Open mesh fill assembly
Open-surface component
Operation method for a gas-liquid ejector
Optimal corrugated structured packing
Optimal corrugated structured packing
Ordered column packing with a fine structuring
Ordered packing
Oriented spray-assisted cooling tower
Outlet means for vapor-liquid contacting tray
Oxygen dissolver for pipelines or pipe outlets
Oxygen moistening apparatus provided with a flow rate adjusting
Oxygenating apparatus, method for oxygenating a liquid therewith
Oxygenating apparatus, method for oxygenating a liquid...
Oxygenation of stratified water
Ozone diffuser for deionized water