H.sub.2 /C.sub.12 fuel cells for power and HCl production - chem
H.sub.2 S Direct gas sensor
Hafnium silicide target and manufacturing method for...
Halide electrode
Halide ion-selective devices and method
Halide ion-selective devices and methods of determining halides
Hall cell
Hall cell with inert liner
Halogen evolution with improved anode catalyst
Halogen generation
Halogenated aromatic compound removal and destruction process
Halogenated photopolymerizable adhesives
Halogenated photopolymerizable compositions
Halogenated polycarboxycubanes
Halogenation of heterocyclic compounds
Halogenation process
Handling a plurality of samples
Hanging mercury drop electrode capable of automatic control
Hard anodizing process
Hard chromium plating from hexavalent plating bath