High-density tungsten alloy nuclear magnetic resonance (NMR) imaging calibration piece is a calibration equipment used in nuclear magnetic resonance imaging systems. It is usually made of high-density tungsten alloy material with high density and uniformity, and can be used to calibrate the accuracy and stability of the MRI system.
Magnetic resonance imaging is a medical imaging technology based on the magnetic moment of atomic nuclei, which can be used to detect the internal structure and function of the human body. In an MRI system, magnetic fields and radiofrequency pulses are used to excite hydrogen nuclei in the body and measure their resonance signals. Because hydrogen atomic distribution and magnetic moments differ in different regions of human tissue, precise calibration is required to determine correct image contrast and resolution.
High-density tungsten alloy nuclear magnetic resonance (NMR) imaging calibration parts are usually made of high-density tungsten alloy materials, which have high density and uniformity and can simulate the distribution and magnetic moment of hydrogen atoms in different tissue types of the human body. During the calibration process, the calibration piece is placed in the MRI system, and its resonance signal and magnetic field distribution are measured to determine the accuracy and stability of the system.
High-density tungsten alloy nuclear magnetic resonance (NMR) imaging calibration parts are generally prepared by powder metallurgy and other methods. Among them, powder metallurgy can prepare tungsten alloy parts with high density and uniformity, and at the same time, precise processing and heat treatment can be performed to ensure its performance and quality.
In short, high-density tungsten alloy nuclear magnetic resonance (NMR) imaging calibration parts are an important medical equipment accessory that can be used to calibrate the accuracy and stability of the NMR imaging system, thereby ensuring the quality of medical images and the accuracy of diagnosis.
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