Basic principles of nuclear magnetic resonance: The angular momentum of the nucleus is usually called the nuclear spin, which is an important characteristic of the nucleus. Since the nucleus is composed of protons and neutrons, protons and neutrons are particles with a spin of 1/2. They also have relative motion in the nucleus, and therefore have corresponding orbital angular momentum. The vector sum of the orbital angular momentum and spin angular momentum of all nucleons is the spin of the nucleus. Nuclear magnetic resonance imaging is an examination method that uses electronic computers to analyze and diagnose human cross-section images. It does not use X-rays, but magnetic fields. Its basic principle is that hydrogen atoms contained in the human body will resonate after being given specific high waves under a strong magnetic field, generating a high-wave electromagnetic wave. Nuclear magnetic resonance uses this property and uses electronic computers to collect, process and graph the changes in the magnetic field. Nuclear magnetic resonance imaging can show fat, organs throughout the body, muscles, fast-flowing blood, bones and air, etc. The internal structure of the organs can also be clearly displayed. Doctors can well identify tumors, inflammation, necrotic lesions, abnormal substance deposition, functional obstruction, blood circulation obstruction and other lesions in patients. It is very helpful for diagnosing various diseases of the nervous system, chest, abdomen and limbs. For more information about MRI, please visit: Medical Imaging Equipment
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