"noticed instances" is a perfectly acceptable phrase to use in written English.
It means a particular occurrence or situation that has been observed and is usually used in a context where something has become apparent. For example: "Having noticed several instances of the same mistake in my work, I began to take more care when proofreading."
Feminist care-focused ethicists are quick to notice instances of female subordination and the tendencies of patriarchal societies not to properly esteem women's ways of thinking, writing, working, and loving.
"I'd noticed several instances of people wasting water, like crazy, dumb stuff - water leaking everywhere from sprinklers or car dealerships washing cars every day," Estes told BBC Trending.
I'm not convinced it's quite that simple though as I've noticed several instances of data usage recently where it wasn't an easy matter to just look at the data.
After sifting through the last 16 years of records collected by a NASA satellite that measured x-rays emitted from black holes, researchers noticed multiple instances when x-ray signals the satellite logged dimmed for periods of time, they report in the Monthly Notices of the Royal Astronomical Society.
Paige: Have you noticed any instances where these economic hard times have actually brought people more together?
I have noticed many instances where technology has been used to solve a previous problem that has plagued people for a fair amount of time.
However, while using YGOB we noticed many instances in which a particular gene appears to be missing in a particular species, in a genomic region that otherwise shows conserved synteny among all the species.
As we were annotating the P. sneebia and P. rettgeri genome sequences (see "Annotation methods" section below), we noticed several instances of sequential open reading frames (ORFs) that were annotated with the same predicted function and whose combined length equaled the size of genes with the same functional annotation in other bacteria.
They must have noticed, for instance, that much the most successful sectors of their economy cars and electronics—are the only ones not plugged into the political system and systematically milked by the LDP.
The researchers noticed, for instance, that no pigeons visited fields that had been sown with seed that had a fonofos concentration of more than 150 milligrams per kilogram of seed.
