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  2. Specific strength - Wikipedia

    en.wikipedia.org/wiki/Specific_strength

    The specific strength is a material's (or muscle's) strength (force per unit area at failure) divided by its density. It is also known as the strength-to-weight ratio or strength/weight ratio or strength-to-mass ratio. In fiber or textile applications, tenacity is the usual measure of specific strength.

  3. French catheter scale - Wikipedia

    en.wikipedia.org/wiki/French_catheter_scale

    The French scale, French gauge or Charrière system is commonly used to measure the size of a catheter.It is most often abbreviated as Fr, but can often be seen abbreviated as Fg, FR or F.

  4. Highest averages method - Wikipedia

    en.wikipedia.org/wiki/Highest_averages_method

    The methods aim to treat voters equally by ensuring legislators represent an equal number of voters by ensuring every party has the same seats-to-votes ratio (or divisor). [3]: 30 Such methods divide the number of votes by the number of votes needed to win a seat. The final apportionment.

  5. Machine taper - Wikipedia

    en.wikipedia.org/wiki/Machine_taper

    The rate of taper is 1:20 on diameter, in other words 0.600" on diameter per foot, .050" on diameter per inch. Tapers range from a Number 2 to a Number 20. The diameter of the big end in inches is always the taper size divided by 8, the small end is always the taper size divided by 10 and the length is the taper size divided by 2.

  6. Rule of 72 - Wikipedia

    en.wikipedia.org/wiki/Rule_of_72

    To estimate the number of periods required to double an original investment, divide the most convenient "rule-quantity" by the expected growth rate, expressed as a percentage. For instance, if you were to invest $100 with compounding interest at a rate of 9% per annum, the rule of 72 gives 72/9 = 8 years required for the investment to be worth ...

  7. WorldRiskReport - Wikipedia

    en.wikipedia.org/wiki/WorldRiskReport

    For illustration and better comparability of the results, all countries are divided into five nearly equal classes using the quintile method. [ 7 ] The primary methodological concept of the index was developed jointly by the United Nations University Institute for Environment and Human Security (UNU-EHS) and Bündnis Entwicklung Hilft and first ...

  8. Astronomical unit - Wikipedia

    en.wikipedia.org/wiki/Astronomical_unit

    [7] [15] [16] Equivalently, by this definition, one au is "the radius of an unperturbed circular Newtonian orbit about the sun of a particle having infinitesimal mass, moving with an angular frequency of 0.017 202 098 95 radians per day "; [17] or alternatively that length for which the heliocentric gravitational constant (the product GM ...

  9. List of primary education systems by country - Wikipedia

    en.wikipedia.org/wiki/List_of_primary_education...

    The renovated primary education curriculum in Vietnam is divided into two phases as follows: Phase 1 includes Grades 1, 2 and 3 with 6 subjects: Vietnamese Language, Mathematics, Morality, Nature and Society, Arts and Physical Education.