part - pick
- phosphorus impurity
- phosphorus kickback
- phosphorus oxide
- phosphorus removal
- phosphorus reversion
- phosphorus segregation
- phosphorus-bearing slag
- phosphorus-deoxidized copper
- photocell pickling
- photoconductive image transducer
- photodisintegration
- photodisintegration threshold
- photoelastic analysis
- photoelastic method
- photoelastic study
- photoelastic-coating test
- photoelasticity
- photoelasticity method
- photoelectric counter
- photoelectric imaging device
- photoelectric threshold frequency
- photoemission
- photoemissive element
- photogram
- photograph
- photograph taken with copper radiation
- photographic (transmission) density
- photographic emulsion layer
- photographic film record
- photographic film record of X-ray pattern
- photographic fog
- photographic method of X-ray analysis
- photographic recording
- photographic recording method
- photographic resolution
- photographically measured intensity
- photomacrograph
- photometric measurement
- photometric method
- photometric titration