Sentence examples for difficulty in ascertaining from inspiring English sources

Ivory harvested prior to 1990, however, is still legal to sell, and the difficulty in ascertaining when ivory was taken allows for illegally harvested ivory to be passed off as "pre-ban".

However, oxaliplatin functions in a non-targeted manner, posing a difficulty in ascertaining precise efficacy mechanisms.

Far the preponderant number of individuals belongs to the Finches & Gross-beaks There appears to be much difficulty in ascertaininGross-beaks There

This is likely due to the difficulty in ascertaining a suitable set of initial values to ensure proper convergence to find the best possible GLD fit, an area where SR can provide valuable guidance and input.

But having a terrestrial, and not a celestial origin, we find no difficulty in ascertaining its meaning in all the parts which we allege to relate to slavery".

Accordingly, inhibition of one enzyme may lead to compensatory activity by the other leading to difficulty in ascertaining the normal roles of these enzymes.

Thus, in writing about early Rome, ancient historians were confronted with great difficulties in ascertaining the truth.

We encountered several difficulties in ascertaining the accuracy of BOLD and GenBank records that illustrate current shortcomings in these systems.

In our study, there were difficulties in ascertaining the cause of death.

No causal inferences may be drawn from these findings due to obvious difficulties in ascertaining temporality in cross-sectional surveys.

Recurrence of breast cancer was also omitted because of the difficulties in ascertaining recurrence within a community setting.