The phrase "a century of study" is correct and usable in written English.
It can be used to refer to a period of one hundred years during which research or examination of a particular subject has taken place.
Example: "The findings from a century of study on climate change have significantly influenced current environmental policies."
Alternatives: "a hundred years of research" or "a hundred years of investigation".
Despite a century of study, many aspects of the Tunguska event are still unexplained.
After more than a century of study, thousands of sound recordings, musical transcriptions, and publications exist on American Indian musics.
Cosmic-ray acceleration has been a long-standing mystery1,2 and, despite more than a century of study, we still do not have a complete census of acceleration mechanisms.
Despite nearly a century of study, the in vivo function of microglia and the extent that they contribute to the onset, progression and recovery from neuroinflammatory disorders is still a subject of debate.
Today, through over a century of study of both the Earth's surface and the completeness of the fossil record, paleontologists have been able to determine that while the record will never be complete and always has preservation biases, we often have more than enough evidence to draw strong evolutionary conclusions about the history of many groups, both living and extinct.
There is a century of study, policy and critique of the relationship between extractive industry, the environment and stakeholder interest.
After more than half a century of studying invasive species, biologists still can't tell which ones will die off and which ones will run rampant.
Unfortunately, nearly half a century of studies of stars indicates that the oldest stars in the Milky Way are at least 16 billion years old.
The natural histories of free-living and pathogenic protozoans have been described in over a century of studies, spanning a range of disciplines such as microscopic, cellular, taxonomic, pathological, clinical and molecular.
The impact structures have been the subject of more than half a century of studies and range from several tens of meter-large craters to buried structures larger than 100 km in diameter.
After a century of studying their tangled mathematics, physicists can tie almost anything into knots, including their own shoelaces and invisible underwater whirlpools.
