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  2. Coalescent theory - Wikipedia

    en.wikipedia.org/wiki/Coalescent_theory

    Coalescent theory is a model of how alleles sampled from a population may have originated from a common ancestor. In the simplest case, coalescent theory assumes no recombination , no natural selection , and no gene flow or population structure , meaning that each variant is equally likely to have been passed from one generation to the next.

  3. Coalescence (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Coalescence_(chemistry)

    In chemistry, coalescence is a process in which two phase domains of the same composition come together and form a larger phase domain. In other words, the process by which two or more separate masses of miscible substances seem to "pull" each other together should they make the slightest contact.

  4. List of reagents - Wikipedia

    en.wikipedia.org/wiki/List_of_reagents

    is an alkaline solution of potassium permanganate; used in organic chemistry as a qualitative test for the presence of unsaturation, such as double bonds; N-Bromosuccinimide: used in radical substitution and electrophilic addition reactions in organic chemistry. Also acts as a mild oxidizer to oxidize benzylic or allylic alcohols.

  5. Multispecies coalescent process - Wikipedia

    en.wikipedia.org/wiki/Multispecies_coalescent...

    Multispecies Coalescent Process is a stochastic process model that describes the genealogical relationships for a sample of DNA sequences taken from several species. [ 1 ] [ 2 ] It represents the application of coalescent theory to the case of multiple species.

  6. Coalescence - Wikipedia

    en.wikipedia.org/wiki/Coalescence

    Coalescence (chemistry), the process by which two or more separate masses of miscible substances seem to "pull" each other together should they make the slightest contact; Coalescence (physics), the merging of two or more droplets, bubbles or particles into one; Coalescer, device which induces coalescence in a medium

  7. List of unsolved problems in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Unsolved Problems in Nanotechnology: Chemical Processing by Self-Assembly - Matthew Tirrell - Departments of Chemical Engineering and Materials, Materials Research Laboratory, California NanoSystems Institute, University of California, Santa Barbara [No doc at link, 20 Aug 2016]

  8. History of molecular theory - Wikipedia

    en.wikipedia.org/wiki/History_of_molecular_theory

    An early precursor to the idea of bonded "combinations of atoms", was the theory of "combination via chemical affinity". For example, in 1718, building on Boyle's conception of combinations of clusters, the French chemist Étienne François Geoffroy developed theories of chemical affinity to explain combinations of particles, reasoning that a ...

  9. Coulson–Fischer theory - Wikipedia

    en.wikipedia.org/wiki/Coulson–Fischer_theory

    In theoretical chemistry and molecular physics, Coulson–Fischer theory provides a quantum mechanical description of the electronic structure of molecules. The 1949 seminal work of Coulson and Fischer [1] established a theory of molecular electronic structure which combines the strengths of the two rival theories which emerged soon after the advent of quantum chemistry - valence bond theory ...

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