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  • Anode thermal capacity

    The anode section of the x-ray tube possesses the quantitative capacity to store and endure substantial levels of heat.  

  • Anode cooling curve chart

    A heat dissipation chart is included with each tube, which specifies the rate at which heat is dispersed in terms of minutes. Before conducting a series of quick exposures, it is essential to refer to this chart.  

  • Annihilation

    During the process of pair production, a positron and a negatron are generated, both possessing an energy equivalent to 0.51 MeV. This event takes place when the photon energy reaches 1.02 MeV.  

  • Ct analog

    The representation of numerical quantities through physical variables, such as translation, rotation, voltage, and resistance, is known as analog representation. In the context of CT (computed tomography) technology, the electrical analog output of the detector maintains a proportional relationship with the strength of the x-ray beam.  

  • Electrical amplitude

    The peak-to-peak amplitude represents the measurement of the full range from the highest crest to the lowest valley over which a sine wave or any other wave varies.  

  • Amphoteric material

    Amphoteric refers to the ability of a substance to exhibit chemical reactivity as either an acid or a base, depending on the prevailing pH conditions. In the context of film emulsion gelatin, it is considered an amphoteric material, capable of reacting as an acid or a base depending on the pH environment.  

  • Aluminum equivalent

    The thickness of aluminum that provides equivalent attenuation, based on specific conditions, as the material being considered.  

  • Alternation

    A single period of alternating current, wherein one complete alternation occurs within a duration of 1/120 second. This unit of time is also known as an impulse or pulsation.  

  • Alternating voltage

    Voltages that exhibit a constant fluctuation in magnitude and periodically reverse their direction at regular intervals. They are commonly referred to as alternating current (a-c) voltages.        

  • Alpha decay

    The process of radioactive decay that takes place when a nuclide emits an alpha particle. As a result, a new nuclide is formed, with a mass number that is four units smaller and an atomic number that is two units smaller than the original nuclide.  

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