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Search Results: 1 - 10 of 133195 matches for " Jing Wang "
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Simulation of Gas Discharge in Tube and Paschen’s Law  [PDF]
Jing Wang
Optics and Photonics Journal (OPJ) , 2013, DOI: 10.4236/opj.2013.32B073

According to the related theory about gas discharge, the numerical model of a gas discharge tube is established. With the help of particle simulation method, the curve of relationship between gas ignition voltage, gas pressure and electrode distance product is studied through computer simulation on physical process of producing plasma by DC neon discharge, and a complete consistence between the simulation result and the experimental curve is realized.

Identify Social Enterprises  [PDF]
Jing Wang
American Journal of Industrial and Business Management (AJIBM) , 2018, DOI: 10.4236/ajibm.2018.87114
Abstract: Social enterprises have become an inevitable trend of future social development. At present, the development of Chinese social enterprises faces internal and external adversities, and the prospects of the development of social enterprises are not clear. In order to build a good environment for the development of domestic social enterprises, this article fully draws on international experience and combines with Chinas actual conditions, and evaluates the existing standards of certification for civil society enterprises in China from five dimensions: organizational goals, income sources, profit distribution, asset disposal, and profit distribution. On this basis, further proposals are proposed to improve public awareness of social enterprises and lay a practical foundation for future legislative work.
Design of Multi-User Electric Power Management Device  [PDF]
Weiqing Tao, Jing Wang
Energy and Power Engineering (EPE) , 2010, DOI: 10.4236/epe.2010.22018
Abstract: The current consumption method of Electric Power Industry is “electricity consumption first, paying for it later”. The trend of consumption method is Pre-order Electricity. If we adopt the Pre-order Electricity System, we need to replace Traditional Energy Meter with Prepayment Energy Meter. But this alteration is costly. And the alarm action of Prepayment Energy Meter are bells and alarm lamp, users can not receive alarm information timely. In this paper, we present the design of Multi-user Electric Power Management Device. The device uses TMS320F2812 as CPU, with peripheral devices such as mobile phone communication module MC55, so the device supports remote operation and sends alarm information via SMS, it also can communicate with the master station by GPRS. The device can be seamlessly integrated into the existing power system in order to read meter, achieve billing and Pre-order Electricity functions. In addition, the device has the Harmonic Measurement function, so it is a high cost-effective application.
Performance Study of Multi-Path in VANETs and Their Impact on Routing Protocols  [PDF]
Jing Wu, Yuhao Wang
Wireless Engineering and Technology (WET) , 2011, DOI: 10.4236/wet.2011.23018
Abstract: Modeling complicated vehicular traffic behavior and analyzing effects on the communication performance of routing protocols taken by environmental factors have been a challenging task for the past several years. In this paper, we study the performance of multi-path routing protocol. Then, we investigate both multi-path and single-path routing protocol and analyze characteristics such as network connectivity, vehicle-node density etc. To better understand this phenomenon, we use mobility model with different parameters and evaluate the performance of routing protocols (Ad-hoc On-Demand Distance Vector and Ad-hoc On-demand Multipath Distance Vector routing protocols) through NS2 platform. The simulation results show the significance of multi-path on the throughput, loss and average delay of VANETs. The results of this paper may be used to study designing route protocols and applications of VANET.
A Self-Adaptive Parallel Encryption Algorithm Based on Discrete 2D-Logistic Map  [PDF]
Jing Wang, Guoping Jiang
International Journal of Modern Nonlinear Theory and Application (IJMNTA) , 2013, DOI: 10.4236/ijmnta.2013.21A011

A self-adaptive parallel encryption algorithm based on discrete 2D-Logistic map is developed according to the position scrambling and diffusion of multi-direction in variable space of spatial chaos. The binary sequences b1b2b3···bn are obtained according to the user key, in which the binary sequence 0 and 1 denote distribution mode of processors and the number of binary sequence n denotes cycle number. Then the pseudorandom 2D matrix is generated by 2D-Logistic map, and adaptive segmentation is applied in image matrix and pseudorandom matrix according to the value and the number of binary sequence. The parallel operation is used among blocks to improve efficiency and meet real-time demand in transmission processes. However, the pixel permutation is applied in partitioned matrix through ergodic matrix generated by pseudo-random matrix-block to decrease the correlation of adjacent pixels. Then the pixel substitution is used for fully diffusing through cipher block chaining mode until n cycles. The proposed algorithm can meet the three requirements of parallel operation in image encryption and the real-time requirement in transmission processes. The security is proved by theoretical analysis and simulation results.

Inspection of Kindergarten Teacher-Children Interactions
—A Case Study in China

Jing Li, Wei Wang
Open Journal of Social Sciences (JSS) , 2014, DOI: 10.4236/jss.2014.28016
Abstract: With the purpose of improving the efficiency of teacher-children interactions and enhancing the quality of pre-school education, the writer uses 20 kindergartens in urban areas of Chongqing as samples to study the teacher-children interactions through observation. The findings show that: 1) The teacher-children interaction is unbalanced, mainly presenting as the teacher-centered “asym-metrical interdependent interactions”. Interactions initiated by the teacher and positive emotions of the children during these interactions are obviously more than those initiated by the children. 2) Interactions between the teacher and the children lack emotional depth. In the interactions, the children response less although they participate more; major methods of initiating and responding to the interactions are non-verbal actions, short or perfunctory replies; and most contents of the interactions are events without touching upon emotions.
Testing for Spatial Correlations with Randomly Missing Observations in the Dependent Variable  [PDF]
Jing Gao, Wei Wang
Theoretical Economics Letters (TEL) , 2014, DOI: 10.4236/tel.2014.48079
Abstract: We consider LM tests for spatial correlations in the spatial error model (SEM) and spatial autoregressive model (SAM) with randomly missing data in the dependent variable. We derive the formulas of the LM test statistics and provide finite sample performance of the LM tests through Monte Carlo experiments.
Research on the Announcement Effects of the Convertible Bonds in the A-Share Market of China  [PDF]
Baoqian Wang, Jing Miao, Fengxian Wang
Modern Economy (ME) , 2014, DOI: 10.4236/me.2014.54033

This paper studies the announcement effects of the convertible bonds of 50 listed companies in the A-share market of China. The result shows that there are significant negative effects when the convertible bonds are issued, in other words, issuing announcement of the convertible bonds can lead stock prices to decline. However, the significances of the negative effects are different in different markets, bond types, released years and time windows. The volatility of share prices in Shanghai Stock Exchange is less than in Shenzhen Stock Exchange, and the negative effects are more significant than in SZSE. The announcement effect of the ordinary convertible bonds is more significant than the convertible bonds with warrants.

Puzzle of Growth and Futher: Growth and Valuation, Principle and Application
International Business and Management , 2012, DOI: 10.3968/j.ibm.1923842820120502.z0842
Abstract: How to valuate a fast growing event? Will a company be in the further that it is fast growing now? According to valuation theoretical basis of modern finance, the paper direct towards the growth and value of the basic industries listed companies of A-stocks in SSE by empirical research with simplifies relevant parameters. The results include the stock price preferences, return on investment, profitability, and future condition. Key words: Growth; Valuationg; Growth; Basic industies; Emprical research
Factors Influencing Social Networking Website Loyalty
Jing Wang
Information Technology Journal , 2013,
Abstract: This study draws from established bases of research in marketing and Information Systems (IS) to develop an integrated model of user loyalty antecedents to Social Networking (SN) sites. The findings suggest that two general (satisfaction and switching costs) and two context specific (trusting beliefs and habit) variables account for substantial proportion of the variance in user loyalty. Based on the findings, strategies to help SN site develop user loyalty are proposed.
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