Sentence examples for ball were observed from inspiring English sources
When comparing the measurements recorded using two different shells, some differences in the behaviour of the instrumented ball were observed.
The worn surface of the lubricating film and the transfer film formed on the surface of the counterpart ball were observed by SEM.
A mild adhesive wear mechanism (adhesive ploughing) was found for the samples tested at room temperature, whereas for those tested at higher temperature a mixed adhesive and fatigue wear mechanism, accompanied by a large plastic deformation of coatings and high coating transfer to the ball were observed.
The critical solder ball is observed to occur at the outermost corner solder joint, and fails along the solder and PCB pad interface.
The critical solder ball is observed located between the top and bottom dice corner, and failure interface is along the top solder/pad interface.
Based on the FC WB stack die configuration, the critical solder ball is observed located between the top and bottom dice corner, and failure interface is along the top solder/pad interface.
A debris ball was observed by the Birmingham NEXRAD, indicating that the tornado was causing extreme damage.
The worn surfaces on disks and balls were observed by optical microscope (OM).
Finally, bearings with IBAD-coated balls were observed to operate with lower torque than those with CFUMS-coated balls.
The wear tracks and the ball scars were observed by scanning electron microscopy (SEM) and Raman spectroscopy in order to elucidate the tribochemical reactions appearing at the contact and to determine the wear mechanism present in each type.
In case of the substrate functionalized with PEI (Fig. 2d, e), a vitrified layer was formed onto surface substrate and some twin-ball crystals were observed.
