This part of a sentence is correct and usable in written English.
It can be used to describe someone or something that has shown an impressive level of knowledge, skill, or ability. For example: "The student demonstrated a high level of critical thinking in his essay."
He has neutralised controversies and in giving up his political status he has demonstrated a high level of political skill.
"During its long tenure as the company's outside auditors, Arthur Andersen has provided many years of quality service and has demonstrated a high level of professionalism," FedEx said.
who has demonstrated a high level of knowledge and use of content and pedagogy in the relevant areas associated with quality early childhood education.
Cytotoxicity evaluation assay demonstrated a high level of safety profile of the synthesized sulfonium salts against normal cell line.
Analysis of the tissue expression patterns of xPKD1 demonstrated a high level of expression in the kidney.
At the coldest end of the scale, the ice demonstrated a high level of friction, but this friction decreased as the temperature warmed up, with the ice being its slippiest at -7°C.
RNA interference, says Ty Vaughn, a researcher at Monsanto, "can be species specific," allowing for "a higher level of control". Other researchers agree and say that Monsanto has, so far, demonstrated a high level of specificity.
Moreover, the synchrotron X-ray fluorescent studies demonstrated a high level of Pb present in amyloid plaques in mice exposed to Pb in vivo.
On the other side hot-box measures demonstrated a high level of thermal resistance of the system reaching U-values around 0,20 W m-2 K-1.
The encapsulated cells demonstrated a high level of cell survival (90% for co-culture condition, day 7) and spreading throughout the hydrogel matrix in both culture conditions.
This evaluation demonstrated a high level of technical proficiency.
