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  2. Detailed balance - Wikipedia

    en.wikipedia.org/wiki/Detailed_balance

    A Markov process is called a reversible Markov process or reversible Markov chain if there exists a positive stationary distribution π that satisfies the detailed balance equations [12] =, where P ij is the Markov transition probability from state i to state j, i.e. P ij = P(X t = j | X t − 1 = i), and π i and π j are the equilibrium probabilities of being in states i and j, respectively ...

  3. The Great Gatsby - Wikipedia

    en.wikipedia.org/wiki/The_Great_Gatsby

    The Great Gatsby is a 1925 novel by American writer F. Scott Fitzgerald.Set in the Jazz Age on Long Island, near New York City, the novel depicts first-person narrator Nick Carraway's interactions with Jay Gatsby, the mysterious millionaire with an obsession to reunite with his former lover, Daisy Buchanan.

  4. Jay Gatsby - Wikipedia

    en.wikipedia.org/wiki/Jay_Gatsby

    Jay Gatsby (originally named James Gatz) is the titular fictional character of F. Scott Fitzgerald's 1925 novel The Great Gatsby.The character is an enigmatic nouveau riche millionaire who lives in a luxurious mansion on Long Island where he often hosts extravagant parties and who allegedly gained his fortune by illicit bootlegging during prohibition in the United States. [5]

  5. Chemistry - Wikipedia

    en.wikipedia.org/wiki/Chemistry

    Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.

  6. Chemical bond - Wikipedia

    en.wikipedia.org/wiki/Chemical_bond

    Bonded nuclei maintain an optimal distance (the bond distance) balancing attractive and repulsive effects explained quantitatively by quantum theory. [2] [3] The atoms in molecules, crystals, metals and other forms of matter are held together by chemical bonds, which determine the structure and properties of matter.

  7. Population balance equation - Wikipedia

    en.wikipedia.org/wiki/Population_balance_equation

    Consider the average number of particles with particle properties denoted by a particle state vector (x,r) (where x corresponds to particle properties like size, density, etc. also known as internal coordinates and, r corresponds to spatial position or external coordinates) dispersed in a continuous phase defined by a phase vector Y(r,t) (which again is a function of all such vectors which ...

  8. Close-packing of equal spheres - Wikipedia

    en.wikipedia.org/wiki/Close-packing_of_equal_spheres

    Using the plane described precisely above as plane #1, the A plane, place a sphere on top of this plane so that it lies touching three spheres in the A-plane. The three spheres are all already touching each other, forming an equilateral triangle, and since they all touch the new sphere, the four centers form a regular tetrahedron. [7]

  9. Packed bed - Wikipedia

    en.wikipedia.org/wiki/Packed_bed

    A packed bed used to perform separation processes, such as absorption, stripping, and distillation is known as a packed column. [1] Columns used in certain types of chromatography consisting of a tube filled with packing material can also be called packed columns and their structure has similarities to packed beds.