Because the United States runs a huge trade deficit, it requires a constant infusion of investments from abroad to balance the international accounts.

Another focus is the enormous lawns, found at places like corporate campuses, that require constant and expensive infusions of labor and resources.

The project to build Desjardins Canal continued for ten years, from 1827 to 1837, and required constant infusions of money from the province.

The bath medium is changed daily, I should probably add at this point, and kept germ-free with constant infusions of scalding water.

And I needed constant infusions of cash.

For a 10-minute constant IV infusion (right column, figs.

For the 30-second constant infusion using the binding model (left hand column, figs.

Figure 8shows a similar result for a 30-minute constant infusion with the first sample point at 30 minutes.

In this case, the assumption of constant infusion is only approximated as doses are repeated over the course of several days.

For each case, the results of a 10-minute constant infusion will be compared with a 30-second constant infusion.