1. Alberto also started negotiations for the acquisition of ultracentrifuges  from West Germany. 2. The elimination of air friction is useful for flywheel energy storage and ultracentrifuges . 3. On his return from England Both created an ultracentrifuge  for isolating very fine viruses. 4. Modern ultracentrifuge  are capable to reaching an acceleration of millions of g's. 5. In 1954, Beckman Instruments acquired ultracentrifuge  maker Spinco ( Specialized Instruments Corp . ). 6. The remaining 50 percent is owned by UCN, a government-owned producer of ultracentrifuges . 7. The vacuum ultracentrifuge  was invented by Edward Greydon Pickels in the Physics Department at the University of Virginia. 8. A protein sample is then layered on top of the gradient and spun at high speeds in an ultracentrifuge . 9. Effects of ionic strength on the ultracentrifuge  pattern for water-extractable soybean proteins at pH 7.6. 10. The bacteria were cultivated while being rotated in an ultracentrifuge  at high speeds corresponding to 403, 627 g.