Photoacoustic analyzer and method

Photoacoustic cell incorporating a quantum dot substrate

Photoacoustic detection and tracking apparatus

Photoacoustic gas detector

Photoacoustic instrument for measuring particles in a gas

Photoacoustic sensor

Photoacoustic spectroscopy system and technique for remote...

Piezoelectric enviromental fluid monitoring assembly and method

Piezoelectric gas sensing device for detection of a gas...

Piezoelectric resonator chemical sensing device

Piezoelectric sensor for hydride gases, and fluid monitoring app

Plasma etch end point detection process

Polymer coatings for chemical sensors

Process for reducing interfering signals in optical measurements

Programmable apparatus using molecular resonances for...

Pulse modulated thermal conductivity detector

Pyroelectric anemometer

Quantitative determination of air present in refrigerant sample

Quartz crystal microbalance humidity sensor

Quartz crystal microbalance sensors and semiconductor...