The phrase "a series of exploratory" is correct and usable in written English.
It can be used when referring to multiple investigations, studies, or activities that are intended to explore a particular subject or area.
Example: "The researchers conducted a series of exploratory interviews to gather insights on community needs."
Alternatives: "a set of exploratory" or "a collection of exploratory".
Firstly, a series of exploratory experiments were carried out to identify appropriate gas and its pressure.
Reading this book inspires me to set out on a series of exploratory hiking visits to Britain and Ireland, carrying my binoculars, cameras, toothbrush -- and this book.
A series of exploratory analyses were used to investigate the differential effectiveness of MBIs across four therapeutic process domains and seven therapeutic outcome domains.
Firstly, a series of exploratory experiments has been conducted to identify appropriate gas and wire material based on the values of cutting velocity.
BP, which plans to drill a series of exploratory wells in the Great Australian Bight marine park from next year, says it would take 35 days to cap a leaking well in a "worst credible case scenario".
And more than any particular theories psychoanalysts have about relationships, about sex or anxiety or anything else that troubles us, it is the idea of psychoanalysis as a series of exploratory conversations that Phillips has always been keen to promote.
The current study presents the findings of a series of 28 exploratory interviews conducted with lay people in the United Kingdom and Germany.
Hence, the concentrated opening areas of these projects are invariably investigated during the design stage by a series of small exploratory tunnels called drifts, which also provide for in-place field tests to investigate engineering properties of the rock mass and can often be located so their later enlargement affords access for construction.
The search by Europeans for a northern shortcut by sea from Europe to Asia began with the voyages of Christopher Columbus in 1492 and continued through the mid-19th century with a long series of exploratory expeditions originating mainly in England.
A series of confirmatory and exploratory factor analyses revealed a five-factor structure for the FIOS.
In order to understand this peculiar behavior, a series of in-depth exploratory analyses are performed on the datasets.
