Zircon's Dimensionator ( $ 30, www . zircon . com ), a room size elucidator, takes wall-to-wall / floor-to-ceiling measurements ultrasonically then calculates and displays the assessment on its LCD screen.
22.
Triacetate remains in use for most camera negative stocks because it can be " invisibly " spliced using solvents during negative assembly, while polyester film can only be spliced using adhesive tape patches or ultrasonically, both of which leave visible marks in the frame area.
23.
The preload target can be achieved by a variety of methods : applying a measured torque to the bolt, measuring bolt extension, heating to expand the bolt then turning the nut down, torquing the bolt to the yield point, testing ultrasonically, or by applying a certain number of degrees of relative rotation of the threaded components.
24.
The implementation of these systems can be achieved by using various technologies, such as electromagnetic fields, optical, or ultrasonically tracking, but all share the main limitation, they should have a fixed external reference, either a base, an array of cameras, or a set of visible markers, so this single system can be carried out in prepared areas.
25.
She contributed significantly to the development of ultrasonic scanners for examining pregnant women with her doctoral dissertation, " Ultrasonically-Enhanced Diffusion of Macro Molecules in Gels . " Her experience in chemistry and business have resulted in her achieving top positions in several companies, most recently Specialty Materials, a strategic business group of Honeywell . " Forbes " magazine has ranked her as one of The World's 100 Most Powerful Women.