These glands secrete odorous substances that may serve as species or sex recognition signals (pheromones).
Balbo was killed when his plane, it was stated, failed to give correct recognition signals and was shot down by Italian guns in Tobruk harbour.
The "songs" of birds, frogs, and insects (the last of which produce these sounds by vibrating or rubbing their wings) are species recognition signals.
In the game, the player mimics the facial expressions of an avatar while EyeMynd's software monitors the unique brainwave patterns of the player – the minute "pattern recognition" signals generated by our brains when we see, feel, touch or move something.
The recognition signals were therefore well separated from the topographic signals, both in space (Δz ∼ 5 nm) and time (∼0.1 ms).
This suggests that the GM carrying folic acid provide specific recognition signals for the nanoparticles to facilitate internalization into the target cells (KB cells).
They flashed recognition signals until the Germans opened fire at a range of 2700 m.
By 12 00, Woodriff had realised that the approaching ships did not know the recognition signals and therefore must be enemies.
Mistaking them for British cruisers Strongbow flashed recognition signals, but was suddenly fired upon at a range of 2700 m by a barrage of 15 cm shells.
Scott ordered Farenholt to flash her recognition signals and upon observing that Farenholt was close to his formation, he ordered the fire resumed at 23:51.
Throughout the afternoon and the following night the sails closed with his squadron until at 11 00 on 26 September they were close enough for Woodriff to make the Royal Navy secret recognition signals.
