Sentence examples for difficult to certify the from inspiring English sources

That combination often makes it difficult to certify the precise cause, particularly among older patients who die with more than one ailment.

That made it very difficult to certify a bill as being solely English.

Absolute values for DNA isolation procedures are difficult to certify, hence comparative results on community structures obtained using standardized ARISA with identical primers are of value.

Another issue is that the low-value, moisture-rich biomass flows that are being used are less homogeneous than the standardised, dry wood pellets that are being traded internationally, and therefore difficult to certify.

Among the controversial provisions were changes to labor law for rail and airline workers -- backed by the airline industry -- that would count anyone who did not vote in an election for a union as voting against it, making it much more difficult to certify attempts to organize new unions.

The city registrar has until November 30th to certify the results.

Officials then have to certify the ballots after the election.

The Board of State Canvassers is to certify the vote on Monday.

A doctor has to certify the cause of death, but getting to a doctor who can -- or will -- sign the death certificate and identify the causes of death can be difficult.

TGA was also used to certify the good chemical and thermal stability of the new surface.

Equation 8 is applied to the actual sampled data to certify the fine frame synchronization.