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a protective internal shield (usually uranium metal or a tungsten alloy), and a cylinder of radioactive source material ( caesium-137 in the Goiânia incident, but usually cobalt-60 ) The Goiânia accident [ɡojˈjɐniɐ] was a radioactive contamination accident that occurred on September 13, 1987, in Goiânia , Goiás , Brazil, after an ...
Drolet's 1990 Rhumart system, a PEMF device. Pulsed electromagnetic field therapy ( PEMFT, or PEMF therapy ), also known as low field magnetic stimulation ( LFMS) is the use of electromagnetic fields in an attempt to heal non-union fractures and depression. [1] By 2007 the FDA had cleared several such stimulation devices.
Electromagnetic shielding is the process of lowering the electromagnetic field in an area by barricading it with conductive or magnetic material. Copper is used for radio frequency (RF) shielding because it absorbs radio and other electromagnetic waves. Properly designed and constructed RF shielding enclosures satisfy most RF shielding needs ...
Blue Shield of California is a mutual benefit corporation and health plan [6] [7] founded in 1939 by the California Medical Association. It is based in Oakland, California, and serves 4.5 million health plan members and more than 65,000 physicians across the state. Blue Shield of California was founded as a not-for-profit organization.
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From: IRS Reply-To: "noreply@girs.com" Subject: Tax Notification Our Ref. S/11434/12 Your Ref. 18B/765/12 NOTICE OF TAX RETURN FOR YEAR 2011 Dear Taxpayer, I am sending this email to announce ...
An EMF meter is a scientific instrument for measuring electromagnetic fields (abbreviated as EMF). Most meters measure the electromagnetic radiation flux density (DC fields) or the change in an electromagnetic field over time (AC fields), essentially the same as a radio antenna, but with quite different detection characteristics.
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