The fluorescence signal directly correlates to the electrochemical current signal, indicating that this reaction can be used as a fluorogenic indicator for FEEM.
A simple idea done very well – this handlebar-mounted device transmits a signal indicating which way you intend to turn to the large, bright LED indicators on a backpack or vests worn by the rider.
This was an upside-down count signal indicating an odd number of clubs.
"It should be seen as a warning signal indicating that it's time to go get evaluated".
When the patient feels pain, he can send a signal indicating his perceived level of discomfort.
At one point, while listening to Salvador, the captain made a hand signal indicating that he was crazy.
A Russian news service reported that minutes after the first plane went down, the second jet issued a distress signal indicating it had been hijacked.
Many highly toxic poison dart frogs have striking aposematic colouration, which is a visual signal indicating their toxicity to potential predators.
It was the first of its kind in the world, introducing a special signal indicating to the telephone operator that the call must receive immediate attention.
Meanwhile, the local firehouse gong would send a signal indicating that high-pressure hydrants would be used to fight the fire.
At 3 55 p.m., CNN said that law enforcement authorities has offered an "all clear" signal — indicating that the threat had passed — and the plane began to be moved.
