The non-linear inversion of rock mechanics parameters based on genetic algorithm ispresented. The principle and step of genetic algorithm is also given. A brief
Aspiration spiral flow type centrifugal flotation machine takes full advantage of centrifugal force field and gravitational field, and strengthens flotation of
Based on a comprehensive material and research, various factors are analyzed that influence coal depleted cities' economic development. From this analysis i
The state of deep mine rigid shaft furniture horizontal force calculation in China isintroduced and the calculating model of horizontal force is determined. Bas