“excitation”的概念、定义、翻译、参考文献-科学参考

单词	excitation
释义	excitation [´ek´sī`tā·shǝn] ^{ATOMIC PHYSICS} A process in which an atom or molecule gains energy from electromagnetic radiation or by collision, raising it to an excited state. ^{CONTROL SYSTEMS} The application of energy to one portion of a system or apparatus in a manner that enables another portion to carry out a specialized function; a generalization of the electricity and electronics definitions. ^ELECTRICITY The application of voltage to field coils to produce a magnetic field, as required for the operation of an excited-field loudspeaker or a generator. ^ELECTRONICS 1. The signal voltage that is applied to the control electrode of an electron tube. Also known as drive. 2. Application of signal power to a transmitting antenna. ^{QUANTUM MECHANICS} The addition of energy to a particle or system of particles at ground state to produce an excited state.
随便看	cyclic permutation cyclic redundancy check cyclic salt cyclic sedimentation cyclic shift cyclic storage cyclic testing cyclic train cyclic transfer cyclic twinning cyclic voltammetry cyclindroid cycling cyclitis cyclitol cyclization chromosome walking chromosphere chromospheric network chromotropic acid chromyl chloride chron chronaxie chronic chronic alcoholism

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