The phrase "after a long study" is correct and usable in written English.
It can be used to indicate that something was concluded or learned following an extensive period of research or examination.
Example: "After a long study, the researchers were able to draw significant conclusions about the effects of climate change."
Alternatives: "following extensive research" or "after thorough investigation".
She later gave away her first set point, double-faulting, but after a deep breath and a long, studied exhalation, Hingis knocked a first serve wide that Seles could not handle.
After a year-long study, a bipartisan commission including prominent prosecutors and death penalty supporters issued a list of recommendations on how to reduce the number of wrongful capital convictions.
Gerson Goldhaber, who after a long career studying the innermost particles of matter turned his attention, at the age of 65, to the outer reaches of the universe and found, with others, early evidence that dark energy was pulling it apart, died on July 19 at his home in Berkeley, Calif.
The Law & Order version: a young, usually white, female student who leaves the library after a long night studying.
The proposals were among 23 recommendations made by an independent committee headed by Lord Woolf, the former lord chief justice, after a year-long study.
THE nationalisation of mines in South Africa is a costly, high-risk proposition that should be adopted only as a last resort, an independent panel of experts is reported to have concluded after a year-long study of the policy in 14 countries.
However, consent in research has been considered essential since outrage erupted after a long-term study of the natural history of syphilis failed to treat participants after the discovery of antibiotics; the aim was to understand the natural history of untreated disease.
The exhibition's hook, optical illusions, can be skillful, with the double reading of a shape coming out only after long study, or cumbersome.
This endorses what teachers like me have known for a long time: study after study – from the Stanford Credo report into the American equivalent of free schools to the Institute of Education's research on Swedish free schools – show that the policy simply is not a cost-effective way of raising standards.
Disrupting the confidence of young people who are simply out to enjoy themselves after a long period of work, study, caring for a relative, aspiring for their futures, and inspiring others to exceed beyond the margins society has placed before them".
