The phrase "has been introduced at" is correct and can be used in written English.
It can be used when referring to the introduction of something or someone to a particular place or situation. For example: "A new technology has been introduced at our school to improve the learning experience of our students."
She suggests that the bill has been introduced at the behest of the Americans.
Even so they are not something that has been introduced at a later date by those keen to mythologise the war.
Designed to make the least active pupils take an interest in their fitness, a scheme has been introduced at Lings Primary School, one of 30 throughout the country to try out the radical new lessons.
She gives the example of the Digismart scheme, of which she is a patron, which uses digital tools to mentor struggling school children, and has been introduced at 500 schools.
According to Superintendent Scott A. Oswald, a program for autistic students has been introduced at the elementary level, and a reading intervention program is in place at the middle and high schools.
The CO is also expected to receive detailed administrative information on industrial disputes and political expenditure, and it's not unreasonable to suspect this has been introduced at least in part to cripple unions with bureaucracy.
She is believed to be the youngest pianist ever to have been introduced at Town Hall.
Costumed characters have been introduced at Disneyland, where posters advertising the show also adorn ticket kiosks.
The technique of brass casting, however, had been introduced at least a century earlier.
Security scanners have been introduced at the studios where Blue Peter is filmed.
Similar high-voltage technologies have been introduced at Zeebrugge in Belgium, and in Los Angeles and Long Beach in California.
