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In monetary economics, the equation of exchange is the relation: where, for a given period, M {\displaystyle M\,} is the total money supply in circulation on average in an economy. V {\displaystyle V\,} is the velocity of money, that is the average frequency with which a unit of money is spent. P {\displaystyle P\,} is the price level.
The latter symbol further evolved into ∞, then ⋈, and eventually changed to M under the influence of the Latin word mille "thousand". [48] According to Paul Kayser, the basic numerical symbols were I, X, 𐌟 and Φ (or ⊕) and the intermediate ones were derived by taking half of those (half an X is V, half a 𐌟 is ↆ and half a Φ/⊕ ...
In solutions, mass concentration is commonly encountered as the ratio of mass/ [volume solution], or m/v. In water solutions containing relatively small quantities of dissolved solute (as in biology), such figures may be "percentivized" by multiplying by 100 a ratio of grams solute per mL solution. The result is given as "mass/volume percentage".
Vanadium is a chemical element; it has symbol V and atomic number 23. It is a hard, silvery-grey, malleable transition metal. The elemental metal is rarely found in nature, but once isolated artificially, the formation of an oxide layer (passivation) somewhat stabilizes the free metal against further oxidation.
Density (volumetric mass density or specific mass) is a substance's mass per unit of volume. The symbol most often used for density is ρ (the lower case Greek letter rho), although the Latin letter D can also be used. Mathematically, density is defined as mass divided by volume: [1] where ρ is the density, m is the mass, and V is the volume.
Verification and validation. Verification and validation (also abbreviated as V&V) are independent procedures that are used together for checking that a product, service, or system meets requirements and specifications and that it fulfills its intended purpose. [1] These are critical components of a quality management system such as ISO 9000.
Molar volume. In chemistry and related fields, the molar volume, symbol Vm, [1] or of a substance is the ratio of the volume (V) occupied by a substance to the amount of substance (n), usually at a given temperature and pressure. It is also equal to the molar mass (M) divided by the mass density (ρ): The molar volume has the SI unit of cubic ...
The term BDSM is a portmanteau of initialisms intended to encompass all of the following activities: Bondage and discipline (B & D or B/D) Dominance and submission (D & S or D/s) (including "master and slave" role-playing scenarios and ongoing relationship structures) Sadism and masochism (S & M or S/M)