343 Result(s)
within
**an-Yu Wang
Engineering
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Article
Modeling, scheduling and control of flexible manufacturing systems by extended high-level evaluation Petri nets
This paper proposes an extended high level evaluation Petri nets (EHLEP-N) for modeling and control of flexible manufacturing systems (FMSs). This new class of models is simple, perceivable and descriptive, ha...
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Article
Pattern selection in a reaction-diffusion equation
This paper studies the pattern selection in a spatially-periodic problem of a simplified reaction-diffusion system described by an evolutionary Duffing equation. Numerical explorations by a pseudo-spectral met...
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Article
Electrochemical behaviors of Zn-Fe alloy and Zn-Fe-TiO2 composite electrodeposition
Electrochemical behaviors of Zn-Fe alloy and Zn-Fe-TiO2 composite electrodeposition in alkaline zincate solutions were studied respectively by the methods of linear potential sweep and cyclic voltammetry. From th...
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Article
Ruin distributions and their equations
In this paper, the ruin distributions were analyzed, including the distribution of surplus immediately before ruin, the distribution of claim at the time of ruin, the distribution of deficit, and the distribut...
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Article
Influence of welding parameters on nitrogen content in welding metal of 32Mn-7Cr-1Mo-0.3N austenitic steel
The transfer behavior of nitrogen into the welding metal during gas tungsten arc welding process of 32Mn-7Cr-1Mo-0.3N steel was investigated. The effects of gas tungsten arc welding process variables, such as ...
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Article
Plasma pharmacological study on Da huang zhe chong capsule on platelet aggregation of normal person
Objective To develop a plasma pharmacological method evaluates the effect of Da Huang Zhe Chong capsule on platelet aggregation and its mechanism, which is a representative Traditional Chinese Medicine Patent Pre...
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Article
Design of wear-out-failure in-situ repair parts by environment-friendly nanocopper additive
Oleic acid surface-modified Cu nanoparticles with an average size of 20 nm were prepared by liquid phase reducing reaction. The tribological performance and mechanism of nanocopper as additive were studied by ...
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Article
Modification of nano-TiO2 by Al2O3 in-situ coating
A novel technology of in-situ coating Al2O3 on the surface of H4TiO4 was developed to prevent the aggregation of nano-TiO2 powders and improve the dispersibility and thermal stability in the way of forming a unif...
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Article
Experimental measurements of turbulent boundary layer flow over a square-edged rib
Statistical turbulence properties of turbulent flow over a two-dimensional rib which was flush mounted on a wind tunnel wall was extensively surveyed. Velocity fluctuations in the turbulent separated and reatt...
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Article
Modeling of Incubation Time for Austenite to Ferrite Phase Transformation
On the basis of the classical nucleation theory, a new model of incubation time for austenite to ferrite transformation has been developed, in which the effect of deformation on austenite has been taken into c...
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Article
A note on asymptotic behavior of Galton-Watson branching processes in random environments
In this paper, we investigate Galton-Watson branching processes in random environments. In the case where the environmental process is a Markov chain which is positive recurrent or has a transition matrix Q (θ,α)
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Article
Catastrophe model and its experimental verification of static loading rock system under impact load
According to the catastrophe model for impact buckling of static loading structures, a new catastrophe model for impact loading failure of a static loading rock system was established, and one dimension (1D) c...
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Article
Rearrangement of mirror elements
The rearrangement of mirror elements has been presented. By virtue of the proposed approach, new topologies realizing the same transfer function as the initial circuit can be obtained. Moreover, we may derive ...
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Article
A new three-phase 5-level current-source inverter
The new three-phase 5-level current-source inverter (CSI) proposed in this paper was developed by connecting three separate single-phase 5-level CSIs in series, and its operational principle was analyzed. Ther...
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Article
Physical Properties and Regulating Mechanism of Fluoride-Free and Harmless B2 O3-Containing Mould Flux
The flux agents in common mould fluxes were fluoride and sodium oxide, which would do great harm to environments. B2 O3 was selected as flux. The physical properties of B2 O3-containing mould fluxes were studied....
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Article
Forward and Backward Slip Models in MAS Rolling Process and Its On-Line Application
Based on the MAS rolling process in plate mill, the mathematical models of forward and backward slips of the wedges at plate head and tail were derived. According to the new model, the difference between the f...
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Article
Numerical Simulation of Temperature Field and Thermal Stress Field of Work Roll During Hot Strip Rolling
Based on the thermal conduction equations, the threedimensional (3D) temperature field of a work roll was investigated using finite element method (FEM). The variations in the surface temperature of the work r...
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Article
Estimation of vegetation biophysical parameters by remote sensing using radial basis function neural network
Hyperspectral reflectance (350∼2500 nm) data were recorded at two different sites of rice in two experiment fields including two cultivars, and three levels of nitrogen (N) application. Twenty-five Vegetation ...
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Article
High Efficient Technology of Steelmaking With Low Silicon Hot Metal on Large Converter
To resolve the difficulty in slag formation during steelmaking with low silicon hot metal and to increase productivity, a new 5-hole lance was developed by increasing oxygen flow from 50 000 m3/h to 60 000 m3/h. ...
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Article
Directional migration behavior of cerium during sintering process of mischmetal doped cemented carbide
Three observation methods were used to investigate the existing form and the behavior of rare earth during the sintering process of high activity mischmetal (RE, with lanthanum and cerium) doped WC-8%Co-0.048%...
