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The Boltzmann constant (k B or k) is the proportionality factor that relates the average relative thermal energy of particles in a gas with the thermodynamic temperature of the gas. [2] It occurs in the definitions of the kelvin (K) and the gas constant , in Planck's law of black-body radiation and Boltzmann's entropy formula , and is used in ...
The internationally recommended unit symbol for the kilobyte is kB. [ 1 ] In some areas of information technology , particularly in reference to random-access memory capacity, kilobyte instead typically refers to 1024 (2 10 ) bytes.
The binding constant, or affinity constant/association constant, is a special case of the equilibrium constant K, [1] and is the inverse of the dissociation constant. [2] It is associated with the binding and unbinding reaction of receptor (R) and ligand (L) molecules, which is formalized as: R + L ⇌ RL
The use of SI prefixes, and the use of "K" instead of "k" remained popular in computer-related publications well into the 21st century, although the ambiguity persisted. The correct meaning was often clear from the context; for instance, in a binary-addressed computer, the true memory size had to be either a power of 2, or a small integer ...
In statistical thermodynamics, thermodynamic beta, also known as coldness, [1] is the reciprocal of the thermodynamic temperature of a system: = (where T is the temperature and k B is Boltzmann constant).
kT (also written as k B T) is the product of the Boltzmann constant, k (or k B), and the temperature, T.This product is used in physics as a scale factor for energy values in molecular-scale systems (sometimes it is used as a unit of energy), as the rates and frequencies of many processes and phenomena depend not on their energy alone, but on the ratio of that energy and kT, that is, on E ...
can be used for selecting the size of a motor to use in an application. K v {\displaystyle K_{\text{v}}} can be used for selecting the winding to use in the motor. Since the torque τ {\displaystyle \tau } is current I {\displaystyle I} multiplied by K T {\displaystyle K_{\text{T}}} then K M {\displaystyle K_{\text{M}}} becomes
K a, an acid dissociation constant; K a band, a microwave band; K a, the absorption rate constant of a drug; K a, number of non-synonymous substitutions at a DNA site, used in K a /K s ratio; Ka tree, Terminalia carolinensis; kiloannum or kiloannus (ka), a unit of time equal to one thousand (10 3) years; Keepalive, a computer network message