Sentence examples for constitute a difficult from inspiring English sources

The presented data conforms to the common knowledge that discriminating between various isomers of larger fullerenes can constitute a difficult experimental task.

As we pointed out, the interpretation of the structures emerging from MFA constitute a difficult and time-consuming step.

In contrast, KPS was not found to be a prognostic factor in our analysis of 215 LLD patients, with the limitation that patients with KPS <60% were not included in the trial and the comparison between KPS, ECOG and WHO-PS constitute a difficult issue (Sorbye et al, 2007).

Overall, these patients constitute a difficult-to-treat cohort in which 65% of patients were obese and 62% of patients had grade 2 or 3 hypertension despite ongoing treatment.

Long-term care constitutes a difficult and expensive challenge in any health system.

It unfolded in Cambridge, a hotbed of liberal activism, but it still constitutes a difficult struggle with uncertain results.

By Steve Coll July 20 , 2017Francisco Rodriguez's case unfolded in a hotbed of liberal activism, but it still constitutes a difficult struggle with uncertain results.

This procedure constitutes a difficult task for process installations with a complicated structure.

Although disagreement often exists as to what constitutes a difficult or unsuccessful learner experience, identification of problem learners is important.

In particular, conserving the cultural rural landscape of the Mediterranean basin constitutes a difficult task due to the fact that, on one hand, rural abandonment, and on the other, agricultural intensification, are generating a new type of landscape which is apparently less appealing than the traditional one.

Estimating actual rates of duplication, recombination, and deletion during the 100 Myr of evolution encompassing the putative WGD event constitutes a difficult proposition, especially because rates vary with time.