Exact(2)
In recent years, light-emitting diodes (LEDs) have emerged as eco-friendly replacements for incandescent light bulbs and fluorescent lamps because of high electric-to-optic conversion efficiency, long lifetime, small size, etc. LEDs also have an interesting feature that the light output can be modulated with high-frequency signals.
RGB LED possesses merits of broad bandwidth, low cost, long lifetime, small volume, easy maintenance, and ready to be integrated as a multi-color source module.
Similar(58)
Unfortunately, the relative contribution to the total wood death from fine and coarse wood is difficult to quantify, in part due to the different lifetime (smaller stems generally have shorter life than the whole tree).
Because its schools are financed by both private and public funds, SEED can offer this once-in-a-lifetime, small-class-size, prep-school education for free, but it can't cherry-pick its students.
Among a few works serving as an introduction to Haremhab's lifetime, the small figure of a scribe, probably from Saqqara in the area of ancient Memphis, is seen seated cross-legged, holding a papyrus scroll unrolled on his lap.
Similarly, the plight of Nolte's trainer, scrabbling around the margins of the racing industry, hoping against hope for that one special horse, is made more powerful by the fact that a lifetime of small disappointments are etched on his weather-beaten face.
However, the average route lifetime is small compared to RWP, due to the continuous node mobility which leads again to frequent link breakage.
The most up-to-date power density of available battery technology cannot match the needs of most WSN for long lifetime and small form factor, which limits the use of WSN due to the need for large batteries.
The size-dependent decay time could substantially alter the excitation power-dependent emission, and an even larger blueshift can be expected as the shorter PL lifetime of small NCs allows for more radiative recombinations.
The location of cycling-induced cracks in the TBC multilayer was influenced by the bond coat composition but variation in TBC lifetime was small, despite the different failure modes.
"My mom had eight dogs in her lifetime, all small poodles.
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