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Multiple dependent state repetitive sampling plans based on one-sided process capability indices
Yen, Ching-Ho,Chang, Chia-Hao,Aslam, Muhammad,Jun, Chi-Hyuck Informa UK (TaylorFrancis) 2018 Communications in Statistics Vol.47 No.6
<P>In this research, multiple dependent state and repetitive group sampling are used to design a variable sampling plan based on one-sided process capability indices, which consider the quality of the current lot as well as the quality of the preceding lots. The sample size and critical values of the proposed plan are determined by minimizing the average sample number while satisfying the producer's risk and consumer's risk at corresponding quality levels. In addition, comparisons are made with the existing sampling plans [Pearn and Wu (2006a), Yen etal. (2015)] in terms of average sample number and operating characteristic curve. Finally, an example is provided to illustrate the proposed plan.</P>
Multipoint Fuzzy Prediction for Load Forecasting in Green Buildings
Hsuan-Hao Chang,Wei-Yu Chiu,Ting-Yen Hsieh 제어로봇시스템학회 2016 제어로봇시스템학회 국제학술대회 논문집 Vol.2016 No.10
A novel load forecasting mechanism that uses fuzzy logic and big data, termed multipoint fuzzy prediction (MPFP), is proposed. The prediction mechanism is based on historical data and, therefore, is adaptive to dynamic changes over time when the database is updated properly. The MPFP can be combined with green buildings and renewable energy sources to reduce peak loads and energy consumption. An energy management system (EMS) can be integrated into the framework to achieve an improved level of performance. On the basis of a prediction of load curves, the EMS can discharge energy storage devices when electricity prices are high and charge them when electricity prices are low, reducing costs. Real power demand data were employed to illustrate the validity of the proposed MPFP scheme.
Shih-Hao Yu,Fu-Der Mai,Wei-Yu Kao,Hui-Yen Tsai,Yu-Chuan Liu 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.127 No.-
Water is the most common solvent in our daily lives. This solvent has advantages of green environmentalprotection and low cost. Water is conventionally considered to be an inert solvent, yet it is relatively polarand can form a large number of hydrogen bonds (HBs). But this property also inhibits the dissolution ofmany non-polar gases, causing many important electrocatalytic reactions performed in it to have lowefficiencies. In this work, we propose an innovative application of solar energy-generated active purewater (APW) with reduced HBs to enhance chemical reactions and physical procedures. Compared toconventional deionized water (DIW), the generated APW possessed a lower specific heat of ca. 0.96. The swelling degree of artificial skin in APW significantly increased by ca. 29%. Moreover, the densityof an ethanol/APW solution significantly increased by 0.21% due to more free water molecules beingavailable in APW to form stronger HBs with ethanol. Encouragingly, efficiencies of hydrogen evolutionreactions performed in an APW-based acidic solution and oxygen evolution reactions performed in anAPW-based basic solution significantly increased by 42% and 17%, respectively, compared to DIWbasedsolutions. The developed APW based on utilizing solar energy can create a more-effective greenprocess.
Hsu-Heng Yen,Meng-Tzu Weng,Chien-Chih Tung,Yu-Ting Wang,Yuan Ting Chang,Chin-Hao Chang,Ming-Jium Shieh,Jau-Min Wong,Shu-Chen Wei 대한장연구학회 2019 Intestinal Research Vol.17 No.1
Background/Aims: Incidences of inflammatory bowel disease (IBD), ulcerative colitis (UC), and Crohn’s disease (CD), havebeen increasing in Asia. In this study, we report the relevant clinical characteristics and determined the epidemiological trend ofIBD in Taiwan from 2001 to 2015. Methods: A retrospective study was conducted to analyze data recorded from January 2001through December 2015 in the registered database compiled by the National Health Insurance and provided by the Ministry ofHealth and Welfare, Taiwan. Results: A total of 3,806 patients with catastrophic IBD illness were registered from 2001 to 2015 inTaiwan (CD, 919; UC, 2,887). The crude incidence of CD increased from 0.17/100,000 in 2001 to 0.47/100,000 in 2015, whereasthat of UC increased from 0.54/100,000 in 2001 to 0.95/100,000 in 2015. The prevalence of CD increased from 0.6/100,000 in2001 to 3.9/100,000 in 2015, whereas that of UC increased from 2.1/100,000 in 2001 to 12.8/100,000 in 2015. The male-to-femaleratio in the study sample was 2.19 for CD and 1.62 for UC. The median age of those registered with CD was lower than that ofthose registered for UC: 38.86 and 44.86 years, respectively. A significantly greater increase in CD incidence rate was identifiedamong 20 to 39-year-old compared with other age groups. Conclusions: Using Taiwan’s nationwide insurance database, we determinedthat the number of patients with CD increased more rapidly during the study period than the number of patients withUC, especially among age 20 to 39-year-old, resulting in a decreased UC-to-CD ratio. (Intest Res 2019;17:54-62)
Exploring Tourists`Differences within Perception, Motivation, and Behavior in Cultural Tourism
( Hung-hsu Yen ),( Chun-hao Chang ) 세계문화관광학회 2014 International Journal of Culture and tourism Resea Vol.7 No.1
Cultural tourism is one of the most popular types of tourism nowadays; however, the mass tourism travel behavior can easily be seen in many cultural attractions. The main purposes of this study were to explore: 1) What are the tourists’ motivations while traveling in Anping area. 2) Would the tourists’ behavior in Anping area act with in-depth and learning behavior. 3) Exploring tourists’ perception differences in Anping area. 4) Exploring different tourists’behavior within different cultural involvement groups. This study applied the convenience sampling to collect 295 valid questionnaires. The results showed: 1) Tourists’ motivations in Anping area tended to like mass tourism motivations. 2) Most tourists’ information searching, visiting, and consuming behaviors in Anping area acted like mass tourism travel type. 3) Anping area’s main cultural concept could not be properly delivered to the tourists. 4) Information searching, tourist guide, and cultural related products consuming were less used by high involvement cultural tourists. This study suggested the government should enhance the cultural elements, the historic story, the design of cultural related products and the planning of whole environment. Moreover, the improvement of self-guide system, the training of commentator, and the promotion of the usage of guiding system were still need to be done. Finally, this study suggested the Tourism Bureau should develop a guiding book to encourage and guide the tourists how to enjoy/explore the true culture of each attractions. Moreover, the proper behavior and perception in cultural attractions should also be educated in future education system or promotion activities. To let tourists know the proper perception, behavior, manner and rules in cultural tourism will enhance the future development of cultural tourism in Taiwan.Keywords:Tourism Motivation, Tourism Behavior, Cultural Tourism Perception.
Revealing the International Spillovers Structure of Innovation for Asian Region
KU-HSIEH CHEN,HAO-YEN YANG 연세대학교 동서문제연구원 2011 Global economic review Vol.40 No.1
The objective of this study aims to provide an overall revelation of the magnitude, frame, flow, and output creation effect of cross-national and cross-sectoral spillover of innovation within Asia. Methodologically, Dietzenbacher’s framework for evaluating the innovative spillover effect is modified and extended to a cross-national and cross-sectoral context for accommodating this purpose, accompanied by the utilization of the Asian International I/O (AIO) table for the year 2000. Several results are thus achieved: (1) For the spillover structure, it is understood that the inter-sectoral dependence and vertical specialization in production serves as the nexus for the skeleton of rent spillover. (2) The extent of process innovative spillover is at a level of approximately 90%, while the extent of product innovative spillover is roughly in the 40-50% range. (3) On average, a 1% process innovation would create the total Asian output by a 0.0025-0.1387% margin, and a 1% product innovation would contribute 0.0010-0.0575% of the total output. (4) The United States, Japan, and China rank as the top three countries equipped with the capability of creating the most plentiful innovative spillover effect on the Asian region overall. (5) The United States and Japan still occupy the position of leading flying geese to date, while China might emerge as an industrial innovative leading flying goose in the near future. (6) Under the prerequisite of regional development, this study has tabulated the sector rankings according to the strength of overall spillover effect by country as a reference for tactically reallocating industrial and innovative policy from a regional development perspective.