'demonstrates using' is correct and usable in written English.
You can use it when you want to describe how someone is demonstrating something. For example: "The teacher demonstrates using whiteboard markers."
An example, which demonstrates using the models is presented.
But, as new research demonstrates, using light to carry encoded alphanumeric messages over long distances doesn't require computers, optical fiber, or even electricity.
This paper demonstrates using this protocol for data acquisition, quality assurance audits, analysis and reporting.
The study also demonstrates, using a high-resolution map of global tree cover, that more than seventy per cent of the world's forest now lies within one kilometre of such an edge.
This example demonstrates using a simple bash script as a plug-in for conversion a PDB file into a luscus file.
This study demonstrates, using a NEMA NU 4 2008 image quality phantom and a homemade phantom, as well as a large cohort of abdominal tumor-bearing mice and rats, that the use of iodinated contrast media for SA-PET imaging significantly improves abdominal tumor delineation and diagnostic performance at the expense of a limited impact on accuracy of quantitative values and image quality parameters.
The technology was demonstrated using batteries that fitted into a smartphone, but which use standalone chargers.
To explain sexual consent to school-children, Sexpression volunteers demonstrate using handshakes.
The analysis is demonstrated using three examples.
Turnover of the Malonate cycle was demonstrated using 13C-substituted substrates.
This fact could be clearly demonstrated using paramagnetic relaxation enhancement NMR experiments.
