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스마트폰 증강현실과 환경내재형 부가정보 서버를 이용한 온라인/오프라인 편재형 게임시스템
Xueqing Wang,문봉교(Bongkyo Moon) 한국HCI학회 2011 한국HCI학회 학술대회 Vol.2011 No.1
일반적으로 온라인 게임 및 콘솔게임을 할 때 사용자가 컴퓨터 근처에 머물러 있어야 하는 한계를 가진다. 본 논문에서는 온라인 가상공간에만 머물러 있는 기존의 컴퓨터 게임에서 벗어나 오프라인을 통해 현실세계에 직접 참여할 수 있도록 하는 새로운 개념의 게임을 제안한다. 즉, 스마트폰과 환경내재형 부가정보 서버를 이용하여 게임 참가자가 온라인과 오프라인에 걸쳐서 실제 세계와 상호작용하면서 게임을 할 수 있도록 하는 시스템을 제안한다. 제안하는 시스템은 결국 다양한 영역에 걸쳐 실제 세계의 삶의 방식을 바꿀 수 있는 새로운 디지털 문화를 만들어낼 수 있다고 본다. Typically gamers have to stay near the computer system when they paly online game or console game. In this paper, we propose new game concept for being directly able to take part in real world instead of staying in only online virtual space. That is, we present online/offline pervasive game system using smart-phone augmented reality and environment-embedded information server. Eventually the proposed system will create new digital culture for changing our real world life-style in many areas.
Xueqing Luo,Jennifer J. Lee 한국유통과학회 2018 The Journal of Asian Finance, Economics and Busine Vol.5 No.4
Price discount is one of the commonly used promotion strategies to increase sales and revenue. If a discount is perceived before the purchase (i.e., pre-purchase discount), consumers are likely to perceive it as a potential gain. If it is noticed after making a regular-priced purchase (i.e., post-purchase discount), consumers may develop negative emotions and attitudes. Based on the rising transparency and omnipresence of price and discount information through web and mobile platforms, we attempt to tackle an understudied topic on the negative effect of post-purchase price discount. Specifically, post-purchase discount information may increase consumers’ perception of monetary loss, which may affect consumers’ decision to return the product, potentially increasing the operating costs borne by retailers. Based on a close scrutinization of the current market environment and previous academic literature, we suggest a novel conceptual framework to understand consumers’ perception, attitude, and behavior (perception of loss, willingness to return) upon perceiving various formats of discount promotion (absolute value vs. percentage discount) posterior to the purchase of a product. We also look at the effect of price level (low-priced vs. high-priced). For marketing practitioners, we intend to suggest optimal promotion formats that can alleviate consumers’ negative perceptions and prevent additional operation costs.
Construction of Hierarchical Ni(OH)2@CoMoO4 Nanoflake Composite for High-Performance Supercapacitors
Xueqing Li,Shuang-Yan Lin,Mingyi Zhang,Ge Jiang,Hong Gao 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2016 NANO Vol.11 No.5
Hierarchical Ni(OH)2@CoMoO4 nanoflake composite on Ni foam was successfully constructed by electrodepositing Ni(OH)2 onto CoMoO4 nanoflake and investigated as binder-free electrodes for supercapacitor. The composite shows a large areal capacitance of 5.23 F cm-2 at current density of 8 mA cm-1, and a capacitance retention of 82.5% after 1000 cycles. The high electrochemical performances can be attributed to the hierarchical nanoflakes structure and the synergetic effect between Ni(OH)2 nanosheets and CoMoO4 nanoflakes. This work demonstrates that Ni(OH)2@CoMoO4 nanoflake composite is highly desirable for application as advanced electrochemical electrode material.
Xueqing Luo,Jennifer J. Lee 한국유통과학회 2017 KODISA ICBE (International Conference on Business Vol.2017 No.-
This research is constructed by main study and supplementary study. In the main study, we determine to study the effect of different formats of post-purchase discount on two dependent measures: consumers’ perceptions of loss and willingness to return. Price promotion is one of the most commonly used methods to increase sales and revenue. If a promotion is announced before the purchase (i.e., pre-purchase discount), consumers are likely to perceive it as a benefit. If announced after the purchase (i.e., post-purchase discount), consumers tend to perceive the discount as a loss. Previous studies have stated that in pre-purchase discount condition, promotions change consumers’ purchase decisions, and consumers perceive different formats of discount. However, to our knowledge, the effect of different post-purchase discount formats has not been researched. Our research aims to fill this gap by proposing how consumers perceive the post-purchase discount, and whether they have different degrees of willingness to return the purchased product under various formats of post-purchase discount. We use a two-way ANOVA (2 Initial Prices x 2 Discount formats) to analyze subjects’ perceptions of loss and willingness to return. For marketing practitioners, we intend to suggest optimal promotion formats that alleviate consumers’ negative perceptions and prevent additional operating costs.
Feng, Xueqing,Bao, Yaxin,Liu, Lijun,Huang, Lizhong,Zhang, Yingming Journal of International Conference on Electrical 2012 Journal of international Conference on Electrical Vol.1 No.2
This paper presents the performance investigation and design technology of a Line Start-up Permanent Magnet Synchronous Motor (LSPMSM) with super premium efficiency, including a design consideration and evaluation for motor start-up, key performance, and advanced finite element analysis FEA) for the design, improvement and verification, prototype build and test, design and test data comparison with a $Premium^{(R)}$ Efficient Induction Motor (PEIM). To assess the design technology, the LSPMSM prototype was built amended from a PEIM with the same frame, stator punching and rated output. Based on the prototype test, two novel design improvements and analyses have been done to eliminate noise and vibration. Additionally, the comparisons with the PEIM on the power factor, efficiency, frame size and active material consumption indicated that a significant performance improvement and active material cost reduction can be achieved by the LSPMSM.