The phrase "and introduced a number" is correct and usable in written English.
It can be used when discussing the act of presenting or bringing forth several items, concepts, or elements in a particular context.
Example: "The researcher conducted a thorough analysis and introduced a number of innovative solutions to the problem."
Alternatives: "and presented several" or "and brought forth a variety of".
He reduced the time of service for all ranks, curbed harsh disciplinary measures, and introduced a number of administrative changes.
Mr. Lutz reorganized G.M.'s product development operations, and introduced a number of new vehicles, including sporty models like the Pontiac Solstice and Saturn Sky.
That changed in the late 1990s when former mayor Enrique Peñalosa started work on a large-scale bus rapid transport system (BRT) and introduced a number of pro-cycling policies, including an extensive network of cycle lanes.
Senior leaders in China, which once denied it had an AIDS problem, have made the disease a priority and introduced a number of policies, some controversial even by Western standards.
In 1986, Biden did vote for the Firearm Owners Protection Actt, which blocked a federal gun-owner registry and introduced a number of other reforms to the Gun Control Act of 1968.
Gaycities, a review website for members of the LGBT community, has revamped its interface and introduced a number of new features that should help make their reviews more relevant.
As the comparison of different Phos-tag gels was difficult for several reviewers, we have aligned all Phos-tag gels in one figure and introduced a numbering system to enable easier comparison of band patterns between figures (as has been mentioned before).
The system contains well-known concepts from the field of chemical engineering and reactor engineering and introduces a number of new concepts.
This chapter describes the characteristics of blast-induced ground vibrations, presents the principles of reducing ground vibrations, and introduces a number of methods for reducing vibrations.
The opening is extraordinary, said by the composer in his notes to represent a toyshop coming alive at night, and introduces a number of direct quotations from other famous music that flavour the entire work – first, Rossini's William Tell Overture.
This article focuses upon describing the biometric process from a lower level of abstraction, and introduces a number of design features that play an inherent role in the security provided by a biometric approach.
