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  2. Metronome - Wikipedia

    en.wikipedia.org/wiki/Metronome

    Metronome. A wind-up mechanical metronome, Nikko model, clicking at 96 BPM. A metronome (from Greek μέτρον (métron) 'measure' and νομός (nomós) 'law') is a device that produces an audible click or other sound at a uniform interval that can be set by the user, typically in beats per minute (BPM). Metronomes may also include ...

  3. Microtome - Wikipedia

    en.wikipedia.org/wiki/Microtome

    Microtome. A microtome (from the Greek mikros, meaning "small", and temnein, meaning "to cut") is a cutting tool used to produce extremely thin slices of material known as sections, with the process being termed microsectioning. Important in science, microtomes are used in microscopy for the preparation of samples for observation under ...

  4. PHP - Wikipedia

    en.wikipedia.org/wiki/PHP

    PHP has a direct module interface called SAPI for different web servers; [272] in case of PHP 5 and Apache 2.0 on Windows, it is provided in form of a DLL file called php5apache2.dll, [273] which is a module that, among other functions, provides an interface between PHP and the web server, implemented in a form that the server understands. This ...

  5. PHP syntax and semantics - Wikipedia

    en.wikipedia.org/wiki/PHP_syntax_and_semantics

    PHP has hundreds of base functions and thousands more from extensions. Prior to PHP version 5.3.0, functions are not first-class functions and can only be referenced by their name, whereas PHP 5.3.0 introduces closures. User-defined functions can be created at any time and without being prototyped.

  6. Activation function - Wikipedia

    en.wikipedia.org/wiki/Activation_function

    Machine learningand data mining. The activation function of a node in an artificial neural network is a function that calculates the output of the node based on its individual inputs and their weights. Nontrivial problems can be solved using only a few nodes if the activation function is nonlinear. [ 1]

  7. Cryostat - Wikipedia

    en.wikipedia.org/wiki/Cryostat

    A cryostat (from cryo meaning cold and stat meaning stable) is a device used to maintain low cryogenic temperatures of samples or devices mounted within the cryostat. Low temperatures may be maintained within a cryostat by using various refrigeration methods, most commonly using cryogenic fluid bath such as liquid helium. [ 1]

  8. Bioecological model - Wikipedia

    en.wikipedia.org/wiki/Bioecological_model

    The bioecological model of development is the mature and final revision of Urie Bronfenbrenner's ecological system theory. The primary focus of ecological systems theory is on the systemic examination of contextual variability in development processes. It focuses on the world outside the developing person and how they were affected by it.

  9. Monotonic function - Wikipedia

    en.wikipedia.org/wiki/Monotonic_function

    In calculus, a function defined on a subset of the real numbers with real values is called monotonic if it is either entirely non-decreasing, or entirely non-increasing. [ 2] That is, as per Fig. 1, a function that increases monotonically does not exclusively have to increase, it simply must not decrease. A function is termed monotonically ...