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  2. Analog models of gravity - Wikipedia

    en.wikipedia.org/wiki/Analog_models_of_gravity

    These analogs (or analogies) serve to provide new ways of looking at problems, permit ideas from other realms of science to be applied, and may create opportunities for practical experiments within the analog that can be applied back to the source phenomena.

  3. Isolobal principle - Wikipedia

    en.wikipedia.org/wiki/Isolobal_principle

    Figure 1: Basic example of the isolobal analogy. For his work on the isolobal analogy, Hoffmann was awarded the Nobel Prize in Chemistry in 1981, which he shared with Kenichi Fukui. [3] In his Nobel Prize lecture, Hoffmann stressed that the isolobal analogy is a useful, yet simple, model and thus is bound to fail in certain instances. [1]

  4. Structural analog - Wikipedia

    en.wikipedia.org/wiki/Structural_analog

    Derivative (chemistry) Federal Analogue Act, a United States bill banning chemical analogues of illegal drugs; Functional analog, compounds with similar physical, chemical, biochemical, or pharmacological properties; Homolog, a compound of a series differing only by repeated units; Transition state analog

  5. Analogical models - Wikipedia

    en.wikipedia.org/wiki/Analogical_models

    A simple type of analogy is one that is based on shared properties; [1] [2] and analogizing is the process of representing information about a particular subject (the analogue or source system) by another particular subject (the target system), [3] in order "to illustrate some particular aspect (or clarify selected attributes) of the primary domain".

  6. Miller Analogies Test - Wikipedia

    en.wikipedia.org/wiki/Miller_Analogies_Test

    The Miller Analogies Test (MAT) was a standardized test used both for graduate school admissions in the United States and entrance to high I.Q. societies. Created and published by Harcourt Assessment (now a division of Pearson Education ), the MAT consisted of 120 questions in 60 minutes (an earlier iteration was 100 questions in 50 minutes).

  7. Chilton and Colburn J-factor analogy - Wikipedia

    en.wikipedia.org/wiki/Chilton_and_Colburn_J...

    Chilton–Colburn J-factor analogy (also known as the modified Reynolds analogy [1]) is a successful and widely used analogy between heat, momentum, and mass transfer.The basic mechanisms and mathematics of heat, mass, and momentum transport are essentially the same.

  8. Space-filling model - Wikipedia

    en.wikipedia.org/wiki/Space-filling_model

    A space-filling model of n-octane, the straight chain (normal) hydrocarbon composed of 8 carbons and 18 hydrogens, formulae: CH 3 CH 2 (CH 2) 4 CH 2 CH 3 or C 8 H 18.Note, the representative shown is of a single conformational "pose" of a population of molecules, which, because of low Gibbs energy barriers to rotation about its carbon-carbon bonds (giving the carbon "chain" great flexibility ...

  9. Scientific theory - Wikipedia

    en.wikipedia.org/wiki/Scientific_theory

    Michael Polanyi made an analogy between a theory and a map: A theory is something other than myself. It may be set out on paper as a system of rules, and it is the more truly a theory the more completely it can be put down in such terms. Mathematical theory reaches the highest perfection in this respect.