Breeder reactors have a long history but have so far not proved successful commercially.
These membranes are stable in air-treatment at 450 °C, but have, so far, also proven unstable to high-temperature steam.
We test the two scenarios using a general circulation model, but have so far been unable to obtain an equatorial jet that resembles observations.
They estimated that restoration would cost $285,000, but have so far spent $400,000.
Canada were aiming at 18 medals but have so far managed only six.
The orders are temporary in name, but have so far been open-ended and indefinite.
Indeed, potent in vitro inhibitors of Kdo biosynthesis enzymes have been reported but have so far failed to show sufficient in vivo action against Gram-negative bacteria.
Other parties operate from strongholds but have so far failed to field a candidate with broad national appeal.
ALESCH: We like quirky, messier places, where the staff is sort of winging it but have so much compassion.
Officers have a strong DNA profile but have so far drawn a blank on the national database.
Rivals made by Samsung and Sony already exist, but have so far failed to spark much excitement.
