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Search Results: 1 - 10 of 25650 matches for " Dahai Dong "
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Winning Consumers through Experience: Competition between Domestic and International Businesses  [PDF]
Yan Liu, Dahai Dong
American Journal of Industrial and Business Management (AJIBM) , 2013, DOI: 10.4236/ajibm.2013.33040
Abstract: Retail internationalization has received increasing attention due to its popularity as a business practice. Previous studies have focused on two main factors in the process of retail internationalization: resources and environment. In the resources category, one of the key factors that has been extensively studied is social capital [1]. And in the environment category, one of the most influential environmental factors is cultural distance and its consequence, psychic distance [2]. However, few studies have investigated social capital from the consumers’ perspective and considered the influence of psychic distance perceived by international retailers’ targeted consumers in the host market on their acceptance. This study aims to investigate how to decrease consumers’ psychic distance to obtain initial acceptance from the targeted consumers in the host country. Previous studies have found that perception is shaped through experience [3,4]. Therefore, the main argument in our study is that international businesses should focus on experiential marketing to reduce consumers’ psychic distance. In order to understand this argument in the host market competition, experiential marketing strategies in the domestic businesses framework, as well as in the international businesses framework, will be compared.


A Comparative Study of Customer Value Drivers between Traditional Channels and Network Channel  [PDF]
Sili Wang, Dahai Dong
Open Journal of Social Sciences (JSS) , 2015, DOI: 10.4236/jss.2015.33011

With the rapid development of information technology, more and more customers start shopping online, this phenomenon has caused the performance of physical stores reducing. This article uses Decision-Making Trial and Evaluation Laboratory (DEMATEL) approach to structure and evaluate the customer value drivers between traditional channels and network channels, finds out the different effect of the drivers in the two channels, then to guide practice.

Provide Consumers with What They Want on Word of Mouth Forums  [PDF]
Yan Liu, Dahai Dong, Robert E. Burnkant
iBusiness (IB) , 2013, DOI: 10.4236/ib.2013.51A007

Internet word-of-mouth (WOM) has a powerful impact on the consumer information search process. However, richness in information causes information overload. Consumers are not able to efficiently find the information they need among numerous and often redundant WOM postings and forums. As consumers become knowledgeable about WOM outlets, they may lower their search cost as they learn what kind of information to expect on various WOM forums. This conceptual paper develops research propositions to explain: 1) types of information consumers expect to see on different types of WOM forums, and 2) how expectations relate to satisfaction with WOM information and forums.

Ways of Identifying the Opinion Leaders in Virtual Communities
Xiaofei Zhang,Dahai Dong
International Journal of Business and Management , 2009, DOI: 10.5539/ijbm.v3n7p21
Abstract: Virtual communities are the uppermost communication spaces and channels for online word-of-mouth. And opinion leaders are the most important group for enterprises’ word-of-mouth communication. As enterprises are engaged in online word-of-mouth marketing activities, the key is to find out the opinion leaders in virtual communities. In this paper, after affirming the effects of opinion leaders and reviewing and summarizing the former ways of finding out opinion leaders, authors will introduce to us how to use the social network analysis method and the UCINET software, together with traditional observations and investigations, to analyze and identify the opinion leaders in virtual communities by case study.
A Strip-Map SAR Coherent Jammer Structure Utilizing Periodic Modulation Technology
Qingfu Liu;Shiqi Xing;Xuesong Wang;Jian Dong;Dahai Dai
PIER B , 2011, DOI: 10.2528/PIERB10120901
Abstract: After being modulated by a periodic signal, the pulse compression result of the modulated LFM (Linear Frequency Modulation) may have many isolated and sharp peaks. According to this phenomenon, we developed a strip-map SAR (Synthetic Aperture Radar) jammer which modulated both the SAR's fast and slow time LFMs with periodic waveforms. This kind of jamming can forge isolated and bright points in the SAR image, and may confuse the SAR's image processing. The structure of this kind of jammer is simple and easy to be designed comparing to that of a traditional jammer utilizing the coherent jamming. Also it only needs much lower transmitted power than a noise jammer. Finally, the jamming experiences were conducted by utilizing a railway SAR, and the SAR imaging results showed the effectiveness of this kind of jamming.

Wu Ruimin Gao Chen Dong Dahai Zhou Ruixing Shi Dongzie,

动物学研究 , 1995,
Abstract: In order to determine the law of annual cycle of the structure of thyroid in cobra, we chose 84 mature healthy male Naja naja Atra bought from Suichang, Zhejiang Province, divided them in 12 grougps, and pulled out their thyroid during the period of 9: 00 - 11: 00 a. m. on around the 20th days of every month to be studying materials.The thyroid pulled out were cut in sections according to common practice, The largest section received H. E. stain. The changing of struction of thyroid was observed and compared every month. The total number of thyroid follicle, pinosome in follicle cavity and columnar epitheliem in each specimen was counted respectively. Those numbers were taken as indexes, Their laws of annual cycle were counted by way of circular distribution statistics. The respective relationship between cobra's activity grade and total number of follicle, columnar epithelium and pinosome was counted by way of x2 tendency test. The correlation coefficient between the total number of follicle, columnar epithelium and pinosome was counted by way of linear-correlation. The results came out as follows:(1) The total numbers of follicle, pinosome and columnar epithelium all showed the annual cycle change was similar to the single-peak curve, The appearance of peak figure of follicle number was on June 17, The 95% reliability section of peak figure of whole cobra was from May 6 to July 28. The peak figure of pinosome number was on May 30, The 95% reliability section of peak figure of whole cobra was from May 17 to June 13. The peak figure of columnar epithelium numberon May 27, The 95% reliability section of peak figure of whole cobra was from May 15 to June 9. The peak figure of the total numbers of follicle, columnar epithelium and pinosome in cobra thyroid appeared later than that of the plasma TSH concentration, but earlier than that of the plasma T3. T4 concentration. This indicated that cobra plasma TSH is the promoter of the structural change in the thyroid of cobra and that the synthesis and secretion ofT3, T4 results from the maturity of follicle epithelium.(2) There were very significant positive correlation between the total numbers of follice, columnar epithelium and pinosome in cobra thyroid, and the total numbers of follicle, columnar epithelium and pinosome, which link obviously with the activity grade of cobra.(3) During hibernation ( the third ten days of November to the third ten days of February the next year), the follicle epithelium of thyroid in cobra presented the formof 2-6 layers, with a single layer at the active stage (in the other months).
The Interferometry Phase of Insar Coherent Jamming with Arbitrary Waveform Modulation
Qingfu Liu;Shiqi Xing;Xuesong Wang;Jian Dong;Dahai Dai;Yongzhen Li
PIER , 2012, DOI: 10.2528/PIER11111601
Abstract: This paper focuses on the interferometry phase of an active coherent jamming in InSAR (Interferometry Synthetic Aperture Radar) images. Based on the signal models of coherent jammer, the jamming's imaging results are derived by employing the Omega-K algorithm. By comparing the imaging results of InSAR's two channels, the jamming's interferometry phases for both working modes, the single-pass and repeat-pass modes, are proved to be constants. And the values of the interferometry phases are determined by the jammer's geometry position relative to InSAR baseline, but independent of the jamming's waveform modulation and its background terrain.
The "Slope" Effect of Coherent Transponder in Insar Dem
Qingfu Liu;Shiqi Xing;Xuesong Wang;Jian Dong;Dahai Dai;Yongzhen Li
PIER , 2012, DOI: 10.2528/PIER12022111
Abstract: Although a Coherent Transponder (CT) is widely utilized in the field of Synthetic Aperture Radar (SAR), its Digital Elevation Model (DEM) has yet not been well studied for Interferometry SAR (InSAR). Based on the fact that the interferometry phase is a constant for CT with single transmit antenna, this paper mainly focuses on InSAR DEM induced by CT. The decorrelation effect in the intersection region of CT and nature terrain is researched in detail to support the analysis of CT's phase-unwrapping. The most important property, which makes DEM of CT being unique, is found to be the "slope" effect. The incline angel of "main slope" of DEM is verified to be determined only by the depression angle of InSAR system, whereas the incline angles of the "subordinate slopes" are affected by all the geometric parameters of InSAR baseline. Finally, all the incline angels are independent of CT' s waveform modulations, since the modulations have no contribution to the interferometry phase.
Negative Pressure Wound Therapy Decreases Mortality in a Murine Model of Burn-Wound Sepsis Involving Pseudomonas aeruginosa Infection
Yang Liu, Qin Zhou, Yunchuan Wang, Zhengcai Liu, Maolong Dong, Yaojun Wang, Xiao Li, Dahai Hu
PLOS ONE , 2014, DOI: 10.1371/journal.pone.0090494
Abstract: Background The colonization of burn wounds by Pseudomonas aeruginosa can lead to septic shock, organ injuries, and high mortality rates. We hypothesized that negative pressure wound therapy (NPWT) would decrease invasion and proliferation of P. aeruginosa within the burn wound and reduce mortality. Methods Thermal injuries were induced in anesthetized mice, and P. aeruginosa was applied to the wound surface for 24 h. After removing the burn eschar and debridement, the animals were subjected to either NPWT or wet-to-dry (WTD) treatment protocols. The bacterial loads on the wound surface were assessed during 7 d of treatment, as were the concentrations of inflammatory cytokines in the peripheral blood samples. Survival was monitored daily for 14 d after burn induction. Finally, samples of wounded skin, lung, liver, and kidney were collected and subjected to histopathological examination. Results Applying P. aeruginosa to the burn wound surface led to sepsis. During early stages of treatment, NPWT reduced the mortality of the septic animals and levels of P. aeruginosa within the burn wound compared with WTD-treated animals. Circulating levels of cytokines and cytoarchitectural abnormalities were also significantly reduced via NPWT. Conclusions Our data indicate that NPWT inhibits the invasion and proliferation of P. aeruginosa in burn-wounded tissue and decreases early mortality in a murine model of burn-wound sepsis. These therapeutic benefits likely result from the ability of NPWT to decrease bacterial proliferation on the wound surface, reduce cytokine serum concentrations, and prevent damage to internal organs.
Reducing problem of multiplication operators on Bergman space
Dahai Yu,Shunhua Sun
Chinese Science Bulletin , 1997, DOI: 10.1007/BF02882530
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