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  2. Useful conversions and formulas for air dispersion modeling

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

    Atmospheric pollutant concentrations expressed as mass per unit volume of atmospheric air (e.g., mg/m 3, μg/m 3, etc.) at sea level will decrease with increasing altitude because the atmospheric pressure decreases with increasing altitude. The change of atmospheric pressure with altitude can be obtained from this equation: [2]

  3. Meteoprog.com - Wikipedia

    en.wikipedia.org/wiki/Meteoprog.com

    Meteoprog.com is a weather service originally from Ukraine, since 2003. [ 1 ] [ 2 ] The service uses various weather real-time data and software tools to address weather-related challenges.

  4. Template:Convert/list of units/force - Wikipedia

    en.wikipedia.org/wiki/Template:Convert/list_of...

    1.0 mdyn (1.6 × 10 −5 gr f) Metric gravitational units: tonne-force: t-f t f: 1.0 t f (9.8 kN; 0.98 LT f; 1.1 ST f) tf tf megapond: Mp Mp kilogram-force: kg-f kg f: 1.0 kg f (9.8 N; 2.2 lb f) kgf kgf kilopond: kp kp gram-force: g-f g f: 1.0 g f (9.8 mN; 0.035 oz f) gf gf pond: p p milligram-force: mg-f mg f: 1.0 mg f (9.8 μN; 0.015 gr f ...

  5. Historical Russian units of measurement - Wikipedia

    en.wikipedia.org/wiki/Historical_Russian_units...

    1 62.210 mg 0.96004 gr 1.4 dolya: scrupul: скрупул: scruple 20 1.2442 g 19.201 gr 28 dolya: drahma: драхма: dram 60 3.7326 g 57.602 gr 7 ⁄ 8 zolotnik: unciya: унция: ounce 480 29.861 g 1.0533 oz or 460.82 gr 7 zolotnik: funt: фунт: pound 5760 358.328 g 12.640 oz or 5529.8 gr 84 zolotnik

  6. Orders of magnitude (mass) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(mass)

    101 g dg decigram 10 1 g dag decagram 10 −2 g cg: centigram: 10 2 g hg hectogram 103 g mg: milligram: 10 3 g kg: kilogram: 10 −6 g μg: microgram (mcg) 10 6 g Mg megagram 10 −9 g ng: nanogram: 10 9 g Gg gigagram 10 −12 g pg picogram 10 12 g Tg teragram 10 −15 g fg femtogram 10 15 g Pg petagram 10 −18 g ag attogram 10 18 g Eg ...

  7. gc (engineering) - Wikipedia

    en.wikipedia.org/wiki/Gc_(engineering)

    In unit systems where force is a derived unit, like in SI units, g c is equal to 1. In unit systems where force is a primary unit, like in imperial and US customary measurement systems , g c may or may not equal 1 depending on the units used, and value other than 1 may be required to obtain correct results. [ 2 ]

  8. Gauss (unit) - Wikipedia

    en.wikipedia.org/wiki/Gauss_(unit)

    The conversion factor is 10 8 maxwell per weber, since flux is the integral of field over an area, area having the units of the square of distance, thus 10 4 G/T (magnetic field conversion factor) times the square of 10 2 cm/m (linear distance conversion factor). 10 8 Mx/Wb = 10 4 G/T × (10 2 cm/m) 2.

  9. Grammage - Wikipedia

    en.wikipedia.org/wiki/Grammage

    For example, a 500-sheet ream of 20# 8 + 1 ⁄ 2-by-11-inch (216 by 279 mm) copy paper may be specified "10 M". 1000 cut sheets (or two reams) will weigh 10 lb (4.5 kg), half of the four reams of cut paper resulting from the 20# basis ream of 17-by-22-inch (432 by 559 mm) paper.