Actual photochemical efficiency of PSⅡ
adsorption photochemical catalysis
Aerial photographical scale
air photographical survey
Air-borne photoelectrical measurement system
all-digital photogrammetrical survey
Asymmetric Photochemical Reactions
atmospheric photochemical model
blue light [(photochemical) retinal] hazard
chemical and photochemical reactions
di rect reading photoelectrical spectrograph
differential photoelectrooptical refractometer
effective photochemical efficiency of PSII
Einstein photochemical equivalence law
einstein photochemical equivalenct law
Einsteins law of photochemical equivalence
homogeneous photochemical catalysis
incremental photoelectrical coded disk
Incremental Photoelectrical Encoder
infrared photoelectrical sensor