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  2. Diffuser (optics) - Wikipedia

    en.wikipedia.org/wiki/Diffuser_(optics)

    In optics, a diffuser (also called a light diffuser or optical diffuser) is any material that diffuses or scatters light in some manner to transmit soft light.Diffused light can be easily obtained by reflecting light from a white surface, while more compact diffusers may use translucent material, including ground glass, teflon, opal glass, and greyed glass.

  3. Water softening - Wikipedia

    en.wikipedia.org/wiki/Water_softening

    A study found the mean concentration of sodium in softened water to be 278 mg/L. [23] In 2 liters of water—the amount of drinking water typically suggested for an average adult, this constitutes about 22% of the recommended sodium intake by the US CDC and may make a difference to those who need to significantly limit their sodium consumption.

  4. Photobleaching - Wikipedia

    en.wikipedia.org/wiki/Photobleaching

    At light intensities used in single-molecule fluorescence imaging (0.1-1 kW/cm 2 in typical experimental setups), even most robust fluorophores continue to emit for up to 10 seconds before photobleaching in a single step. For some dyes, lifetimes can be prolonged 10-100 fold using oxygen scavenging systems (up to 1000 seconds with optimisation ...

  5. Standard illuminant - Wikipedia

    en.wikipedia.org/wiki/Standard_illuminant

    A list of standardized illuminants, their CIE chromaticity coordinates (x,y) of a perfectly reflecting (or transmitting) diffuser, and their correlated color temperatures (CCTs) are given below. The CIE chromaticity coordinates are given for both the 2 degree field of view (1931) and the 10 degree field of view (1964). [29]

  6. Diffuser (sewage) - Wikipedia

    en.wikipedia.org/wiki/Diffuser_(sewage)

    An air diffuser or membrane diffuser is an aeration device typically in the shape of a disc, tube or plate, which is used to transfer air and with that oxygen into the sewage or industrial wastewater. Oxygen is required by microorganisms/bacteria residents in the water to break down the pollutants.

  7. College Football Playoff: Making the national championship ...

    www.aol.com/sports/college-football-playoff...

    The defense is holding opponents to just 4.6 yards a play and opposing offenses have rushed for just 2.7 yards a carry. Only five teams have rushed for more than 100 yards in a game against SMU ...

  8. Mortgage and refinance rates for Dec. 18, 2024: Average ... - AOL

    www.aol.com/finance/mortgage-and-refinance-rates...

    Average mortgage rates edge higher for 30-year and 15-year terms as of Wednesday, December 18, 2024, as the Federal Reserve is set to conclude its final policy session of the year.

  9. Thénardite - Wikipedia

    en.wikipedia.org/wiki/Thénardite

    Thénardite is an anhydrous sodium sulfate mineral, Na 2 SO 4 which occurs in arid evaporite environments, specifically lakes and playas. It also occurs in dry caves and old mine workings as an efflorescence and as a crusty sublimate deposit around fumaroles .

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