Results for: Positron-emission-tomography

When diagnosed with 3c 4c 5c 6c bulging discs with severe head pain and pain in your neck radiating into shoulders left arm and tingling in your fingers what all can be done is there a pinched nerve?

If the disks are herniated (bulging is another term) the specific nerves causing your problems ARE being pinched/compressed by the disks - that's what happens when you herni (MORE)

What is the difference between transmission and emission tomography?

the transmission of radiation/energy refers to the fraction of incident radiation that is absorbed by and passes through a substance or body +++ whereas emission refers to the (MORE)

What happens in the positron emission of silicon-26?

Silicon-26 is a synthetic isotope of silicon; it is a man-made isotope. Additionally, silicon-26 is pretty unstable, and it has a half life of only about 2.234 seconds. This u (MORE)

How does positron emission cause nuclear transmutation?

  It is in beta plus decay that we see the positron emitted from the nucleus. (An electron is emitted in beta minus decay.) Within the nucleus of an unstable atom, a proto (MORE)

Why do positron emission and electron capture have the same effect on a nucleus?

The reason positron emission and electron capture have the same effect on the nucleus of an atom is because the resulting atom undergoes nuclear transformation, and the new el (MORE)
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What is tomography?

refers to imaging by sections or sectioning, through the use of any  kind of penetrating wave.
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What is the value of a stamp that says US Washington 5c?

To many variables to determine. Consult a catalog, available online or at your local library. In most cases the value is going to be pretty low, as Washington is a common subj (MORE)

Does iphone 5c have QR Scanner?

It does not come preloaded, but there are a few available for free in the App Store.
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How does positron emmission tomography work?

Positron emission tomography (PET) is a nuclear medicine imaging technique which produces a three-dimensional image or picture of functional processes in the body. The system (MORE)