Development of advanced centrifuges is feared to lead to material potentially suitable for manufacture of nuclear bombs.
His expertise in vacuum technology aided Dr. Khan's development of atomic centrifuges, which produced fuel for Pakistan's nuclear arsenal, now variously estimated at 50 to 100 warheads.
The Obama administration is now asking Congress for a compromise that would give USEC $300 million for further development of its centrifuges, and allow the company to demonstrate that they are durable enough to warrant a full-scale plant.
The brief history of development of gas centrifuge technology for uranium enrichment is presented.
However, the radiological modifications observed later with the development of a centrifuge ossification corresponding to microscopic features to a reverse pattern of ossification ("reverse zonal phenomenon"), and of course, the progressive tumour growth and extension were that of a malignant tumour.
Disagreement centres on how to limit Iran's development and use of centrifuges that enrich uranium.
Iran has accepted strict limits on its development of new superefficient centrifuges during the first 10 years of a deal, but after that there are differences.
Iran has accepted strict limits on its development of new super-efficient centrifuges during the first 10 years of a deal, but after that there are differences.
Iran has accepted strict limits on its development of new super-efficient centrifuges during the first 10 years of a deal, but there are disagreements on what would happen afterwards.
Diplomats say the other appendices include ways of dealing with enrichment, limits on Iran's research and development of advanced uranium-enriching centrifuges and ways of making sure Tehran is keeping its commitments.
