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  2. Ultraviolet index - Wikipedia

    en.wikipedia.org/wiki/Ultraviolet_index

    Sunburn effect (as measured by the UV index) is the product of the sunlight power spectrum (radiation intensity) and the erythemal action spectrum (skin sensitivity) across the range of UV wavelengths. [9] [10] The UV index is a number linearly related to the intensity of sunburn-producing UV radiation at a given point on the Earth's surface.

  3. Park Ridge, Queensland - Wikipedia

    en.wikipedia.org/wiki/Park_Ridge,_Queensland

    Park Ridge State High School is a government secondary (7–12) school for boys and girls at 14–30 Lancewood Street [ 12 ] [ 17 ] In 2017, the school had an enrolment of 1176 students with 98 teachers (96 full-time equivalent) and 60 non-teaching staff (41 full-time equivalent). [ 14 ]

  4. List of refractive indices - Wikipedia

    en.wikipedia.org/wiki/List_of_refractive_indices

    Standard refractive index measurements are taken at the "yellow doublet" sodium D line, with a wavelength (λ) of 589 nanometers. There are also weaker dependencies on temperature , pressure / stress , etc., as well on precise material compositions (presence of dopants , etc.); for many materials and typical conditions, however, these ...

  5. Park Ridge South, Queensland - Wikipedia

    en.wikipedia.org/wiki/Park_Ridge_South,_Queensland

    In the 2011 census, Park Ridge South recorded a population of 1,778 people, 49% female and 51% male. [6] The median age of the Park Ridge South population was 40 years, 3 years above the national median of 37. [6] 73.8% of people living in Park Ridge South were born in Australia. The other top responses for country of birth were England 6.2% ...

  6. Park Ridge, Illinois - Wikipedia

    en.wikipedia.org/wiki/Park_Ridge,_Illinois

    Park Ridge is a city in Cook County, Illinois, United States, and a suburb of Chicago. Per the 2020 census , the population was 39,656. [ 3 ] It is located 15 miles (24 km) north of downtown Chicago.

  7. Ralph Snyderman - Pay Pals - The Huffington Post

    data.huffingtonpost.com/paypals/ralph-snyderman

    The Ralph Snyderman Stock Index From January 2008 to April 2010, if you bought shares in companies when Ralph Snyderman joined the board, and sold them when he left, you would have a -14.1 percent return on your investment, compared to a -18.4 percent return from the S&P 500.

  8. Park Ridge-Niles School District 64 - Wikipedia

    en.wikipedia.org/wiki/Park_Ridge-Niles_School...

    With school district renumbering from township-wide to county-wide in 1901, Park Ridge's School District 2 became School District 64. [ 10 ] : 104 In 1902 the district had a population of 2,112 people [ 10 ] : 21 In the 1901–1902 school year, one principal oversaw 11 other teachers, [ 10 ] : 104 but for the Autumn 1902 semester, a ...

  9. Park Ridge High School - Wikipedia

    en.wikipedia.org/wiki/Park_Ridge_High_School

    Park Ridge High School is a six-year comprehensive community public high school with an integrated two-year middle school located in the borough of Park Ridge in Bergen County, in the U.S. state of New Jersey, serving students in seventh through twelfth grades as the lone secondary school of the Park Ridge Public Schools.