A popular attenuation velocity model for complete waveform inversion and seismic migration, the visco-acoustic (VA) smooth velocity model has first-order or high-order partitioned continuous ...
The screw conveyor is an important component of the earth pressure balanced shield machine and bears the heavy responsibility of “soil discharge, pressure holding and pressure regulation”.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results