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Search Results: 1 - 10 of 127132 matches for " Tan Wang "
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The Influence of Product Market Externality on Dynamic Decisions of Monopoly  [PDF]
Yan Wang, Deqing Tan
Modern Economy (ME) , 2017, DOI: 10.4236/me.2017.86056

The externality of the goods in the market affects the diffusion process of the product, and also affects the price strategy and advertising strategy that manufacturer makes in the diffusion process of the product. Positive externalitiy can accelerate the speed of the product diffusion, increase product sales, and save the cost of advertising in order to increase enterprise’s profit; Strong negative externality reduces product sales, increases enterprise’s advertising costs and makes losses. Under the market of the monopoly structure, considering the effect of products’ externality, product price and advertising investment on the product’s demand, builds the dynamic decision model of the product and uses the control theory to get the manufacturer’s optimal price strategy and optimal controlling strategy of the advertisement expenditure, and relatively analysis the changing trend of optimal controlling strategy, the product’s diffusion process and manufacturer’s profit on the different condition of positive and negative externality, and obtains some conclusions which are provides theory support for the decision enterprise makes.

The Impact of Consumers Witness Front-Line Service Employee Complaints on Corporate Brand Attitudes  [PDF]
Jihua Zhang, Ming Tan, Ningning Wang
Open Journal of Social Sciences (JSS) , 2019, DOI: 10.4236/jss.2019.73037
Abstract: In the past, the research on complaints mainly focused on employee-employer dichotomy, focusing on the impact of employee complaints on employee performance. But in the actual work, front-line service workers and consumers have a lot of service contacts. If consumers witness complaints from front-line service workers, what impact will it have on corporate brand attitude? Based on the third-party perception perspective and the theory of moral justice, with perception of corporate morality as the mediating variable, this paper verifies that perceived corporate controllability by first-line service employees’ complaints can significantly affect consumer brand attitude, and introduces the boundary condition of perceived employee complaints. When perceived employee complaints are health factors, the more controllable the first-line service employees’ complaints are perceived. The higher the perceived corporate ethics, the lower the consumer brand attitude. When perceived employee complaints are motivating factors, there is no difference in the impact of perceived corporate controllability and low perceived employee complaints on consumer brand attitude. The paper examines the impact of corporate controllability on consumers perceived by the complaints of front-line service employees witnessed by consumers. It also studies the spillover effect of employee complaints from the perspective of third-party perception, which has important guiding value for guiding the management of front-line service employees and sustainable development.
Design and research of measuring system of clamping force of hemostats  [PDF]
Huifang Wang, Shuyi Wang, Ying Zhou, Jie Tan
Journal of Biomedical Science and Engineering (JBiSE) , 2010, DOI: 10.4236/jbise.2010.39123
Abstract: Reliability of medical instruments such as hemostats is extremely important because these instruments are used in patients who are in critical condition. Clamping force of hemostats, as an important parameter of hemostats, should be detected. However, it could not be tested directly. In order to test it, a testing system has been put forward. The system is comprised of sensor, acquisition card, and three-way tap and so on. This system is controlled by a computer. The testing system has been proved to be effective in testing the clamping force of hemostats.
Signal averaging for noise reduction in anesthesia monitoring and control with communication channels  [PDF]
Zhi-Bin Tan, Le-Yi Wang, Hong Wang
Journal of Biomedical Science and Engineering (JBiSE) , 2009, DOI: 10.4236/jbise.2009.27082
Abstract: This paper investigates impact of noise and signal averaging on patient control in anesthesia applications, especially in networked control system settings such as wireless connected systems, sensor networks, local area networks, or tele-medicine over a wide area network. Such systems involve communication channels which introduce noises due to quantization, channel noises, and have limited communication bandwidth resources. Usually signal averaging can be used effectively in reducing noise effects when remote monitoring and diagnosis are involved. However, when feedback is intended, we show that signal averaging will lose its utility substantially. To explain this phenomenon, we analyze stability margins under signal averaging and derive some optimal strategies for selecting window sizes. A typical case of anesthe-sia depth control problems is used in this development.
Classification of ITU Recommendations and Reports Base on IMT-2020 High Frequency Candidate Band EMC Analysis  [PDF]
Zhaojun Qian, Bo Li, Long Kang, Tan Wang, Weidong Wang
Int'l J. of Communications, Network and System Sciences (IJCNS) , 2017, DOI: 10.4236/ijcns.2017.105B016
This paper introduced ITU-R TG 5/1 task group, as well as the current research situation, especially illustrated some interference scenario. Based on 5G high frequency candidate band, radio communication services and the electromagnetic compatibility analysis work, we studied all recommendations and reports related to candidate sub bands, and then classified three very important sub-bands’ recommendations and reports, which had played a positive role in promoting 5G high-frequency candidate band radio interference coexistence analysis research.
DSC study of cold and heat denaturation of β-lactoglobulin A with urea
Bangning Wang,Fu Tan
Chinese Science Bulletin , 1997, DOI: 10.1007/BF03182783
The Researches in Fault-Tolerant D ataflow Architecture
Wang Lei,Tan Ying
计算机科学技术学报 , 1991,
Abstract: Fault-tolerant dataflow system is an entirely new field.This paper presents an overview of FTDF-TD,a fault-tolerant dataflow system.Various aspects of FTDF-TD,such as the architecture,the fault-tolerant strategy,and its reliability,are described.The research on overhead and performance evaluation based on software simulation is introduced.It is shown that FTDF-TD gets valuable results in reducing overhead,execution time and increasing reliability of processor array,compared with two other fault-tolerant systems.
Fractals and magnetic storm
Tan-Wen Wang
Annales Geophysicae (ANGEO) , 2003,
Abstract: Fractal theory is applied in a quantitative analysis of geomagnetic storms. Fractal dimensions (D) of the attractor for storm data from the Beijing observatory (40.0°N, 116.2°E) using several time intervals are calculated. A maximum value of 1.4 has been obtained for a geomagnetic storm; on quite days the dimension is only slightly larger than 0.5. Data from two storms are analyzed here. Results show that a combination of both D and the magnetic index, k, can perhaps describe the degree of solar disturbance better than the single parameter k.
Research on Early Korean Independence Movement and the Patriotic Movement against Japan in Northeast China
Lianjie Wang,Yi Tan
Asian Social Science , 2010, DOI: 10.5539/ass.v6n3p30
Abstract: On March 1, 1919, in Seoul of Korea the independence movement broke out, which is of great significance in Korean modern history. Two months later, in Beijing China, the May 4 Movement broke out, which is of great sense of enlightenment in Chinese modern history. These two great movements had produced profound influences on Fengtian, even on the whole Northeast China. However, if explored in some specific aspects, the former seems have more direct and durable effects.
A Novel Practical Certificate-Less Digital Signing System Based on Super-Elliptic Bilinear Map Parings
Wenxue Tan,Xiping Wang
Journal of Software , 2011, DOI: 10.4304/jsw.6.8.1403-1408
Abstract: In this paper, we propose a novel practical Certificate-Less digital signing system based on bilinear map pairings defined on super elliptic curve, which is proved more efficiency than some similar systems pioneered heretofore as viewed from information security application widely applied in mobile-thin computation environment often with a narrow communication bandwidth concomitant. For a long span, the complex managing public key certificate job involved in crypto-system based on identity has been keeping from a more efficient digital signing and disturbing engineers engaging in designing secure mobile E-Commerce. By this scheme, signing subroutine can be in no need of pairscomputation, and verifying can be performed only at cost of 3 times pairs-computation while not introducing special hash function, a necessity in some similar schemes initiated in some references. With respect to security, the system manifests a satisfying immunity from Replacing Public Key Attack, Forging Signature Attack and some other typical attack methods from angle of computability of NP-problem and of provable security. By comparison and analysis in detail and in depth, it is made clear that the signing system can provide a favorable macro-availability and performance, and be fit to be promoted into the application of mobile ECommerce and some similar requirements.
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