Diffusive
91Substitution cipher — In cryptography, a substitution cipher is a method of encryption by which units of plaintext are replaced with ciphertext according to a regular system; the units may be single letters (the most common), pairs of letters, triplets of letters,… …
92Bipolar junction transistor — BJT redirects here. For the Japanese language proficiency test, see Business Japanese Proficiency Test. PNP …
93Péclet number — In fluid dynamics, the Péclet number is a dimensionless number relating the rate of advection of a flow to its rate of diffusion, often thermal diffusion. It is equivalent to the product of the Reynolds number with the Prandtl number in the case… …
94Electoral College (United States) — Electoral votes by state/federal district, for the elections of 2012, 2016 and 2020, with apportionment changes between the 2000 and 2010 Censuses …
95Tactical High Energy Laser — THEL/ACTD The Tactical High Energy Laser, or THEL, is a laser developed for military use, also known as the Nautilus laser system. The mobile version is the Mobile Tactical High Energy Laser, or MTHEL. Contents …
96Middlemarch — For other uses, see Middlemarch (disambiguation). Middlemarch: A Study of Provincial Life   …
97Wetsuit — This article is about the use of wetsuits in a range of water sports. For protective clothing specialized for scuba diving, see Diving suit. For the G.I. Joe character, see Wet Suit (G.I. Joe). Spring suit (shorty) and steamer (full suit) …
98Attractor — For other uses, see Attractor (disambiguation). Visual representation of a strange attractor An attractor is a set towards which a dynamical system evolves over time. That is, points that get close enough to the attractor remain close even if… …
99Fractional calculus — is a branch of mathematical analysis that studies the possibility of taking real number powers of the differential operator ::D = frac{d}{dx} , and the integration operator J . (Usually J is used in favor of I to avoid confusion with other I like …
100Thermodynamic equilibrium — In thermodynamics, a thermodynamic system is said to be in thermodynamic equilibrium when it is in thermal equilibrium, mechanical equilibrium, and chemical equilibrium. The local state of a system at thermodynamic equilibrium is determined by… …
