Useful Life (of a lamp): Difference between revisions
Jump to navigation
Jump to search
No edit summary |
m (Dictionary clean-up: identifier → urn:mrn:iala:dic:2-3-0445) |
||
| (5 intermediate revisions by one other user not shown) | |||
| Line 1: | Line 1: | ||
'''2-3- | '''urn:mrn:iala:dic:2-3-0445''' | ||
The length of time during which the luminous flux emitted by the lamp exceeds a specified proportion of its initial value. | The length of time during which the luminous flux emitted by the lamp exceeds a specified proportion of its initial value. | ||
| Line 7: | Line 7: | ||
{{languages|Useful Life (of a lamp)}} | {{languages|Useful Life (of a lamp)}} | ||
[[Category:2.3 Light Sources] | [[Category:2.3 Light Sources]] | ||
[[Category:Alphabetical Index]] | [[Category:Alphabetical Index]] | ||
[[Category:IALA Dictionary 1970-89 Edition]] | [[Category:IALA Dictionary 1970-89 Edition]] | ||
Latest revision as of 10:11, 17 September 2026
The length of time during which the luminous flux emitted by the lamp exceeds a specified proportion of its initial value.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
