President Bush and President Vladimir V. Putin were regularly briefed on the case, which involved an exchange of agents between the F.B.I. and the F.S.B., Russia's internal security service, the officials said.
VIENNA — There was nothing noir about the exchange of espionage agents in broad daylight on Friday at this city's international airport.
Laws passed in 2001 and 2002 regulate possession and exchange of infectious agents, as well as some experiments.
It is known that submerged chambers offer significant experimental advantages, including fast exchange of pharmacological agents and visually guided patch-clamp recordings.
Maintaining physiologically relevant network activity in submerged slices has proven much harder, but, if successful, would offer important experimental advantages over interface conditions, including faster exchange of pharmacological agents, visually guided patch-clamp recordings and advanced imaging techniques.
Although physiologically realistic patterns of network activity have been successfully induced in brain slices maintained in interface-type recording chambers, they have been harder to obtain in submerged-type chambers, which offer significant experimental advantages, including fast exchange of pharmacological agents, visually guided patch-clamp recordings, and imaging techniques.
The entire information exchange and coordination of agents with other agents and the environment is performed by using a tuple space database.
Harman could have feared being challenged on her wiretapped conversation with former AIPAC employees that resulted in accusations of improper information sharing and exchanges of favors with agents of a foreign land [Israel].
The DCE-MRI parameters AUC and Smax, representative for contrast agent build-up, were shown to yield a lower correlation with SPECT data than AUC60, wash-in, K trans, and k ep, representing the exchange of contrast agent between tissue and blood.
These earlier findings indicate that the rate of exchange of contrast agent between the myocardium (normal and injured) and the blood pool is constant and much faster than the clearance rate in the kidneys during the first 30 min after contrast agent administration.
