light intensity


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light intensity

the quantity of light present.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
On the basis of type, the global aviation beacons technology market has been segmented into low light intensity beacons, medium light intensity beacons, and high light intensity beacons.
The treatment without light intensity (0 lux) was planned with no light input, and black canvas covered the aquarium overall.
This causes the two measured light intensity peaks to become closer together and less distinct, as shown in Figure 2d.
Each additional 30 minutes a day of light intensity activity, such as gentle gardening or taking the dog for a walk, for example, was associated with a 17 percent reduction in the risk of death.
The comments come after they found that even just a few minutes at a time of any level of physical activity, including of light intensity, is linked to a lower risk of death in older men.
The key factors that determine the conductivity contrast include the choice of semiconductor material, wafer thickness, and light intensity.
At each light intensity, three samples were prepared (n = 3) and five microhardness indentations were made per specimen.
Both methods utilize two different PMMA optical fiber sizes (2 x 3 mm and 20 mm) at five different heights (6,8,10,12, and 14 in) to determine the effect of height on both light intensity and light uniformity.
[X.sub.0] light intensity at local [T.sub.S], measured and expressed as exposimeter "Lunex" relative values (directed towards the zenith); calibration of the exposimeter was carried out by light-meter Metra (Prague, Czech Republic), and corresponding values in lux (given in parentheses) were: 1.0 (42), 2.0 (65), 3.0 (115), 4.0 (200), 5.0 (365), 6.0 (740), 7.0 (1750).
This increased the light intensity on the surface of the cell, thus increasing electrical output for a given cell size and weather conditions.
As in previous studies (e.g., Brill et al., 2008), we examined changes in retinal sensitivity to light resulting from exposure to simulated sunlight by recording the summed potential of electrical signal in response (in volts [V]) to a range of light intensities (I) and subsequently used the data to construct voltage in relation to log light intensity response curves (V-log I).