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- 저자 : Ximei Jin (검색결과 4 건)
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Shift in the Regional Balance of Power From Europe to Asia: A Case Study of ICT Industry
Jin Hua,Zahid Latif,Shen Tiyan,Zulfiqar Hussain Pathan,Muhammad Zahid Tunio,Shafaq Salam,Liu Ximei 한국정보처리학회 2018 Journal of information processing systems Vol.14 No.3
Information and communication technology (ICT) is increasingly recognized as an important driver ofeconomic growth, innovation, employment and productivity and is widely accepted as a main feature ofdevelopment. During the last couple of decades, ICT sector became the most innovative service sector thataffected the living standards of human beings all over the world. In the beginning of the 21st century, some ofthe Asian countries made reforms in the ICT sector and spent an enormous amount for the progress of thissector. On the other hand, developed countries in the European Union (EU) faced different crises which badlyaffected the dissemination of this sector. Consequently, EU countries lost their hegemony in the field ofinformation technology and resultantly, some of the emerging Asian countries like China, India, and SouthKorea got supremacy over the EU in this field. Currently, these countries have a strong IT infrastructure,R&D sector, IT research centers working for the development of ICT. Moreover, this paper investigatesreasons for the shifting of the balance of digital power from Europe to Asia.
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Shift in the Regional Balance of Power From Europe to Asia: A Case Study of ICT Industry
Hua, Jin,Latif, Zahid,Tiyan, Shen,Pathan, Zulfiqar Hussain,Tunio, Muhammad Zahid,Salam, Shafaq,Ximei, Liu Korea Information Processing Society 2018 Journal of information processing systems Vol.14 No.3
Information and communication technology (ICT) is increasingly recognized as an important driver of economic growth, innovation, employment and productivity and is widely accepted as a main feature of development. During the last couple of decades, ICT sector became the most innovative service sector that affected the living standards of human beings all over the world. In the beginning of the $21^{st}$ century, some of the Asian countries made reforms in the ICT sector and spent an enormous amount for the progress of this sector. On the other hand, developed countries in the European Union (EU) faced different crises which badly affected the dissemination of this sector. Consequently, EU countries lost their hegemony in the field of information technology and resultantly, some of the emerging Asian countries like China, India, and South Korea got supremacy over the EU in this field. Currently, these countries have a strong IT infrastructure, R&D sector, IT research centers working for the development of ICT. Moreover, this paper investigates reasons for the shifting of the balance of digital power from Europe to Asia.
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Hongyan Jin,Ximei Zhao,TianheWang 제어·로봇·시스템학회 2021 International Journal of Control, Automation, and Vol.19 No.11
In this paper, a novel load disturbance observer-based global complementary sliding mode control (NLDOB-GCSMC) method is proposed to achieve high servo performance of the precision motion stage driven by a permanent magnet linear synchronous motor (PMLSM). The global complementary sliding mode control (GCSMC) method incorporates an approach angle into the saturation function to realize the dynamic change of the boundary layer, which guarantees the asymptotic stability and improves the global robustness of the system. Besides, compared to hybrid CSMC strategies, the GCSMC method has a simpler structure and faster response speed. However, in practical applications, the load disturbance has a significant impact on system performance. Therefore, a novel load disturbance observer (NLDOB) capable of identifying the load variation is proposed. According to the model reference adaptive identification (MRAI) theory, NLDOB can identify the load disturbance on-line and realize compensation to further improve the robustness. The more accurate tracking performance and stronger robustness of the proposed control scheme compared to conventional approaches have been confirmed through comparative experimental studies.
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Production of Xylooligosaccharides from Corncobs Using Ultrasound-assisted Enzymatic Hydrolysis
Juntao Sun,Zhichao Zhang,Fugang Xiao,Ximei Jin 한국식품과학회 2015 Food Science and Biotechnology Vol.24 No.6
Xylooligosaccharides were obtained using ultrasound-assisted enzymatic hydrolysis from xylan that was alkali extracted from corncobs. Effects of alkali treatments on xylan extraction were investigated. The influence of operational conditions in ultrasound-assisted enzymatic hydrolysis on xylooligosaccharide production was also studied. Optimal conditions for xylan extraction were determined to be an alkaline concentration of 15%, a corncobs to alkaline solution ratio of 1:20, a reaction temperature of 100°C, and a reaction time of 2 h. Optimal conditions for xylanase-catalyzed hydrolysis of xylan to xylooligosaccharides were determined to be an enzyme concentration of 4 g/L, an ultrasound power of 200 W, a reaction temperature of 50°C and a reaction time of 10 min. Using a combination of ultrasound and enzyme increased the reducing sugar content by approximately 50%, compared with using of enzymes alone. Ultrasound and enzymes exert a synergistic effect.
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