The phrase "already known from" is correct and can be used in written English.
You can use it when you want to refer to something that has previously been established or is already known. For example, "This phenomenon is already known from studies conducted in the past."
The temperature induced phase transition between orthorhombic and monoclinic phases, which was already known from experimental measurements, was also reproduced.
We present the composition operator, already known from probability, possibility, evidence and valuation-based systems theories, for credal sets.
In its substance, the video reveals nothing that was not already known from previously released transcripts and government investigations.
This much is already known from various academic studies, including one commissioned – and published – by Defra themselves in 2008.
It is conceivable that this hominin was a species already known from fossil discoveries, such as Homo erectus.
As already known from pure iPP, the main process of secondary crystallisation is the growth of new lamellar stacks within remaining amorphous regions in the iPP spherulites.
Much of what is known about the coxsackievirus intracellular replication cycle is based on the information already known from a well-studied and closely related virus, poliovirus.
OK, so this is just basic use of the BOLD signal to discover things that were already known from other methods.
What did she discover, I ask, from living with the unemployed, that she hadn't already known from working at A4E? "The fear," she says quickly, with feeling.
"If they are as old as two million years, then they might be early South African versions of Homo erectus, a species already known from that region.
It was already known from his special theory of relativity that time and space are so closely interrelated as to constitute an indivisible four-dimensional space-time.
