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  2. Fahrenheit - Wikipedia

    en.wikipedia.org/wiki/Fahrenheit

    c °C to f °F: f = c × 1.8 + 32; f °F to k K: k = ⁠ f + 459.67 / 1.8 ⁠ k K to f °F: f = k × 1.8 − 459.67; There is also an exact conversion between Celsius and Fahrenheit scales making use of the correspondence −40 °F ≘ −40 °C. Again, f is the numeric value in degrees Fahrenheit, and c the numeric value in degrees Celsius:

  3. Fahrenheit 451 - Wikipedia

    en.wikipedia.org/wiki/Fahrenheit_451

    On inquiring about the temperature at which paper would catch fire, Bradbury had been told that 451 °F (233 °C) was the autoignition temperature of paper. [30] [31] In various studies, scientists have placed the autoignition temperature at a range of temperatures between 424 and 475 °F (218 and 246 °C), depending on the type of paper. [32] [33]

  4. Title 45 of the Code of Federal Regulations - Wikipedia

    en.wikipedia.org/wiki/Title_45_of_the_Code_of...

    CFR Title 45 - Public Welfare is one of fifty titles comprising the United States Code of Federal Regulations (CFR). Title 45 is the principal set of rules and regulations issued by federal agencies of the United States regarding public welfare. Section 46 regards the protection of human subjects.

  5. List of weather records - Wikipedia

    en.wikipedia.org/wiki/List_of_weather_records

    Highest dew point temperature: A dew point of 35 °C (95 °F) — while the temperature was 42 °C (108 °F) — was observed at Dhahran, Saudi Arabia, at 3:00 p.m. on 8 July 2003. [ 202 ] Highest heat index : In the observation above at Dhahran, Saudi Arabia, the heat index ("feels like" temperature) was 81.1 °C (178.0 °F).

  6. Code of Federal Regulations - Wikipedia

    en.wikipedia.org/wiki/Code_of_Federal_Regulations

    For example, 42 C.F.R. § 260.11(a)(1) would indicate "title 42, part 260, section 11, paragraph (a)(1)." Conversationally, it would be read as "forty-two C F R two-sixty point eleven a one" or similar. While new regulations are continually becoming effective, the printed volumes of the CFR are issued once each calendar year, on this schedule:

  7. .45 ACP - Wikipedia

    en.wikipedia.org/wiki/.45_ACP

    The .45 ACP (Automatic Colt Pistol), also known as .45 Auto, .45 Automatic, or 11.43×23mm [1] is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol. After successful military trials, it was adopted as the standard chambering for Colt's M1911 pistol. [2]

  8. Degree of frost - Wikipedia

    en.wikipedia.org/wiki/Degree_of_frost

    "Degree" in this case can refer to degree Celsius or degree Fahrenheit. When based on Celsius, 0 degrees of frost is the same as 0 °C, and any other value is simply the negative of the Celsius temperature. When based on Fahrenheit, 0 degrees of frost is equal to 32 °F. Conversion formulas: T [degrees of frost] = 32 °F − T [°F]

  9. Degree (temperature) - Wikipedia

    en.wikipedia.org/wiki/Degree_(temperature)

    CelsiusC) FahrenheitF) Rankine (°R or °Ra), which uses the Fahrenheit scale, adjusted so that 0 degrees Rankine is equal to absolute zero. Unlike the degree Fahrenheit and degree Celsius, the kelvin is no longer referred to or written as a degree (but was before 1967 [1] [2] [3]). The kelvin is the primary unit of temperature ...