Sentence examples for been difficult to substantiate from inspiring English sources
While the published results of Iran's presidential election are widely disputed, claims of fraud have been difficult to substantiate because so many steps took place behind closed doors.
Occasionally, lizards and toads may also be found in the same den, but stories of snakes that share denning sites with small birds and mammals have been difficult to substantiate.
A causative role of BAFF in cancer and cancer cachexia independent of inflammation has been difficult to substantiate; interestingly however, Koizumi et al. have shown that in vitro incubation of tumor cells isolated from pancreatic ductal adenocarcinoma (PDAC) patients with human recombinant BAFF resulted in altered phenotype with increased invasiveness and motility.
Although the $33 trillion has been difficult to substantiate, this study was widely praised for drawing attention to the value of ecosystem services, says Rick Linthurst, national program director of the Ecosystem Services Research Program at the U.S. Environmental Protection Agency EPAA).
(The group also claimed that a large number of young voters supported the D.P.P. because of the Tzuyu affair, though that is difficult to substantiate).
"Some of the things that have been alleged will be difficult to substantiate without speaking directly with the people who filed the lawsuit," he said.
The CO2-capture literature is difficult to follow because the number of papers and patents has exploded, and the claims of the authors are difficult to substantiate.
The example application results in a comparatively small range of buckle capacity, which would otherwise be difficult to substantiate based on deterministic design space selections.
Mr. Klobuchar's theory that online companies are regaining customers at a faster rate than their off-line competitors is difficult to substantiate given the reporting methods of traditional companies, said Michael T. Vinciquerra, an analyst with the investment firm Raymond James.
Both parties' claims are dubious and will be difficult to substantiate one way or another.The war of figures will leave most voters bemused, deepening the prevailing mood of disenchantment with politics.
