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单词 regulator
释义
regulator

Chemical Engineering
  • 1. A device such as a valve used to control the flow of fluid, pressure, temperature, voltage, etc. in a process.

    2. A person or organization that has responsibility for regulating the activities of an industry such as the release of emissions into the atmosphere.

    3. A gene within the DNA of living organisms responsible for controlling the synthesis of a product from another gene. See recombinant dna technology.


Electronics and Electrical Engineering
  • An electronic device that is used to maintain the voltage (voltage regulator) or current (current regulator) constant at a given point in a circuit or to vary it in a controlled manner. Regulators are used to control the output of a load or to regulate the voltage or current of an electronic device, despite fluctuations in the circuit conditions, particularly variations in the supply voltage.


Biology
  • Any organism that can maintain a constant internal environment largely independently of the external environment. This is generally achieved by homeostatic mechanisms (see homeostasis). Regulators tend to occupy habitats in which environmental conditions are variable.


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