The phrase "addition of new items" is correct and usable in written English.
You can use it when referencing something new that has been added to a collection or group. For example: The library's collection has been enhanced with the addition of new items.
More specifically, the authors showed that the addition of new tags is strongly correlated with the addition of new items (here: photos) and it is also only moderately correlated with the registration of new users to the system.
Update (1 20 PM PT): S3 is now fully recovered in terms of the retrieval, listing and deletion of existing objects, according to the AWS status page, and it's now working on restoring normal operation for the addition of new items to S3-based storage.
These results led to the addition of new items in the item bank.
Therefore the support availability scale was broadened with the addition of new items aimed at encompassing social capital concepts of trust, obligation and sanction [ 61].
Addition of new items did not improve general specificity even if they provide notable clinical information about problems present in the target children.
The latter may need to involve both removal of some items deemed to measure multiple biases and the addition of new items in the attempt to survey the range of biases that may compromise medical decision making.
The addition and retesting of new items and factors of our MSF questionnaire in the future would allow us to develop a new MSF that would in fact assess those sets of competencies, although some of those competencies may be tested by using different assessment methods.
Moreover, the authors demonstrated that this continuous growth of the tag vocabularies of specific users is related to the discovery by these users of new items (here: bookmarks) and the addition of new tags to categorize and describe them.
The registration of new items at the Ministry of Industry and Information Technology in China has noted the addition of three numbers, A1876, A1980 and A1993.
Some of these items can look new with a little work -- at a fraction of the cost of new items.
Both would require the production of new items, however.
