.sup.13 CO.sub.2 Breath test
Absorber-crystallizer tower including spray means and scale trap
Acid concentration measurement
Acid gas burner and sulfur recovery system
Acoustic agglomeration methods and apparatus
Activated carbon revivification equipment
Adapters for centrifuge rotors
Adiabatic calorimeter apparatus and method for measuring the ene
Adjustable rotator for fluid samples
Adjustable tube rack carrier
Adsorbent combinations for enhanced removal of sodium oxalate fr
Aerobic/anaerobic composting device
Aerosol resistant bowl rotor
Afocal variable magnification optical system
Agent for promoting filtration dehydration of metal hydroxide sl
Agglomerating alumina dust for aluminum production
Agglomerating finely divided agglomerative materials in a rotati
Agglomeration of alumina and binder therefor
Agglomeration of gypsum, limestone, or gypsum-limestone mix
Agglutination assay