.933. More than 90% of the medical records related to radiological examinations are necessary, and they answered that a curriculum, remuneration curriculum, and legal system for medical records should be prepared. More than 90% of the respondents agreed with the proposal of the Radiological Technologist Independent Act for legal preparation, and most of the information required for medical records is currently recorded in DICOM images. According to the demographic characteristics, the medical record requirement for radiological examination, curriculum, continuing education, and legislation were found to be higher with higher education and higher with longer working experience. In addition, most of the radiology departments showed a high demand for medical records, so most of them responded positively to the medical records requirements for radiological examinations. This study analyzed the medical record requirements for radiological examinations, and as shown in the results, medical record requirements for radiological examinations was found that most radiological technologists felt need for the new law and supported it. In addition, if the information recorded in the DICOM image is used, it is considered that medical records could be easily prepared without additional work by the radiological technologists.

A study on the effect of online learning according to the difference between personal and social motivation after COVID-19 (COVID-19 이후 개인적 동기와 사회적 동기차이에 따른 온라인 학습효과 연구)

  • Chin, HongKun
    • Journal of the Korea Convergence Society
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    • v.12 no.9
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    • pp.113-120
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    • 2021
  • As a result, the interaction between personal motivation and class type is not significant. On the other hand, the interaction between social motivation and class type is significant and overall online class increases engagement with educational issues. In particular, the group with low social motivation showed greater change than the group with high social motivation, so online education seems to be more effective in the group with low social motivation. It means that by stimulating students' social motivation rather than personal motivation, the effectiveness of online education can be enhanced, and it can lead to education outcomes - behavioral changes and attitudes of learners. In order to revitalize social motivation in the intensely personal space of online, it is necessary to activate social communication methods such as SNS, and development of interpersonal issues and learning materials would be more efficient. In order to derive more specific results, it is necessary to measure the level of prior knowledge and involvement of the participants in class, and to comprehensively investigate and analyze the state of learners before and after class through more variables. Finally, in order to increase the reliability of the research results, it is necessary to clearly prove it through the establishment of a structural model.

On Study of Runoff Analysis Using Satellite Information (위성자료를 이용한 유출해석에 관한 연구)

  • Kang, Dong Ho;Jeung, Se Jin;Kim, Byung Sik
    • Journal of Korean Society of Disaster and Security
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    • v.14 no.2
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    • pp.13-23
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    • 2021
  • This study intended to assess the reliability of topographic data using satellite imaging data. The topographical data using actual instrumentation data and satellite image data were established and applied to the rainfall-leak model, S-RAT, and the topographical data and outflow data were compared and analyzed. The actual measurement data were collected from the Water Resources Management Information System (WAMIS), and satellite image data were collected from MODIS observation sensors mounted on Terra satellites. The areas subject to analysis were selected for two rivers with more than 80% mountainous areas in the Han River basin and one river basin with more than 7% urban areas. According to the analysis, the difference between instrumentation data and satellite image data was up to 50% for peak floods and up to 17% for flood totals in rivers with high mountains, but up to 13% for peak floods and up to 4% for flood totals. The biggest difference in the video data is Landuse, which shows that MODIS satellite images tend to be recognized as cities up to 60% or more in urban streams compared to WAMIS instrumentation data, but MODIS satellite images are found to be less than 5% error in forest areas.