Sentence examples for difficult to confidently identify from inspiring English sources
In the high canopy of the kipuka forests, overcast skies make it difficult to confidently identify the tiny color bands on birds' legs or to judge the condition of an active nest; rain and fog make it all but impossible.
This type of analysis is very difficult to perform using expression data from microarrays, since the measurements are complicated by the presence of background hybridization signal making it very difficult to confidently identify genes that show an expression level near zero in either tumor type.
To further complicate the issue, there are few direct comparisons between the various agents [11,37,45] and it is therefore difficult to confidently identify a superior drug for a given clinical situation.
T5SS systems, in which the secretin and extracellular function are encoded in the same protein were particularly difficult to confidently identify since the channel forming domain of these systems are highly variable in sequence and currently only detectable by two domains, PF03797 and PF03895 [ 17].
They conclude that few studies have been able to "confidently identify" evidence of an effect on the availability of bank credit.
The resulting models can be used to confidently identify a significant percentage of the artifactual alerts.
Previously published systematic reviews do not permit to confidently identify the determinants of THA outcomes because of unsatisfactory methodological designs.
The goal of imaging in the setting of pseudotumoural lesions is thus to confidently identify lesions that do not need further investigations and/or interventions (e.g. biopsy).
The 'maps' can be used to confidently identify facade-locations where there is high irradiation, for example to aid the siting of photovoltaic (PV) panels.
Unfortunately, the transverse processes are too damaged to confidently identify any of the centrodiapophyseal fossae.
We attempted to find potentially paralogous sequences within our EST data; however, we were unable to confidently identify examples.
