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Search Results: 1 - 10 of 122243 matches for " WANG Huan "
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The Optimizational Pitch Control Strategy with the Clonal Selection on Quantum Genetic Algorithm
Huan Wang
Information Technology Journal , 2013,
Abstract: The development of the wind power generation is very fast, how to improve the efficiency of the generation is the research focus. The study analyses the control strategy of the wind power generation, optimizes the power output energy conversion factor of the optimal tip-speed ratio and the optimal tip-speed ratio using the clonal selection on quantum genetic algorithm, adjusts the control strategy and brings the optimal pitch control strategy. The comparison is the optimizational control strategy and the conventional control strategy with the simulation. The power output of the optimizational control strategy is more stable, the ability of the capturing wind is strong, cutting down the wave of the generation export power.
On the growth of von Neumann dimension of harmonic spaces of semipositive line bundles over covering manifolds
Huan Wang
Mathematics , 2015,
Abstract: We study the harmonic space of line bundle valued forms over a covering manifold with a discrete group action $\Gamma$, and obtain an asymptotic estimate for the $\Gamma$-dimension of the harmonic space with respect to the tensor times $k$ in the holomorphic line bundle $L^{k}\otimes E$ and the type $(n,q)$ of the differential form, when $L$ is semipositive. In particular, we estimate the $\Gamma$-dimension of the corresponding reduced $L^2$-Dolbeault cohomology group. Essentially, we obtain a local estimate of the pointwise norm of harmonic forms with valued in semipositive line bundles over Hermitian manifolds.
Research on National Scientific Research Cooperation between China and the “One Belt and One Road”—Based on the Frontier Gravity Model  [PDF]
Wang Huan
American Journal of Industrial and Business Management (AJIBM) , 2019, DOI: 10.4236/ajibm.2019.95083
With the continuous development of science and technology and the deepening of international academic exchanges, international scientific research cooperation has become an important part of national strategy. Therefore, the research on the influencing factors of scientific research cooperation between China and “One Belt and One Road” countries plays an important guiding role in promoting the cultural, scientific and technological exchanges between them. This article is based on the United States patent and trademark office (USPTO) database in 2008-2017 patent cooperation data. On the basis of studying the current situation of scientific research cooperation between China and countries along the Belt and Road by means of intelligence mining, this paper innovate and quote the model of frontier gravity in economics creatively, and conducte an empirical study on the factors affecting scientific research cooperation between China and countries along the Belt and Road. The empirical results show that, except that the countries bordering on each other will inhibit China’s scientific research cooperation with countries along the “One Belt and One Road”, national scientific research strength, national innovation capacity, bilateral relations and economic scale will all promote the development of international scientific research cooperation. However, the geographical distance between the two countries has no significant impact on it. Besides, the limitation of this paper is that the number of patent cooperation between China and “One Belt and One Road” countries is generally small; many countries are not involved in patent cooperation, and data of some countries are missing and incomplete.
Research on the Influence of Recommended Sources on the Adoption Intention in Online Shopping Environment  [PDF]
Haiquan Chen, Huan Wang, Li Liu
Journal of Service Science and Management (JSSM) , 2017, DOI: 10.4236/jssm.2017.105033
The development of shopping website allows consumers to enjoy the convenience brought by the Internet, but too much commodity information makes consumers have no choice, thus the personalized recommendation come into being. A good personalized recommendation system can help consumers reduce the cost of information search and make quick purchase decisions. Correspondingly inappropriate recommended time nodes and recommendation information will cause consumer dissatisfaction, affecting the consumer’s shopping experience. This paper focuses on the impact of the recommended information sources in the personalized recommendation service on the adoption of consumer information. It also verifies the mediating and regulatory effects of perceived usefulness and cognitive complexity on the effect of recommended information on the adoption intention.
Consumers’ Purchase Intentions toward Traceable Beef—Evidence from Beijing, China  [PDF]
Huan Song, Ruimei Wang, Yu Hu
American Journal of Industrial and Business Management (AJIBM) , 2017, DOI: 10.4236/ajibm.2017.710081
Abstract: The utility of food traceability standards aims to reduce the of food security and to provide consumers with targeted information. A survey has been conducted on sample of consumers in Beijing (n = 234), aiming to explain the intention toward purchasing traceable beef using the theory of planned behavior (TPB). Based on the TPB, the present study has added new variable: past experience. Structural Equation Modeling is applied to test the TPB model. Results show that attitude, subjective norm and past experience are positively associated with intention to traceable beef.
Analysis on the clinical and endoscopic parameters in 1247 patients with reflux esophagitis  [PDF]
Xiao Zhang, Huan Wang, Wei’an Wang, Xiaoguang Chen, Haifeng Liu
Open Journal of Gastroenterology (OJGas) , 2014, DOI: 10.4236/ojgas.2014.41004
Abstract: Aim: To summarize and analyze the clinical and endoscopic parameters in patients with reflux esophagitis(RE). Methods1247 patients with RE were diagnosed in our hospital endoscopy center from September 2010 to August 2012. The general information of the patients and the relationship between endoscopic classification and concomitant diseases were analyzed. Results: According to the endoscopic findings, 1247 subjects (4.70%) were found to have RE932 (74.74%) males and 315 (25.26%) females, and the male to female ratio was 2.96:1. The peak age of prevalence was 50 to 59 (27.35%) which is followed by 40 to 49 (23.10%). In this study, most of the patients had a mild degree of esophagitis representing LA-A in 60.63% and LA-B in 34.24%. The antrum hyperemia was found in 291 patients with esophagitis (23.34%), followed by antrum erosion (20.13%) and hatal hernia (15.88%). There is no statistically significant relevance between Helicobacter pylori infection and RE (P > 0.05), but Barrett’s esophagus, duodenal ulcer, gastroesophageal tumors, a history of gastroesophageal surgery and antrum hyperemia were found to be associated with RE (P < 0.05). Conclusion: The prevalence rate of endoscopic RE in our study was 4.70%, and most patients had a mild grade esophagitis. Male, advanced age, Barrett’s esophagus, duodenal ulcer, gastroesophageal tumors and a history of gastroesophageal surgery are the risk factors of esophagitis. Antrum hyperemia may reduce the severity of RE.
A Self-evaluation of Classroom Language Used When Teaching Grammar
Fang Huan,Li Wang
International Education Studies , 2011, DOI: 10.5539/ies.v4n4p170
Abstract: In the attempt to evaluate the quality of teacher talk, recent communicative approaches have suggested that the modification of teacher classroom speech and the functional distribution of teacher talk in terms of pedagogical goals should be considered (Seedhouse: 1996). This study investigates the relationship between language use and pedagogic purpose from an analysis of a lesson transcript of a grammar lesson, and evaluates the quality of the teacher talk based on the Self-Evaluation of Teacher Talk (SETT) Grid. The purpose is to examine whether the teacher talk is appropriate in the classroom context or mode and to bring about a more conscious and effective use of teacher talk in her teaching profession in the future.
Equity Incentive and Growth of Executives in Mixed Ownership Enterprises Listed Manufacturing Enterprises Based on State-Owned Holdings  [PDF]
Xinhong Wang, Huan Liang
Open Access Library Journal (OALib Journal) , 2019, DOI: 10.4236/oalib.1105309
This paper takes the state-owned manufacturing mixed-ownership en-terprises as the research sample, selects the data from 2014-2016, and studies the relationship between executive equity incentives and corporate growth. Firstly, theoretical analysis is carried out according to the existing literature, and then empirical research is carried out by regression analysis on the basis of theoretical analysis. The research shows that: in the state-owned manufacturing industry, in mixed ownership enterprises, there is a positive correlation between executive equity incentives and corporate growth, but this correlation will be affected by equity concentration. Only when the ratio of the largest shareholder is in the range of 20% - 50%, the positive correlation between executive equity incentives and corporate growth is significant. The executive equity incentive policy has not significantly promoted the growth of the company in the enterprises with scattered equity or excessive concentration of equity. Based on this, it is proposed that enterprises should establish a reasonable executive equity incentive policy and further optimize the shareholding structure through the reform of state-owned enterprise mixed ownership.
Analysis of the Effects of Frequent Increases of the Reserve Requirement Ratio by the People’s Bank of China  [PDF]
Haiying Pan, Huan Song, Yu Wang, Yangyang Hu
Modern Economy (ME) , 2012, DOI: 10.4236/me.2012.32032
Abstract: The legal required reserves system is a monetary policy that is used by central banks to perform macroeconomic adjustments. In China, the required reserves system is one of the most important policies of the People’s Bank of China. In this study, using information from the Vector Auto-Regression Model and utilizing monthly data of the reserve requirement ratio (RRR), money supply, Consumer Price Index (CPI), and loan scale from January 2006 to March 2011, we quantitatively studied the effects of frequent increases in the RRR in China. We found that China’s monetary policy regarding required reserves has not had a significant effect on dealing with excess liquidity, preventing inflation or controlling increases in the loan scale. We briefly analyzed the reasons for the limited actual effects of China’s required reserves policy regarding the required reserves system, monetary transmission mechanism, system of forced Ren Min Bi sale, and purchase of foreign exchange.
Would Rural Residents Will to Pay for Environmental Project? An Evidence in China  [PDF]
Xuyin Zhang, Ruimei Wang, Tianzhen Wu, Huan Song, Chuanfeng Liu
Modern Economy (ME) , 2015, DOI: 10.4236/me.2015.65050
Abstract: This research estimated Chinese rural residents’ willingness to pay for rural solid wastes recycling project. Dichotomous choice format contingent valuation method was employed to diverse rural residents’ preference. 4795 Households had been interviewed for collecting primary data, and had been estimated respondents’ will by logistic regression model. It indicated that the respondents would refuse to support solid wastes recycling project due to households’ income restriction. The mean annual WTP of rural residents were 23.41 Chinese Yuan per household. In conclusion the rural solid wastes recycling project is acceptable and accessible for implementation in Chinese rural area.
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