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Large reserves, high capacity, and low cost are the core competitiveness of disordered carbon materials as excellent anode materials for sodium‐ion batteries (SIBs). And the existence and improper treatment of a large number of organic solid wastes will aggravate the burden on the environment, therefore, it is significant to transform wastes into carbon‐based materials for sustainable energy utilization...
A direct radius compensation and evaluation method for quadric surface at arbitrary position in space with coordinate measuring machining (CMM) is proposed. The radius error is compensated by the optimization model directly based on minimum condition principle with the object function value calculated by angle subdivision approach algorithm. The model is optimized by Improved Particle Swarm Optimization...
In this article we describe the design of universal precision positioning equipment and the method to be used in the multi stations coordinate unified of large scale measurements. The system incorporates the concept of distance constrains to control the random error of common points. Measuring each point of the artifacts with the coordinate measuring machine which have higher accurate and obtaining...
Utilizing the property of the continuous wavelet transform (CWT) of asymptotic signals when both the scale and the signal are discrete, we propose a new approach for ridge extraction. A more reliable ridge is formed by using only the discontinuity points on the ridge extracted by the conventional method. Inequalities are derived to state that the scale interval and the sampling frequency depend on...
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