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...t description|Variable to quantify the short wavelength light in a visible light source}} ...trical component)|lamps]] that minimize [[skyglow]] and [[ecological light pollution]]. The G-index was originally proposed by [[:eo:David Galadí-Enríquez|David ...

According to [[Snell's law]], light cannot escape from a medium when it strikes the medium boundary at an angle ...r)</sub>=56.8° and θ_in=45°< θ_(c,water), the incoming light is merely refracted and traverses the polycarbonate medium. As such, water ...

The '''Streeter–Phelps equation''' is used in the study of [[water pollution]] as a [[water quality modelling]] tool. The model describes how [[dissolve ...ef name="Streeter 1925">Streeter H. W., Phelps E. B., 1925, A Study of the pollution and natural purification of the Ohio river. III. Factors concerned in the p ...

...]s, water, dust, and [[aerosol]]s causes the [[diffuse sky radiation|sky's light]] to have a defined polarization pattern. The same [[elastic scattering]] p ...ized at a scattering angle of 90° from the light source. In most cases the light source is the Sun, but the Moon creates the same pattern as well. The degre ...

{{Pollution sidebar|Water}} ...t reasons. During winter, ice and snow cover can [[Attenuation|attenuate]] light, and therefore reduce rates of photosynthesis. The freezing over of a lake ...

...[electroplating]], [[brine]], [[vinegar]], [[food processing]], and in air pollution control equipment, especially at [[municipal]] [[waste water treatment plan FRP [[Scrubber]]s are used for scrubbing [[fluids]]. In air pollution control technology, scrubbers come in three varieties, Dry Media, Wet Media ...

...ght and absorb certain wavelengths changing the amount of short-wavelength light reaching the Earth's surface. ...color of what remains after scattering removes some blue from the "white" light from the sun.</ref> ...

...]], [[lichen]], [[pollen]], [[engine exhaust]], and [[agricultural]] [[Air pollution|emissions]]. Soiling affects conventional [[photovoltaic systems]], [[conce ...r, soiling also includes snow, ice, [[frost]], various kinds of industry [[pollution]], [[Sulfuric acid#Stratospheric aerosol|sulfuric acid particulates]], bird ...

Springtime phytoplankton blooms have been thought to be initiated by seasonal light increase and near-surface stratification. Recent observations from the sub- == Plastic pollution == ...

...rallax]] measurements taken by the [[Gaia spacecraft]], it is located 87 [[light-year]]s away. [[File:MuCetLightCurve.png|thumb|left|A [[light curve]] for Mu Ceti plotted from ''[[Transiting Exoplanet Survey Satellite| ...

...18|website=Encyclopedia Britannica|language=en}}</ref> (except for visible light) therefore the ocean surface is easy to monitor but it is a challenge to re ...ce, <math>h</math> the [[Planck constant]]; <math>c</math> the [[speed of light]] and <math>k</math> the [[Boltzmann constant]]. Most radiation emitted by ...

...'refract') means that the telescope is made exclusively with [[refraction|light-refracting]] [[lens (optics)|optical lenses]] and does not use [[reflecting ...14-10-22 |language=en |access-date=2023-03-08}}</ref> However, the [[light pollution]] from the nearby railway facilities at [[Berlin Südkreuz station|Südkreuz] ...

...re required for [[anti-reflective coating]] and photonic devices such as [[light emitting diode]]s (LEDs) and [[image sensor]]s.<ref name=Liu /><ref name=Ye ...[[RoHS]] legislation adopted by the [[European Union]] to reduce potential pollution of the environment.<ref>{{cite journal|author=Emma Goosey|title=Brominated ...

=== Oil pollution in the ground === Substances like [[Petroleum|crude oil]] and [[tar]] [[Pollution|pollute]] the ground and are difficult to clean up because of how they stic ...

...flows has a tremendous variety of engineering and scientific applications: pollution dispersion in the atmosphere, fluidization in [[combustion]] processes, aer ...or statistical convergence. In addition, if the particles are sufficiently light, they behave essentially like a second fluid. In this case, an Eulerian tre ...

...ira variable]], on the basis of its large amplitude and reasonably regular light variations, with a period of about 600 days.<ref name=pg/><ref name="Grady" ....png|thumb|left|A [[Photometric_system#Photometric_letters|visual band]] [[light curve]] for HV 2112, plotted from [[All Sky Automated Survey for SuperNovae ...

An '''excimer lamp''' (or '''excilamp''') is a source of [[ultraviolet light]] based on spontaneous emission of [[excimer|excimer (exciplex) molecules]] Excimer lamps are [[monochromatic light|quasimonochromatic light]] sources operating over a wide range of wavelengths in the [[ultraviolet]] ...

...y enhanced extinction spectroscopy (IBBCEES), measures the transmission of light intensity through a stable [[optical cavity]] consisting of high reflectanc ...t:Special:Search/dispersive|dispersive]] or [[interferometric]] means. The light is either directly focused onto the entrance slit of a [[monochromator]] an ...

...ontemporary challenges of [[climate change]] and [[Pollution|environmental pollution]] by creating a sustainable [[Circular economy|circular network]] of waste ...|last6=Zhong |first6=Qin |date=2022-01-01 |title=Highly-efficient visible-light-driven photocatalytic H2 evolution integrated with microplastic degradation ...

...ent]] is required to replenish each active well with electrons as it emits light. In a cascade laser, the wells are connected in series, meaning that the vo ...ide optical [[cladding (fiber optics)|cladding]]. In addition to producing light, the layered epitaxial structure must also act as a [[optical waveguide|wav ...