Sentence examples for had been studied for from inspiring English sources

Bayesian e-mail filters had been studied for years, but with Mr. Graham's paper the idea went mainstream.

County officials countered that the issue had been studied for 12 years, with several independent consultants concluding that the building should be replaced.

A lot of CFO estimation algorithms had been studied for compensation of CFO in OFDM system.

ICAR functions had been studied for the set which is determined by formula (2.45).

To enhance the performance, the MoS2/graphene composite had been studied for HER because graphene may improve the conductivity and modify their morphologies [24, 27].

The applicability of novel biosorbents had been studied for the removal of chromium from tannery wastewater (Chena et al. 2011; Bhattacharya et al. 2013).

He had been studying for SAT's.

But he had been studying for his instrument rating, one reason for having few unsupervised hours.

Mr. Kiley, another son of Detroit, had been studying for the priesthood when he heard about the priest's race.

They had been studying for their GCSEs.

Elizabeth had been studying for her A-levels at Oxted School.