The advisory released August 29 by the Ontario Association of Chiefs of Police, The Waterloo Region Crime Prevention Council, and other groups warns that no "conventional field tests" exist for fentanyl and that it cannot be detected by "sight, smell, or taste".
Indeed, O. longinoda workers use group ambush hunting where preys are detected by sight.
For the first decades following passage of the act, foreign substances applied to the legs, including chemicals, were detected by feel, sight or smell.
In his model the radius of the circle of confusion must be smaller than the distance at which an animal can detect, eg. by sight or olfaction, and orient directly toward its destination; otherwise the animal will not reach its destination efficiently.
From Illinois to Georgia to Arizona, these families are hiding in plain sight, to avoid being detected by immigration agents and deported.
We could speculate that at the onset of glaucoma, only the peripheral visual field is impaired, and thus, the initial sight deficit is not detected by the automated techniques currently in use [ 27].
I told him that I had first seen the ships while on the periscope on May 1, but that they had been detected by HMS Conqueror prior to that first visual sighting".
Images were also sight-checked to clear unspecific bands detected by the software.
Only the periscope was sighted, and the torpedo was fired in the direction detected by the hydrophones, but no German submarine was in the area.
Tumours were detected by palpation.
