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  2. Belousov–Zhabotinsky reaction - Wikipedia

    en.wikipedia.org/wiki/Belousov–Zhabotinsky...

    Belousov–Zhabotinsky reaction. A Belousov–Zhabotinsky reaction, or BZ reaction, is one of a class of reactions that serve as a classical example of non-equilibrium thermodynamics, resulting in the establishment of a nonlinear chemical oscillator. The only common element in these oscillators is the inclusion of bromine and an acid.

  3. Computer virus - Wikipedia

    en.wikipedia.org/wiki/Computer_virus

    Virus phases is the life cycle of the computer virus, described by using an analogy to biology. This life cycle can be divided into four phases: Dormant phase The virus program is idle during this stage. The virus program has managed to access the target user's computer or software, but during this stage, the virus does not take any action.

  4. Circle of fifths - Wikipedia

    en.wikipedia.org/wiki/Circle_of_fifths

    Circle of fifths showing major and minor keys. In music theory, the circle of fifths (sometimes also cycle of fifths) is a way of organizing pitches as a sequence of perfect fifths. Starting on a C, and using the standard system of tuning for Western music (12-tone equal temperament), the sequence is: C, G, D, A, E, B, F ♯ /G ♭, C ♯ /D ...

  5. Environmental isotopes - Wikipedia

    en.wikipedia.org/wiki/Environmental_isotopes

    Environmental isotopes. The environmental isotopes are a subset of isotopes, both stable and radioactive, which are the object of isotope geochemistry. They are primarily used as tracers to see how things move around within the ocean-atmosphere system, within terrestrial biomes, within the Earth's surface, and between these broad domains.

  6. Six Sigma - Wikipedia

    en.wikipedia.org/wiki/Six_Sigma

    e. Six Sigma (6σ) is a set of techniques and tools for process improvement. It was introduced by American engineer Bill Smith while working at Motorola in 1986. [1][2] Six Sigma strategies seek to improve manufacturing quality by identifying and removing the causes of defects and minimizing variability in manufacturing and business processes.

  7. 5G - Wikipedia

    en.wikipedia.org/wiki/5G

    An Android phone, showing that it is connected to a 5G network. In telecommunications, 5G is the fifth-generation technology standard for cellular networks, which cellular phone companies began deploying worldwide in 2019, and is the successor to 4G technology that provides connectivity to most current mobile phones.

  8. Enterprise life cycle - Wikipedia

    en.wikipedia.org/wiki/Enterprise_life_cycle

    The enterprise life cycle is a key concept in enterprise architecture (EA), enterprise engineering [2] and systems engineering. [3] The Enterprise Architecture process is closely related to similar processes, as program management cycle or systems development life cycle, and has similar properties to those found in the product life cycle.

  9. Miller–Urey experiment - Wikipedia

    en.wikipedia.org/wiki/Miller–Urey_experiment

    The Miller–Urey experiment was a synthesis of small organic molecules in a mixture of simple gases in a thermal gradient created by heating (right) and cooling (left) the mixture at the same time, with electrical discharges. The Miller–Urey experiment[1] (or Miller experiment[2]) was an experiment in chemical synthesis carried out in 1952 ...