Radionuclides with Tungsten Alloy Shielding Material Advantage and Tungsten Alloy Absorption Capacity

Natural radionuclides are natural radioactive series nuclides collectively. Naturally present in nature in some radionuclides, they continue to produce a continuous decay of the radioactive series composition. There are three natural radioactive series, which led to 92238U uranium series, led by 92235U actinides or actinide uranium series and thorium series led to 90232Th. They have a very long half-life (more than three years were 4.49 × 109, 7.13 × 108 and 1.39 × 1010 years), whose atoms have been retained from the beginning to the present. Atomic number greater than 81 other radionuclides are heavy elements such as uranium nuclides exists a long-lived nuclide and thorium decays continuously. In addition, through the natural radioactivity of possible systematic study confirms some of the Periodic System of natural radionuclides, they do not belong within the above three series, including potassium -40 (T1 / 2 = 1.2 × 109 years) , rubidium -87 (T1 / 2 = 6.0 × 1010 years), indium -113 (T1 / 2 = 6 × 1014 years), lanthanum -138 (T1 / 2 = 1.2 × 1011 years), samarium -152 (T1 / 2 = 2.5 × 1011 years), lutetium -176 (T1 / 2 = 2.4 × 1010 years), rhenium -187 (T1 / 2 = 4 × 1012 years).

As medical technology advances, more and more radiant life, has caused new problems, these rays are X-rays, gamma rays, α-rays, β-rays. Tungsten alloy is used to make the best of the shield material, whether medical or industrial equipment. Compared with conventional shielding materials, tungsten alloy shielding member reflects good value. High density alloy can be provided as the energy absorption, and the volume of lead less than 1/3 of people using the tungsten alloy can be a good and reliable shielding performance. Our common language tungsten alloy radiation shielding container shielded gamma shielding and industrial supplies. Shield member can also be used collimators, cancer treatment and radiation shielding syringe. In order to protect patients and health care workers, it is necessary to use shielded tungsten alloy equipment these harmful radiation.

The researchers found that radiation capacity and material density, the greater the density shielding performance is better. Has great density tungsten alloy, so it's shielding performance is high, and tungsten alloy product is environmentally friendly, than lead less hazardous products. Tungsten alloy products are used to make the best shield materials, non-toxic and easy processing.


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