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  2. Poole–Frenkel effect - Wikipedia

    en.wikipedia.org/wiki/Poole–Frenkel_effect

    Among the others, Simmons has proposed an alternative to the classical model with shallow neutral traps and deep donors, capable to exhibit a bulk-limited conduction with a Schottky electric field dependence, even in presence of a Poole–Frenkel conduction mechanism, thus explaining the "anomalous Poole–Frenkel effect" revealed by Ta 2 O 5 ...

  3. Busicom - Wikipedia

    en.wikipedia.org/wiki/Busicom

    Their first calculator with a microprocessor is the Busicom 141-PF. Their entry based calculators, the Busicom LE-120A (Handy-LE) and LE-120S (Handy) , [ 6 ] were the first to fit in a pocket and also the first calculators to use an LED display.

  4. E series of preferred numbers - Wikipedia

    en.wikipedia.org/wiki/E_series_of_preferred_numbers

    The formula for each value is determined by the m-th root, but unfortunately the calculated values don't match the official values of all E series. = where: is rounded to 2 significant figures (E3, E6, E12, E24) or 3 significant figures (E48, E96, E192),

  5. Principal quantum number - Wikipedia

    en.wikipedia.org/wiki/Principal_quantum_number

    Accounting for two states of spin, each n-shell can accommodate up to 2n 2 electrons. In a simplistic one-electron model described below, the total energy of an electron is a negative inverse quadratic function of the principal quantum number n , leading to degenerate energy levels for each n > 1. [ 1 ]

  6. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. Exponentiation - Wikipedia

    en.wikipedia.org/wiki/Exponentiation

    Powers of 2 appear in set theory, since a set with n members has a power set, the set of all of its subsets, which has 2 n members. Integer powers of 2 are important in computer science. The positive integer powers 2 n give the number of possible values for an n-bit integer binary number; for example, a byte may take 2 8 = 256 different values.

  8. Partition function (quantum field theory) - Wikipedia

    en.wikipedia.org/wiki/Partition_function...

    In quantum field theory, partition functions are generating functionals for correlation functions, making them key objects of study in the path integral formalism.They are the imaginary time versions of statistical mechanics partition functions, giving rise to a close connection between these two areas of physics.

  9. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

    www.aol.com/vitamins-expire-nutritionists-weigh...

    It’s like stale chips or flat soda… not dangerous, just not as good,” says Dawn Jackson Blatner, R.D.N., registered dietitian and author of The Superfood Swap. Still, it’s important to ...