The liver can only process a certain amount of alcohol per unit time.

Its decay energy per unit time should be only about 0.2% that of Tc-99.

Throughput is the amount of work done per unit time.

So there is little energy per unit time, or power, transmitted to the sail.

Power is defined formally as units of energy per unit time.

However, because of the speeds involved, flight requires the most energy per unit time.

The product of flow and concentration gives mass per unit time.

Power units measure the rate of energy per unit time.

This results in more molecules passing through the hole per unit time.

Action game players make more correct decisions per unit time.