The phrase "a number of artificial" is correct and usable in written English.
It can be used when referring to multiple instances or types of artificial items, concepts, or phenomena.
Example: "A number of artificial intelligence systems have been developed to enhance data processing capabilities."
Alternatives: "several artificial" or "various artificial".
China has built a number of artificial structures and begun to militarize them.
Beijing, which has built a number of artificial islands with landing strips in the sea, has refused to recognise the ruling.
We also report experimental results highlighting the ability of the methods to infer models on a number of artificial data sets.
Using the tactile feedback system on a mechanical teleoperated device, test subjects palpated a number of artificial tissue models to locate objects of varying stiffness.
We applied the proposed approach on a number of artificial intelligence applications and compared its performance with that of the other state-of-the-art techniques.
A number of artificial synapses are employed to form a circuit which is expected to consume 2−8% of the area compared to CMOS-only circuit.
To this end, we have proposed a performance-based Artificial Immune System (AIS) that mimics the workings of an adaptive immune system and consists of a number of running artificial white blood cells, which search, recognize, store and deny anomalous behaviors on individual hosts.
Treasury minister Jane Kennedy described such a scheme to a House of Commons committee earlier this month, and said it was one of a number of "highly artificial tax avoidance schemes".
7): A manufacturer has admitted that it produced a number of defective artificial hip implants, then goes on to state that it will pay for the operations to replace the implants if they are not covered by the patients' insurance.
He has said that humanity is in grave danger for a number of reasons — artificial intelligence as well as the dangers of human barbarity — and as a result we should make sure we have somewhere else to go.
This programme aims to evaluate both adult and embryonic stem cells in a number of different artificial matrices for their ability to mimic normal tissue function.
