What does pet store CR mean?

CR(Computed radiography), also known as indirect digital X-ray imaging technology, is mainly based on storage phosphors. It uses an imaging plate composed of phosphorescent crystals, that is, an IP plate, to absorb X-ray information, form a latent image through exposure, and then scan and convert the digitized signal into a computer system for image processing. LP plate looks like 1 ordinary intensifying screen, which is composed of substrate and phosphor material, plus a layer of protection, and then put into a cassette for protection, so it can be shot with it like an ordinary X-ray cassette. The lP board stores the X-ray image information after X-ray exposure in the crystal, and then sends the lP board to the card reader to read the X-ray image information and send it to the computer system. After the image information is read out and displayed on the display, the information stored on the 1P board disappears automatically, and the imaging board can be reused. Advantages: The exposure dose of (1)CR is smaller than that of conventional X-ray photography; (2) The requirements of photographic conditions are lower than those of film, and there is almost no "waste film"; (3) When CR is adopted, the X-ray equipment does not need to be greatly changed, and the shooting process is unchanged from the original X-ray film photography; (4) Image post-processing function can improve the accuracy and range of image diagnosis; (4)