359 Result(s)
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Article
**ng-hua Li
Engineering
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Article
Flow stress behavior of Cu13Zn alloy deformed at elevated temperature
The flow stress behavior of Cu13Zn alloy was investigated by compression tests carried out at 650 °C, 700 °C, 750 °C, 850 °C, and constant strain rates of 0.05 s−1, 0.1 s−1, 0.5 s−1, 1 s−1, 5 s−1, respectively. T...
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Catalytic effect of SCN− on electrodeposition of zinc-nickle alloy
The electrodeposition of zinc-nickle alloy was obtained on a copper cathode of 1×1cm2. The deposited alloys are quantitatively analyzed by atomic absorption spectrometry. The morphology of the deposits was observ...
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Integrated control system for first tidal flow electricity generating ship of China
This paper introduces the composition, control method and testing results of the integrated control system for the first tidal flow electricity generating (TFEG) ship of China. The control method, control algo...
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Flow resistance characteristics of water in narrow annulus during heat exchange
Considering the special resistance characteristics of fluids flowing through ducts with small gaps, experiments are performed to investigate the resistance characteristics of single-phase water, which is force...
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Structure transition of nano-titania during calcination
In order to study the structure transition during calcination, nano-titania powders prepared by hydrolyzing precipitation approach and calcined at 300, 400, 500, 600 and 700 °C were characterized by XRD, TEM a...
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Immiscible two-component two-phase gas–liquid heat transfer on shell side of a TEMA-F heat exchanger
Systematic studies of heat transfer on shell side of a horizontal TEMA-F heat exchanger have been conducted using glycerine-water solution and air mixture. The effects of gas flux, liquid flux as well as flow...
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A new technique of combining accretion by cyclone separator and scattertube for tailings dams
A new technique of combining accretion by cyclone separator and scattertube for tailings dams was developed according to laboratory experiment, model experiment and spot experiment technology. Three tailings d...
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Improving the precision of the keyword-matching pornographic text filtering method using a hybrid model
With the flooding of pornographic information on the Internet, how to keep people away from that offensive information is becoming one of the most important research areas in network information security. Some...
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An improved multicast routing algorithm
Multicasting is a communication service that allows an application to efficiently transmit copies of data packets to a set of destination nodes. The problem of finding a minimum cost multicast tree can be form...
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Kinetics for static recrystallization after hot working of 0.38C-0.99Cr-0.16Mo steel
The restoration mechanisms for static recrystallization of work-hardened austenite were investigated by using double-pass compression tests performed on medium-carbon steel containing chromium and molybdenum. ...
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Dynamic behaviors of coupled three-level atom system interacting with light field in cavity filled with Kerr-like medium
The Hamiltonian of coupled three-level atoms interacting with light field in the cavity filled with Kerr-like medium is derived. A simplified analytic solution to the Schrödinger equation of the system is obta...
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On bifurcation from steady-state solutions to rotating waves in the Kuramoto-Sivashinsky equation
In this paper, we consider the detection and calculation of bifurcation from nontrivial steady-state solutions to rotating wave solutions of the Kuramoto-Sivashinsky(K-S) equation by using the nonlinear Galerk...
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Features of energy distribution for blast vibration signals based on wavelet packet decomposition
Blast vibration analysis constitutes the foundation for studying the control of blasting vibration damage and provides the precondition of controlling blasting vibration. Based on the characteristics of short-...
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Numerical analysis of application for induction caving roof
New method for handling roof of the base successive mining is proposed, which is induction caving in the roof. The key is that it is made certain to the station of the space-time in the induction caving roof, ...
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Mechanism of apoptosis of human osteosarcoma M-G63 induced by arsenic trioxide
Objective To observe the apoptosis of osteosarcoma MG-63 cells induced by As2O3 and to explore its possible mechanisms. Methods The flowcytometric analysis and transmission electronmicroscope were performed to in...
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Rheological behavior of continuous roll casting process of aluminum alloy
The rheological behavior of aluminum alloy and its influencing factors in physical simulation of continuous roll casting process were studied by using a Gleeble-1500 thermal-mechanical simulation tester with a...
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Heat transfer law in leaching dump
Based on the law of temperature changes in the leaching dump and the forming process of heat flux, the basic balance equation of heat flow in dump was established, the dissipated heat flow from dump to the atm...
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Heat Treatment of Die and Mould Oriented Concurrent Design
Many disadvantages exist in the traditional die design method which belongs to serial pattern. It is well known that heat treatment is highly important to the dies. A new idea of concurrent design for heat tre...
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Hybrid optimization model of product concepts
Deficiencies of applying the simple genetic algorithm to generate concepts were specified. Based on analyzing conceptual design and the morphological matrix of an excavator, the hybrid optimization model of ge...
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Electromagnetic Dam in Twin-Roll Strip Caster
The electromagnetic dam (EMD) in twin-roll strip caster was simulated with FEM. The results show that the direction and magnitude of Lorentz force distributing in the EMD changed in a period. The negative part...
