см. тж. значительный; чётко выраженный

• The hydrogen molecules here cannot emit detectable amounts of radiation.

• The corrosion of an ancient metal object may continue at an appreciable rate in ordinary air.

• The greater this velocity, the more conspicuous the Doppler shift.

• A distinct drop was found at 86°F.

• All these alloys possess marked ferromagnetic properties.

• Acridine shows marked fluorescence.

• If no perceptible (or sensible) change takes place in ... , the solution is saturated.

• The influence of temperature is much more prominent than that of the reactor throughout.

• The wood has been subjected to pronounced humidity changes.

• Only one reaction occurs at a detectable rate without a catalyst.

• The hydrogen contains noticeable amounts of ammonia and ... as impurities.

• The tilt became more pronounced with time.

• Many of these compounds are not formed in any detectable amount.

• These changes are most evident in gases.

• Such additional variables have no noticeable effect on ...

• No evolutionary trends are in evidence here.