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  2. Kilogram-force - Wikipedia

    en.wikipedia.org/wiki/Kilogram-force

    The kilogram-force (kgf or kg F), or kilopond (kp, from Latin: pondus, lit. 'weight'), is a non-standard gravitational metric unit of force . It is not accepted for use with the International System of Units (SI) [ 1 ] and is deprecated for most uses.

  3. Kadomtsev–Petviashvili equation - Wikipedia

    en.wikipedia.org/wiki/Kadomtsev–Petviashvili...

    The BBM-KP equation provides an alternative to the usual KP equation, in a similar way that the Benjamin–Bona–Mahony equation is related to the classical Korteweg–de Vries equation, as the linearized dispersion relation of the BBM-KP is a good approximation to that of the KP but does not exhibit the unwanted limiting behavior as the ...

  4. Kip (unit) - Wikipedia

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

    The symbol kp usually stands for the kilopond, a unit of force, or kilogram-force, used primarily in Europe prior to the introduction of SI units. The kip is also the name of a unit of mass equal to approximately 9.19 kilograms. This usage is obsolete, and was used in Malaysia. [2] [3]

  5. Equilibrium constant - Wikipedia

    en.wikipedia.org/wiki/Equilibrium_constant

    The concentration of the species LH is equal to the sum of the concentrations of the two micro-species with the same chemical formula, labelled L 1 H and L 2 H. The constant K 2 is for a reaction with these two micro-species as products, so that [LH] = [L 1 H] + [L 2 H] appears in the numerator, and it follows that this macro-constant is equal ...

  6. Van 't Hoff equation - Wikipedia

    en.wikipedia.org/wiki/Van_'t_Hoff_equation

    The Van 't Hoff equation relates the change in the equilibrium constant, K eq, of a chemical reaction to the change in temperature, T, given the standard enthalpy change, Δ r H ⊖, for the process.

  7. Tau function (integrable systems) - Wikipedia

    en.wikipedia.org/wiki/Tau_function_(integrable...

    A -function of isospectral type is defined as a solution of the Hirota bilinear equations (see § Hirota bilinear residue relation for KP tau functions below), from which the linear operator undergoing isospectral evolution can be uniquely reconstructed.

  8. k·p perturbation theory - Wikipedia

    en.wikipedia.org/wiki/K·p_perturbation_theory

    In solid-state physics, the k·p perturbation theory is an approximated semi-empirical approach for calculating the band structure (particularly effective mass) and optical properties of crystalline solids.

  9. Motor constants - Wikipedia

    en.wikipedia.org/wiki/Motor_constants

    This is exactly the value estimated by the formula stated earlier. EXAMPLE: Torque applied at different diameters , K v (rpm/V) {\displaystyle K_{\text{v (rpm/V)}}} = 3600 rpm/V ≈ 377 rad/s/V , K T {\displaystyle K_{\text{T}}} ≈ 0.00265 N.m/A (each calculatable if one is known) , V = 2 v, I a {\displaystyle I_{\text{a}}} = 2 A, P = 4 W ...