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A glassy carbon electrode (GCE) was coated with N-doped carbon-modified palygorskite and used as an electrochemical sensor for determination of Pb(II) by differential pulse anodic stripping voltammetry. To obtain high reproducibility and sensitivity, optimum experimental conditions for lead deposition are studied. Voltammetric responses of the modified GCE prepared with different ratios of carbon...
Eddy current thermography, as a new nondestructive testing method is the combination of electromagnetic induction heating and infrared thermography technology. The finite element simulation model of eddy current thermography is established. The heating mechanism of defect in the ferromagnetic material is analyzed using eddy current excitation. The influence of the conductivity and magnetic-permeability...
Analyze the operating principle of segment, calculate the radial pressure on the hot rolling coiler mandrel. Simulate working condition of segment based on finite element software, make distortion analysis and stress analysis, optimize the design of segment structure, combining the distribution situation of cracks, so as to effectively improve the stress concentration problem. The application of new...
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