Sentence examples for be hard to observe from inspiring English sources
You can see a sample of his German style here).Returning to English, it can be hard to observe a lot of the usage advice out there, especially if that advice is phrased in a list of "don'ts" regarding grammatical categories.
However, finding precise data on incubation periods is difficult because the events that define an incubation period — infection and symptom onset — may themselves be hard to observe.
However, it would be hard to observe or study strand bias on the 454 Life Science's sequencing platform, due to its limited depth.
Significant differences in surface morphologies between BCP and ALN-eluting BCP scaffolds were not observed because immobilization of small-molecular weight ALN might be hard to observe on the surface of subcentimeter-sized BCP scaffolds.
Furthermore, he suggests that increased plasticity will often be hard to observe given the short-lived nature of the associated fitness advantage once successful colonization and adaptation have occurred.
The p-values in the comparison with mRNA pairs targeted by same miRNAs but not in same MTBs as background were particularly significant, indicating that MTBs helped discover mRNAs with strong expression correlations that could be hard to observe if all targets of a miRNA were considered together as a group.
If the true recombination frequency has increased at the same rate all over the genome, across all intervals, then it will be harder to observe this increase in larger intervals (as illustrated in Figure 1b).
For example, the increase in entropy at N∝1/ μ found by [ 26] corresponds to our result that valley-crossing begins to significantly influence evolution when N∼1/ Γ: this is approximately proportional to 1/ μ, albeit with an additional log dependence on μ from the γ factor that would be harder to observe experimentally.
Simply stated, owing to their distance and therefore their dimness, galaxies are hard to observe and the observations even harder to interpret.
