A spherical weight-shifting integral free-rolling tumbler (SWIFT) is provided for rolling along a surface in a command direction. The SWIFT includes a spherical shell, a cubic box w
A modular water purification system has a high pressure pump interchangeably received into one of two or more alternative power modules that can rely on different energy sources, such as an combustion
However, an increase in copper production in deposits with an average grade of 1% or lower translates into a significant increase in tailings production, which is currently up to approximately 1.5 million t/day. A total of 757 tailings storage facility were identified in the last cadaster of ...
A three-layer BP neural network containing one hidden layer (i.e., input layer, hidden layer, and output layer) was used to predict the risk of the water carrying capacity of the Xiangjiang River. Second, the number of neurons in each layer was determined. The water resources carrying ...