Sentence examples for difficult to reliably determine from inspiring English sources
This paper shows that without exact knowledge of long-duration flow-field effects a priori, it is very difficult to reliably determine the mode of structural response and degree of blast resistance.
The standard deviation of the angle of astigmatism was also compared by lens type (it is not unusual for the axis to be more difficult to reliably determine when astigmatism is low); there was no statistically significant difference in the standard deviation of the angle of astigmatism (p > 0.2).
However, the low levels of this AdoMet analogue made it hard to reliably determine the concentration of the AdoHcy product and therefore difficult to measure the rate of catechol methylation.
It was therefore difficult to reliably find the centre in the analysed tissues.
Like many phylogenetic reconstructions using a large number of sequences, branch points above the bacteria phyla level are difficult or impossible to reliably determine [ 28] and most branches appear to radiate from a few ancestral points in our consensus tree.
The fragmentary nature of ESTs, furthermore, makes it difficult and often impossible to reliably determine transcript boundaries.
A crucial distinction between controlled studies and those where responses are simply reported based on ambient exposure levels (whatever they might be) is that it is difficult (if not impossible) to reliably determine whether formaldehyde actually causes irritation at levels below about 1 ppm.
Future investigation may be necessary to reliably determine whether such a correlation exists.
This technique has been demonstrated to reliably determine fluid responsiveness in critically ill patients [ 41].
Finally, we were unable to reliably determine the dose of trimethoprim, precluding a dose-response analysis.
This apparent temporal and spatial variation in fuel loads make it difficult to reliably assess potential fire behavior from remotely sensed canopy variables to determine risk and to prescribe treatments.
