Sentence examples for this is not stable from inspiring English sources
In short, we found that preference for a food resource can coevolve with a mating preference as models suggest, but that this is not stable, as we were unable to detect selection acting against hybridization.
pH values remained stable between 5.0 and 8.0 pH, while pH values above and lower beyond this were not stable.
The combined seasonality test showed a higher incidence in the fall, but this was not stable over the last years.
From these results, it is clear that, although Ti0.8Ta0.2O2 synthesized by this new method presents a good activity for the ORR, this support is not stable enough for a practical application.
Also, people who visited a physician during the last 6 months but did not pay for this are more likely to report being unable to pay, though this effect is not stable.
"Tom Coburn, Susan Molinari, Mickey Edwards - all these folks that were part of his inner circle, who watched him on a daily basis, said, 'Enough is enough, this man is not stable,"' Mr. Sununu said.
Moreover this potential is not stable.
However this scheme is not stable for some examples of application.
This hydroxide is not stable and it degrades either to black CuO or to hydroxychlorides.
Figure 3 demonstrates that the sample synthesized in this work is not stable under cathode conditions.
