The absence of such crucial data makes any automated evaluation of a synthesis route candidate along mass- or energy/exergy-based criteria nearly impossible.
Evaluating the validity of this alternative hypothesis is difficult, as the presence and extent of a bias induced by these criteria is impossible to determine without a means of independent comparison.
Some PIP criteria were impossible to evaluate in cases with insufficient clinical information and history (e.g. information about an intact uterus).
Because diagnosis is made at the age of 3 years or older, verification of this hypothesis on the basis of current diagnostic criteria is impossible.
This expansion of criteria makes it impossible to compare apples to apples when looking at data on long-term trends, because what counts as "autism" is simply quite different today.
But until risk is compared against risk tolerance criteria (RTC), it impossible to know whether that risk is too high or not, and if it is too high, by how much it must be reduced to become tolerable.
Note that each of these publications use different sets of fingerprints, different reference data sets, and different evaluation criteria, making it impossible to directly compare their results and conclusions.
The rules do not ban private ownership, but they outlaw interstate sales of ivory items, unless they meet what sellers describe as impossible criteria".
Euthanasia was only considered in cases where recovery was impossible (criteria for recovery see [13]) and thus mortality can be considered representative of natural fire mortality.
