Peristaltic pump
Phase shift measurement for luminescent light
Photoacoustic point spectroscopy
Photometer for measuring atomic fluorescence
Photometer including auxiliary indicator means
Photometric apparatus and process
Photometric device
Photometric device
Photometric device
Photometric instrument
Photometric means for monitoring solids and fluorescent material
Photomultiplier protector for a fluorometer
Photon counting fluorimeter
Photonic crystal laser sources for chemical detection
Plasma emission spectroscopy method of tumor therapy
Plasma etching with fast endpoint detector
Plasma heat shield for spectrophotometer
Plasma manipulator
Plasma mixing glow discharge device for analytical applications
Plasma monitor