The phrase "absolute barrier" is correct and usable in written English.
It can be used to describe a situation or condition that completely prevents something from happening or progressing.
Example: "The lack of funding created an absolute barrier to the project's success."
Alternatives: "total obstacle" or "complete hindrance".
The author of the study, Thomas Spielhofer, told the committee that the 88% included some for whom finance was a constraint if not an absolute barrier.
"Pigmentation wasn't an absolute barrier to changing your station," said Vivian Bickford-Smith, a historian at the University of Cape Town.
It was not that papal government was tyrannical but that it formed an absolute barrier in the way of Italian unification upon which politically minded Italians were set.
In the notes, the jurors said they were divided on whether lawyers for Mr. Hayes had proved certain mitigating circumstances concerning him that Connecticut law defines as an absolute barrier to a death sentence.
But Dawes does not present this as an absolute barrier to theistic explanations.
The highway posed a home range boundary to resident bears, but was not an absolute barrier.
Nonetheless, developmental constraints may limit variation, but need not represent absolute barriers to evolution.
Soft barriers can also be seen as 'filters' acting only on selected species rather than impassable absolute barriers [ 30].
Although these cases might place specific bounds on the efficiency and accuracy of individual steps in the assembly, genome construction, and mapping process, they are not absolute barriers to using the RPGC approach.
To analyze the source of this electronic effect, we plotted the absolute barriers for ligand coupling between the phenoxide and the phenyl/aryl groups as a function of the Hammett σ value (see the Supporting Information).
Whilst it has been noted that there are no absolute barriers to bioenergy in the EU, it is the non-technical challenges that are more likely to hold back production of suitable feedstocks [24].
