The phrase "ad hoc presentation" is correct and usable in written English.
It is typically used to describe a presentation that is created or done for a specific purpose or situation, often without prior planning.
Example: "The team prepared an ad hoc presentation to address the unexpected questions raised during the meeting."
Alternatives: "impromptu presentation" or "on-the-spot presentation".
"The lead analyst at the time (who has since left) often produced ad hoc presentations of his own volition designed to illustrate risks.
The video connection still wasn't working, so Murray Leibbrandt, an economics professor at U.C.T. and a leading researcher on inequality in South Africa, gave an ad-hoc presentation of Piketty's slides.
Calling it a "plug-in and play" device, übi uses the Kinect to turn surfaces into a 3D touchscreen and can be either attached to a projector or placed facing your monitor providing you ample opportunity to deliver an ad hoc business presentation while your friends are relaxing in a bar.
Professor Preshaw has also received funding from Colgate Palmolive on an ad hoc basis for presentation of clinical periodontal and scientific information at conferences.
As in case study 1, the RDs were first developed in ad hoc mode and after the presentation of the patterns and the computational support, the RDs were redone.
OLAP cubes, or more recently Microsoft tabular model, feed the presentation layer providing ad hoc and static reporting, dashboards, scorecards, and key performance indicators (KPI) to help in the decision making.
The influential painter Jutta Koether, for instance, does not only paint; she also designs the presentation of her paintings, complete with special lighting and ad hoc viewing platforms, and sometimes performs in the gallery alongside them.
An ad hoc faculty committee provides feedback to all scholars on the effectiveness of their presentations on the day of the symposium.
Seventy percent of GPs "prescribed sublingual antihypertensive medications on an ad hoc basis for rapidly lowering BP in patients whose BP was considered markedly elevated at presentation to the clinic".
Chamber music presentations tend to fit one of two broad categories: offerings by dedicated ensembles or ad hoc groupings of diverse players seeking common ground.
