'fruitful study' is correct and usable in written English.
You can use it to describe productive or beneficial research, reading, or learning. For example, "We had a fruitful study session and were able to learn a lot."
It would make a terrific double bill with Barbet Schroeder's mesmerizing 1974 documentary, "General Idi Amin Dada: A Self Portrait," of which Mr. Macdonald has obviously made a close and fruitful study.
He closed his review with these enthusiastic words: "The new symphony of Brahms is something of which the nation may be proud, an inexhaustible fountain of deep pleasure and fruitful study".
This is the beginning of the fruitful study of fixed point theory and coincidence theory for larger classes of manifolds, such as infra-nilmanifolds [7, 8], solvmanifolds (see for instance [9]) and infra-solvmanifolds (see for example [10]).
The other was to begin exploring the data set for potentially interesting or unexpected relationships that might lead to further fruitful study.
Although there have been many fruitful studies in the last five years, many issues still remain unsolved and require more studies in the future.
Mutually beneficial information exchanges between different modeling groups will be required for future fruitful studies during the forthcoming era of global non-hydrostatic modeling.
Although this approach is fairly recent, a number of fruitful studies have been described, which we briefly review here.
During the past two decades, several assays in budding yeast that use different principles were developed to measure CIN on a semiquantitative level, enabling fruitful studies of genes and mechanisms that confer accurate chromosome segregation in this model organism.
The emergence of AS160 as a downstream molecule of Akt and the fact that it contains a functional GAP domain has shed valuable light on the linkage between the insulin signalling pathway and GLUT4 translocation and has inspired fruitful studies in the search of Rab proteins downstream of AS160.
Instead, they are better analyzed as irreducibly binary quantifiers, and their study has given rise to the theory of generalized quantifiers, which has become a fruitful subject of study partly because of its applications in the semantics of natural language.
The comparative analysis of stated and observed health services utilization is a desideratum and fruitful subject of future studies.
