Device for quickly sensing the amount of O.sub.2 in a combustion

DNA sequencing apparatus

Feed forward carbon black reactor control

Feedback control in selective catalytic reduction

Fluid catalytic cracking unit yield monitor

Fluid dispensing apparatus

Fuel-concentration detecting and controlling device for fuel...

Gas generating apparatus

Gas generating device

Gravimetric titration apparatus for the determination of the iod

HF alkylation unit with additive dispenser

Hydrocarbon cracking

Installation for monitoring an atmosphere generation apparatus

Interactive control system for packaging control

Interactive control system for packaging control of contact lens

Method and apparatus for detecting the endpoint of a chamber...

Method and apparatus for preparing chemical solutions

Method and apparatus for producing carbon black

Method and apparatus for protecting building personnel...

Method and instrument for automated analysis of fluid-based...