The phrase "as extraneous material" is correct and usable in written English.
It can be used to refer to information or content that is not essential or relevant to the main topic being discussed.
Example: "The report included several sections that were deemed as extraneous material, which detracted from the main findings."
Alternatives: "as irrelevant content" or "as unnecessary information".
These act as extraneous materials in the interfacial film of oil and water to suppress the mechanism for emulsion break down and to stabilize the interface (Mandal et al. 2010).
In that sense, his job at the Herald Tribune suited him, though he was apt to complain about the paper's editing methods, which involved such quaint practices as inserting extraneous material into an author's copy, without consultation, which appeared in square brackets.
Over and above the novel bits of sewing, the threads and woolly patches which disturb the surfaces of his otherwise somewhat reserved tonal paintings, his work seems to owe too much to Spanish painter, Miquel Barcelo, who also uses as lot of extraneous material along with paint, and to the psychological terrains of Peter Doig, a previous Turner nominee, rather than becoming thoroughly itself.
As a necessary consequence, several types of combinations of sentences with extraneous material appeared twice as often as other combinations.
The fact that in the present experiment several types of combinations of sentences with extraneous material appeared twice as often as other combinations, as explained in the Procedure section, could not explain a FP600.
This paper targets the cross-hatching of extraneous material as a means to reduce the build time of the LOM part.
One feature of the Biosort data that also needed to be addressed by the model was the presence of extraneous material such as shed cuticles or clumps of bacteria, which accumulate as C. elegans develop over time.
When looking into the camera, the artwork should fill the viewfinder, eliminating extraneous material, such as the wall of a living room where it was hung or the easel on which it was photographed.
As extensive as the Amon Tobin catalogue is, he's got a ton of extraneous material that has been piling up over the years.
Reliable monitoring of pneumatically conveyed particulate materials is critical for on-line detection and controlling material composition changes in the regimen of Process Analytical Technology (PAT), e.g. as the case investigated here: determination of varying concentration levels of extraneous material in a source stream.
