When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Parts-per notation - Wikipedia

    en.wikipedia.org/wiki/Parts-per_notation

    One part per hundred thousand, per cent mille (pcm) or milli-percent denotes one part per 100,000 (10 5) parts, and a value of 10 −5. It is commonly used in epidemiology for mortality, crime and disease prevalence rates, and nuclear reactor engineering as a unit of reactivity.

  3. Per mille - Wikipedia

    en.wikipedia.org/wiki/Per_mille

    The word promille is the cognate in Dutch, German, Finnish and Swedish, and is sometimes seen as a loanword in English with the same meaning as per mille. [7] [4] The symbol is included in the General Punctuation block of Unicode at U+2030 ‰ PER MILLE SIGN. [5] There is also an Arabic-Indic per mille sign at U+0609 ؉ ARABIC-INDIC PER MILLE SIGN.

  4. Saline water - Wikipedia

    en.wikipedia.org/wiki/Saline_water

    The salt concentration is usually expressed in parts per thousand (permille, ... The salt concentration in slightly saline water is 1,000 to 3,000 ppm (0.1–0.3% ...

  5. Air pollutant concentrations - Wikipedia

    en.wikipedia.org/wiki/Air_pollutant_concentrations

    1 volume percent = 10,000 ppmv (i.e., parts per million by volume) with a million being defined as 10 6. Care must be taken with the concentrations expressed as ppbv to differentiate between the British billion which is 10 12 and the USA billion which is 10 9 (also referred to as the long scale and short scale billion, respectively).

  6. Useful conversions and formulas for air dispersion modeling

    en.wikipedia.org/wiki/Useful_conversions_and...

    Although ppmv and grains per dscf have been used in the above examples, concentrations such as ppbv (i.e., parts per billion by volume), volume percent, grams per dscm and many others may also be used. 1 percent by volume = 10,000 ppmv (i.e., parts per million by volume).

  7. The US is in a steep decline of food enjoyment — which has ...

    www.aol.com/both-healthy-enjoyable-eating...

    The number of adults eating in a way they consider to be healthy has fallen, according to new data. What’s more, research shows they aren’t enjoying the food either.

  8. Abundance of elements in Earth's crust - Wikipedia

    en.wikipedia.org/wiki/Abundance_of_elements_in...

    The abundance of elements in Earth's crust is shown in tabulated form with the estimated crustal abundance for each chemical element shown as mg/kg, or parts per million (ppm) by mass (10,000 ppm = 1%).

  9. What’s the history of the Panama Canal, and why is Trump ...

    www.aol.com/news/history-panama-canal-why-trump...

    President-elect Donald Trump is not letting up on his suggestions that the US should retake the Panama Canal, an idea that has been rejected by the government of Panama, which has controlled the ...