Knowledge acquisition is the bottleneck of expert system. To solve this problem, KD (D&K), which is a comprehensive knowledge discovery process model cooperatin
The saturated solubility of carbon and nitrogen in Fe-C-N and Fe-C-B-N melts was measured experimentally at 1 485 ℃ to obtain the activity interaction coeffici
In the complex mechanical vibration environment, the dominant frequency of the system varies remarkably and swiftly under various running conditions, which also