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2,145 results on '"ZHANG, Xiao"'

8. Research and Discussion on Electro-Magnetic Treatment in Circulating Cooling Water of Power Plant

Author

Nan Zhang Xiao, Ni Zhang Xiao, Chun Lei Zhang, Rui Ju Zhao, and Long Wu Wen

Subjects
Materials science, genetic structures, Power station, Waste management, Chemical treatment, General Engineering, Water cooling, food and beverages, equipment and supplies, human activities, eye diseases
Abstract

The effects of anti-scale, anti-corrosion and disinfection of circulating cooling water with electro-magnetic treatment and chemical treatment in the laboratory are compared. The applications of electro-magnetic treatment in power plants are summarized and discussed. The results of both experiments and applications in power plants show that the electro-magnetic treatment can be used in particular conditions, but the development of electro-magnetic treatment technology is immature. This technology used in circulating cooling water system in power plants should be further proved by more experiments and field applications.

Published
2013
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9. Behavior of Flow Stress of Al-Mn Alloy during Hot Compression

Author

Zheng Ren, Xiu Rong Zhu, Ren Jing, Fu Kui Lian, Zhang Xiao, and Li Qun Hou

Subjects
Stress (mechanics), Materials science, Metallurgy, General Engineering, Dynamic recrystallization, Stress relaxation, Compression (geology), Flow stress, Composite material, Deformation (engineering), Strain rate, Atmospheric temperature range
Abstract

The behavior of flow stress of Al-Mn alloy during hot compression at the condition of ε=0.05,0.5,5,25s-1 while the temperature range from 300°C to 450°C was studied by Gleblee-3500. The results show that the Al-Mn alloy possess the remarkable characteristic of a peak stress, followed by a steady-state flow stress when deformed in the temperature range from 300°C to 450°C with a strain rates range from 0.05s-1 to 0.5s-1.When the strain rate is higher than 5s-1 dynamic recrystallization will happen. The true stress decrease with increasing compression temperature and increases with the increasing strain rate. A constitution equation which can describe the relationship of ε,T and σ is achieved. Also the activation energy for deformation is calculated.

Published
2014
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10. Residential Property Price Prediction with FNN Network Model

Author

Zhang Xiao-li

Subjects
Computer Science::Computer Science and Game Theory, Engineering, Artificial neural network, Neuro-fuzzy, Property (programming), business.industry, General Engineering, computer.software_genre, Function approximation, Order (exchange), Market price, Price level, Data mining, business, computer, Network model
Abstract

In order to predict the new residential property market price, a Fuzzy Neural Network (FNN) prediction model was proposed. It was used to estimate the appropriate price level for a new property by learning from historical data on the correlations between various factors that influence the prices of properties and the actual selling prices. In particular, an artificial neural network prediction model was developed to compare it accuracy with the fuzzy neural network prediction model. The experimental results show that the fuzzy neural network prediction model has strong function approximation ability and is suitable for residential properties price prediction depending on the quality of the available data.

Published
2011
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11. The Study of Computer Fundamental Experiment Teaching Model Based on MOODLE

Author

Zhang Xiao-li

Subjects
Knowledge management, Point (typography), Computer science, business.industry, Collaborative knowledge, ComputingMilieux_COMPUTERSANDEDUCATION, General Engineering, Mathematics education, business
Abstract

The study of Computer Fundamental Experiment teaching model based on Moodle is to use Collaborative Knowledge Building idea into experiment teaching so that we can give priority to the students on design and organization in the course; the teacher and the students can cooperate each other and join to collaborate the new knowledge system from former knowledge and experience, thereafter get the final point of view, idea and method etc. intelligence works. It was shown by some examples that Computer Fundamental Experiment teaching model based on Moodle had quit a few theoretic and practical value on leading students to take design, study and creation style experiments as well as to improve the students’ capability on analyze and solving problem.

Published
2011
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