Sentence examples for it must be present from inspiring English sources
For EGCG to be effective as a radical scavenger, it must be present at micromolar levels in tissues, whereas its indirect effect can be achieved at much lower tissue concentrations, typically in the range 0.1 1.0 µM (Shimizu and Weinstein 2005).
In some form it must be present, since the matter of contraries is the same.
Although public virtue may not be necessary in a monarchy and is certainly absent in despotic regimes, it must be present to some degree in aristocratic republics and to a large degree in democratic republics.
Because organic matter is consumed during heterotrophic denitrification, it must be present in order for the reaction to occur.
Indeed, if Supreme Command is diffusely present everywhere, it follows that it must be present in the King of the Apes, and it could even be argued that, while remaining evenly distributed, it is, in a sense, more present in him than elsewhere.
They must figure out whether and how it crosses the placental barrier between mother and child, when in fetal development it must be present to do damage, and whether other factors — say, a genetic predisposition or nutritional deficit — must be in place for harm to occur.
The Ride Our Waters Free voucher is available at (800) 227-8669; it must be presented at the hotel upon check-in.
(footnote 27) Moreover, after a bill has passed both houses of Congress, but "before it become[s] a law," it must be presented to the President.
The justices ruled that for a congressional act to have legal effect, it must be presented to the president for signature or veto.
At the receiving end of the telemetry chain, two tasks must be performed: the original measurement data must be extracted from the received signal, and it must be presented or displayed in intelligible form.
But the Supreme Court struck down what it calls legislative vetoes in 1983, ruling that for a congressional act to take legal effect, it must be presented to the president for signature or veto.
