1 BackGROund Surgical instruments are essential helpers on the way to better results. As in the surgical procedure itself, also with the equipment, even small changes in details may make a big difference concerning handling, potentially affecting the outcome. Over many years of practicing rhinoplasty, the author has repeatedly asked the manufacturer to optimize the design of instruments, leadin...

iii DISCLAIMER Certain commercial equipment, instruments, or materials are identified in this report to specify the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the material or equipment identified is necessarily the best available for t...

Test equipment applications require signal stimuli varying from advanced communication signals to the playback of captured real-world analog signals. Signal source instruments generate the signal stimulus that is applied to a device under test (DUT). Consequently, signal sources comprise an important class of test instruments. This article describes applications of an arbitrary waveform generat...

This review article presents an overview of instruments available on the market for measurement of particulate matter. The main instruments and methods of measuring concentration (gravimetric, optical, and microbalance) and size distribution Scanning Mobility Particle Sizer (SMPS), Electrical Low Pressure Impactor (ELPI), and others were described and compared. The aim of this work was to help ...