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In accordance with No.. 2.19. SanPin 2.6.1.1192-03 "Hygienic requirements for design and operation of X-ray rooms, APPARATUS AND HOLDING X-ray examinations ", dose exposure to personnel groups A and B, and the population should not exceed basic dose limits, established by NRB-99, values ​​are shown in Table:

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In this way, limiting the voltage at the X-ray tube, X-ray tube current and exposure time should not exceed for stationary X-ray units: voltage up to 250 kilovolt (KB), current not exceeding 1 amps (BUT) and exposure time of not more than 5 seconds (with ).

In practice, most stationary X-ray machines, used in veterinary medicine, have: voltage up to 125 kilovolt (KB), current not exceeding 0,32 amps (BUT) and exposure time of not more than 3 seconds (with ).

Advantages of stationary X-ray apparatuses for veterinary:
– the maximum permissible power of X-rays, allows to work with the objects of greatest density;
– performance of X-ray images in high dynamic research facility at the maximum short exposure time;
– Regardless of the quality of foster X-ray device capable of recording even on low-quality X-ray film.

Disadvantages stationary X-ray apparatuses for veterinary:
– the presence of special cabinet, equipped in accordance with the requirements of radiation safety;
– the need for positioning the animal with respect, and the source and the receiver of X-rays;
– power usage, Weight and dimensions.

 

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