Detector with intermittent flow

Device for determining and/or monitoring at least one...

Device for determining the concentration of substances having pa

Device for determining the mixing ratio of binary gases

Device for monitoring the concentration of an air-vapor mixture

Device for monitoring the concentration of an air-vapor mixture

Device for precision measurement of speed of sound in a gas

Devices with surface bound ionic liquids and method of use...

Dual frequency acoustic gas composition analyzer

Dual-channel flexural acoustic wave chemical sensor

Dust monitors and dust monitoring

Dynamic current drive method for powering thermal conductivity d

Electric circuits

Filament drive circuit

Flexural plate wave sensor and array

Flexural plate wave sensor and array

Flexural plate wave sensor and array

Flexural plate wave sensor and array

Flexural plate wave sensor and array

Fluid measuring apparatus