Sentence examples for it was difficult to select from inspiring English sources
A high concentration of G418 (0.8 mg/mL) allowed the selection of uniformly high eGFP-expressing cells, from which it was difficult to select a high-expressing fraction using FACS.
An account of their trip, probably written by Hutchinson, appeared in The Scotsman and reported, "On a stretch of beautiful links ten miles in length it was difficult to select the best site for a course, as half-a-dozen courses, each having special points of interest, could have been marked off on the available ground.
Although it was difficult to select images for the book, the mom said she decided to go with the characters that resonated most with others.
Since all the patients basically underwent surveillance colonoscopy at the time of referral or 7th year from the onset, it was difficult to select an appropriate control group.
The large disparities between reported proteins meant that it was difficult to select potential biomarkers, and also not possible to generate meaningful hierarchical clustering based on detected proteins.
However, since we only used the top 10 tagging results, the scores for those tagging results not in the top 10 lists were missing and it was difficult to select a correct tagging result based on incomplete sums of scores.
However, because of the high degree of flexibility in the values of QP e and number of MGS fragments n in the selection, it is difficult to select a suitable coding scheme by multi-coding that does not also dramatically increase encoding time and computational complexity.
"It is difficult to select only a few.
I have so many vivid memories of the 2000 recount frenzy that it is difficult to select from among them.
Though in the case of this author, there are so many titles that it's difficult to select just five or even 10.
"If it goes for a longer period, then it's difficult to select them, based on how they feel – never mind from a training point of view – and to know can they go and play at that level having not played for their own team for a considerable amount of time.So it is a concern".
