Such refractory materials as silicon dioxide and aluminum oxide are so severely attacked that their use is hazardous.
Seven insertions were located in the retrotransposon array, indicating that the terminal array is not refractory to P-element integrations.
Thus far, these patients have proved relatively refractory to potential therapies interfering with individual molecules.
The propagative stages of the nematode occur exclusively in adult male crickets; thus adult females crickets are refractory to infection.
Kippenberger, even at his most refractory , is an artist of energy, sharp insight, great skill and considerable integrity.
Some compounds of hafnium are also used as refractory substances to line the inside of high-temperature ovens.
Mr Mills said KCM had for the past year been carrying out tests to determine the economic value of the dumped refractory ores in an effort to recover and process the hundreds of tonnes of copper.
In his reply, Mr Goggins said: ‘Special accommodation may only be used for the temporary confinement of a violent or refractory prisoner, and not as punishment.’
Caspofungin is a Protocol Drug at UIHC and may only be used in patients who are refractory to or intolerant of amphotericin B or amphotericin B lipid complex, or by recommendation of Infectious Diseases Division consult.
The reason is that the traits of interest, hybrid sterility and inviability, are by their very nature barriers to crossing and thus are refractory to standard genetic approaches.