Lumen maintenance

In LED lighting, lumen maintenance is the luminous flux remaining (expressed as a percentage of the initial output) at any selected elapsed operating time. Lumen depreciation is the luminous flux lost over time, and thus the complement of lumen maintenance.

单词	Lumen maintenance
释义	Lumen maintenance 英语百科 Lumen maintenance In LED lighting, lumen maintenance is the luminous flux remaining (expressed as a percentage of the initial output) at any selected elapsed operating time. Lumen depreciation is the luminous flux lost over time, and thus the complement of lumen maintenance.
随便看	everybody and his mother everybody bids me good morrow everybody eating from the same big pot everybody eating out the same big pot, meaning extreme equalitarianism everybody has a share in fulfiling the various norms and the overall tasks of the enterprise Everybody Loves Raymond Every Breath You Take everybuddy every bullet has its billet Every bullet has its billet. every cargo voyage every clinic visit data Every cloud has a siler lining Every cloud has a silver lining. Every cloud has a silver lining every coin has two sides every confidence everycunt every dark cloud has a silver lining every day everyday clothes everyday concept everyday concerns everyday dress everyday english