adv.by photoelectric means
"they measured it photoelectrically"
Photoelectrically automated, bakeable, high-load ultramicro-balance
STARS OBSERVED PHOTOELECTRICALLY NEAR QUASARS AND RELATED OBJECTS
Noninvasive device for photoelectrically measuring the property of arterial blood
Photoelectrically-Operated Intermittent Sprayers for the Insecticidal Control of Horticultural Insect Pests
Observation on the finger volume pulse recorded photoelectrically
Transmembranous incorporation of photoelectrically active bacteriorhodopsin in planar lipid bilayers.
Intensity in the Raman effect : VI. The photoelectrically recorded Raman spectra of some gases ☆
Magnitudes and Color Indices of Extragalactic Nebulae Determined Photoelectrically.
Integration of a Photoelectrically Operated Intermittent Sprayer with Action Level Thresholds for Control of Lepidopteran Pests of C...
Reversed picosecond charge displacement from the photoproduct K of bacteriorhodopsin demonstrated photoelectrically