Sentence examples for been difficult to clearly from inspiring English sources

As in many cases, it had been difficult to clearly distinguish between cervical or occipital location of onset pain; these two areas had been grouped together   5.

At times it has been difficult to clearly define whether a gene is regulated by CjFur and/or CjPerR due to the functional similarity of these two transcriptional regulators.

As the subjects completed the first assessment (screening) on the day of oocyte retrieval, it may have been difficult to clearly distinguish previous anxiety from anxiety caused by anticipation of oocyte retrieval procedures and concerns about the outcome of the treatment.

But sometimes it's difficult to clearly trace the pain to a specific cause.

A major problem is that it is difficult to clearly explain phenomena occurring in three or more dimensions on a two-dimensional chalkboard.

Due to the similar backscattering coefficients of YSZ and Ni, it is difficult to clearly distinguish between the two phases in the image.

Mr. Foer said that as print publications engage the Internet, it can be difficult to clearly define and apply journalistic principles.

Unfortunately it is difficult to clearly identify the artist's particular style in the Naples paintings, which are often in fairly poor condition, having been disregarded by curators for years.

Surprise, unexpectedness and admiration may coexist, so that it is difficult to clearly separate them.

However, other than removal of the injurious stimulus, it is difficult to clearly determine which process predominates.

Although it can be difficult to clearly distinguish the treetop in dense forests, the measured forests were not dense enough to completely block the treetops.