• Title/Summary/Keyword: Application evaluation

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The Application of Dump Combustor for Evaluation of DPF(Diesel Particulate Filter) System (DPF 성능 평가를 위한 Dump Combustor의 활용)

  • Nam, Youn-Woo;Lee, Won-Nam;Oh, Kwang-Chul;Lee, Chun-Beom
    • 한국연소학회:학술대회논문집
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    • 2007.05a
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    • pp.98-103
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    • 2007
  • The number of vehicles employing diesel engines is rapidly rising. Accompanying this trend, application of an after-treatment system is strictly required as a result of reinforced exhaust regulations. The Diesel Particulate Filter (DPF) system is considered as the most efficient method to reduce particulate matter (PM), but the improvement of a regeneration performance at any engine operation point presents a considerable challenge by itself. Temperature, gas compostion and flow rate of exhaust gas are important parameters in DPF evaluation, especially regeneration process. Engine dynamometer and degment tester are generally used in DPF evaluation so far. But these test method couldn't reveal the effect of various parameters on real DPF, such as O2 concentration, amount of soot and exhaust gas temperature. This research has studied the possibility using dump combustor that used to take an approach lean premixed combustion in gas turbine for a DPF power and optimized. It is possible that utilize the system as DOC (Diesel Oxidation Catalyst) and SCR(Selective Catalytic Reduction) assessments test as well as DPF evaluation

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Evaluation of Adverse Drug Properties with Cryopreserved Human Hepatocytes and the Integrated Discrete Multiple Organ Co-culture (IdMOCTM) System

  • Li, Albert P.
    • Toxicological Research
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    • v.31 no.2
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    • pp.137-149
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    • 2015
  • Human hepatocytes, with complete hepatic metabolizing enzymes, transporters and cofactors, represent the gold standard for in vitro evaluation of drug metabolism, drug-drug interactions, and hepatotoxicity. Successful cryopreservation of human hepatocytes enables this experimental system to be used routinely. The use of human hepatocytes to evaluate two major adverse drug properties: drug-drug interactions and hepatotoxicity, are summarized in this review. The application of human hepatocytes in metabolism-based drug-drug interaction includes metabolite profiling, pathway identification, P450 inhibition, P450 induction, and uptake and efflux transporter inhibition. The application of human hepatocytes in toxicity evaluation includes in vitro hepatotoxicity and metabolism-based drug toxicity determination. A novel system, the Integrated Discrete Multiple Organ Co-culture (IdMOC) which allows the evaluation of nonhepatic toxicity in the presence of hepatic metabolism, is described.

A Study on Middle School Student′s Application of Home Economics Course and Its Related Variables (중학교 학생의 가정교과 활용도와 관련변수에 관한 연구)

  • 김경숙;박미금
    • Journal of Korean Home Economics Education Association
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    • v.10 no.1
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    • pp.95-106
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    • 1998
  • The purposes of this study is to find middle school student's application of Home Economics course and its related variables. The samples are 323 middles school students in Kangneung. For the statistics analysis of this study, frequency, mean, Cronbach's a coefficient, ANOVQ, t-test, Pearson'correlation and multiple regression were calculated. The results of this study are summarized as follows ; 1. It is appeared that middle school student's application of Home Economics course are the food, human development and family relationship family, resources management and the consuming, the clothing. 2. Variables that affect middle school student's application of Home Economics course are the vocation of father, way of learning about home life skill, agreement with educational goal of Home Economic, evaluation of Home Economic teacher, evaluation of education field, participation in class of Home Economic and needs for Home Economics. 3. The explanation degree of these seven variables is 27.7% and needs for Home Economics is the most domineering variables.

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Application Examples of CFD at the Planning Stage of High-Rise Buildings

  • Hiroto, Kataoka;Yoshiyuki, Ono;Kota, Enoki;Yuichi, Tabata;Satoko, Kinashi
    • International Journal of High-Rise Buildings
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    • v.11 no.3
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    • pp.145-156
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    • 2022
  • Application examples of computational fluid dynamics (CFD) in the planning stage of high-rise buildings are introduced. First, we introduce examples of applications in the environmental field. The pedestrian wind environment was one of the earliest practical examples of CFD. CFD was also employed to validate the heat island mitigation measures proposed as part of the new construction plan. Second, application examples of wind-force evaluations are introduced. Prediction examples are presented for the peak wind pressure around a complex-shaped building and the wind force evaluation for a base-isolated building. The results prove that the results of the proper execution of CFD are equivalent to those of the wind tunnel experiment. As examples of CFD applications of other issues related to high-rise building planning, we introduce snow accretion on outer walls and high-temperature exhaust from emergency generators. Finally, the future prospects for the use of CFD are discussed.

Importance, Support and Application for Contract Foodservice Management Company′s Infra-System in the Viewpoint of Headquarters and Branch Office (위탁급식전문업체의 운영관리 인프라 시스템에 대한 본사와 업장 측면에서의 중요도, 지원도, 활용도 탐색)

  • 양일선;박문경;한경수;채인숙;박소현;이해영
    • Korean Journal of Community Nutrition
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    • v.9 no.2
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    • pp.233-240
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    • 2004
  • This study was design to grope the suggestions leading synergic effects by bridging the gap between headquarters and branch office, and so to identify the infra-system of contract foodservice management company (CFMC) necessary for operating any kind of branch office including school, hospital and business and industry (B&I). Among 8 categories consisted of infra-system in CFMC, 'C8. Evaluation & analysis for branch office's operation' was the most important category in the headquarter's viewpoint, while 'C3. Sanitation management system' was the most important category in branch office's viewpoint. In support and application, 'C3. Sanitation management system' was the highest category in both headquarters and branch offices including school, hospital and B&I. As a result of analysis on gap between main and branch office in importance, support and application in 8 categories, the efforts of communication and community of perception for infrastructure were needed, because 'C4. Education & training for human resource management (HRM) system' and 'C8. Evaluation & analysis for branch office's operation' in importance, 'C2. Menu management system', 'C4. Education & training for HRM system', 'C6. Facility & utility support system' and 'C8. Evaluation & analysis for branch office's operation' in support had a gap. Correlation analysis to grasp the relation between importance of infra-system and headquarters' support or branch office's application showed that headquarters's importance and support were correlated positively in 'C3. Sanitation management system', 'C6. Facility & utility support system', 'C7. Customer satisfaction management system' and 'C8. Evaluation & analysis for branch office's operation' and branch office's importance and application were correlated positively in 'C1. Procurement & food processing system', 'C5. Management Information system', 'C7. Customer satisfaction management system' and 'C8. Evaluation & analysis for branch office's operation'. Lastly, 'C6. Facility & utility support system' in the branch office of school and hospital and 'C2. Menu management system' in the branch office of B&I were high in importance, low in support and application, therefore Intensive support for these categories was needed. In conclusion, continuous check and improvement for categories, which were identified as an urgent problems to be solved in this study, among infra-structure qualifying for CFMC, would enable contract foodservice industry that has grown quantitatively till now to grow qualitatively.

Calibration and accuracy evaluation of airborne digital camera images (항공기용 디지털 영상에 대한 검정(Calibration) 및 정확도 평가)

  • 이승헌;위광재;이강원;이홍술
    • Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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    • 2004.04a
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    • pp.183-195
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    • 2004
  • Photogrammetry is one of the most important sources of GIS application. Nowadays, color photos are used and camera is integrated with GPS/INS sensors. However the photos are still taken from analogue camera and scanned for digital image. For the convenient and accurate image application especially for 3D, airborne digital camera images is essential. In this paper, digital image calibration process with GPS/INS and its accuracy evaluation was presented.

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UX Design Evaluation and its Approach to Mobile Applications for Smart Appliances (스마트 애플리케이션 UX 디자인 평가 접근 방법)

  • You, Si Cheon;Choi, Jinyoung;Sim, Mihee
    • Smart Media Journal
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    • v.8 no.3
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    • pp.70-79
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    • 2019
  • Implementing UX design that meets user expectations has become an important variable that determines the prominence of smart home appliances. This study addresses the UX design evaluation issues in mobile application development of smart home appliances. As an experimental research subject, the UX design evaluation contents were set up for the mobile application of , the demand of which is surging recently. The purpose of the research is to explore the significance of the UX design user evaluation method in smart home applications, and to suggest how to achieve the mixing of quantitative and qualitative evaluation methods. The main findings are as follows. First, we found that user evaluation can positively impact the direction of UX design. Secondly, we found that the mixing of 'quantitative' and 'qualitative' methods works complementarily to UX design evaluation. Research implications are as follows. The UX design evaluation process can be performed efficiently as long as we distinguish between the roles of quantitative evaluation and qualitative evaluation. For example, through qualitative evaluation such as 'Honeycomb model', can be identified in terms of 'exploratory', and through qualitative evaluation such as 'in-depth user interview', can be identified in terms of 'assessment' and 'validation'.