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 ...