"proof of concept demonstrations" is correct and usable in written English.
You can use this phrase when discussing the necessity of showing a concept will work in practice. For example, "Our team conducted several proof of concept demonstrations to demonstrate the efficacy of the product."
This noise can be reduced by cooling the detectors but our radiation tests indicate that we should be able to perform our proof of concept demonstrations without cooling.
For the proof of concept demonstrations, the method is used to estimate ET for a simple synthetic watershed and then for a real, highly-characterized 7000 km2 watershed in Southern Ontario, Canada Grand River Watershedd).
(a) Connectivity: The prime mover of telemedicine in India, ISRO, did proof of concept demonstrations in the 1990s.
So far, it has performed proof-of-concept demonstrations in Venezuela and Panama, and is preparing for more in Mexico, Canada, Argentina and America.Another new type of concrete is at an even earlier stage.
We provide proof-of-concept demonstrations in the application of this PFCS coating method.
Two benchtop prototypes provide proof-of-concept demonstrations of the radiator's principles of operation.
Implanted brain computer interfaces (iBCIs) have made impressive advances since the first human proof-of-concept demonstrations.
By adapting or optimising dynamically the shape to various flight conditions, there are yet many unexplored opportunities beyond current proof-of-concept demonstrations.
Several value-added products, including chemicals, nutraceuticals, and drug precursors, have been biosynthesized as proof-of-concept demonstrations of in vitro metabolic engineering.
In addition, a prototype testbed is also introduced, and the proof-of-concept demonstrations of OpenScale's key functionalities in both data plane and control plane are conducted.
First, most matrix methods proposed in the past were proof-of-concept demonstrations, and had failed to establish unambiguously their usefulness in real experimental scenarios.
