"a satisfactory number of" is correct and usable in written English.
You can use it when you are referring to a quantity of something that is sufficient to meet your needs or expectations. Example sentence: We need a satisfactory number of volunteers to help with the event.
I drove to the Little Lehigh because a friend and former colleague, Bill Stevens, had retired to an area in Pennsylvania where he could find a satisfactory number of exquisitely difficult streams to test his skills.
The results indicate that although business process optimisation is a highly constrained problem with fragmented search space; multi-objective optimisation algorithms such as NSGA2 and SPEA2 produce a satisfactory number of alternative optimised business process designs.
The 25-year-old, who has been capped six times by France, will encounter strong competition for a starting place in midfield from Sandro and Paulinho, the £17m summer signing from Corinthians, but he is certain that he will play a satisfactory number of games.
All measurements have been driven under experimental designs: a full-factorial design (FFD) was used to analyze significant factors through MANOVA, and a Doehlert design, which was modified by spatial rotation, was applied in order to have a satisfactory number of levels for the factor time to be able to train the ANN.
Once you've got a satisfactory number of attendees onboard, you can get your event underway.
It is sufficient to have a stochastic description of the message or at least a satisfactory number of message realizations.
The bride and groom have registered at Crate & Barrel for an outrageous number of useless items, including corn holders, egg cups, those little stirrers that are used only for mint juleps, a pizza stone, and thirty-eight slightly different spatulas, even though the bride and groom have lived together with a perfectly satisfactory number of spatulas for more than three years.
FSC is designed to help quickly determine satisfactory number of rules of a T S model.
The Traditional FFR and the Two-step power soft FFR would limit the satisfactory number of video layers for all users, because the available resources of the two steps are predetermined and may be insufficient in the first or second step.
The satisfactory number of PB CD34+ cells to allow stem cell collection was defined as 20 cells/μLlls/μL.
Predicted poor mobilizers were defined as patients who did not release a satisfactory minimum number of CD34+ cells into the PB during the current mobilization or from whom too few CD34+ cells were collected during the initial apheresis to warrant successful continuation.
