particle

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particle

noun atom, bit, component part, crumb, cutting, fragment, grain, granule, hint, mite, modicum, moiety, molecule, morsel, piece, pittance, point, scintilla, snippet, speck, spot, suggestion, trace

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Samarium's less energetic beta particles should allow the new preparation to be used in a broad range of joints, Straus says--not only the knee but also the finger, elbow, shoulder, and hip.

Nuclear medicine gets friendlier; experimental therapies seek to poison just the disease

Moe and his colleagues have spent the last few years looking for a form of radioactivity known as neutrinoless double-beta decay, characterized by the simultaneous emission of two beta particles, or electrons.

Radioactivity on the spot

These energetic electrons may behave like beta particles.

Radiation exposure: current and future treatments

The numbers represent a count of subatomic beta particles ejected from the nucleus of radioactive atoms.

Website to list daily Oregon radiation levels

Often three things fall under the catch-all term "radiation:" gamma rays, which are high energy photons (light), beta particles, which are electrons and positrons, alpha particles, which are helium nuclei, and neutrons.

The Health Effects Of Radioactive Elements

Beta particles are stronger and can penetrate the skin.

Not so smart 'alecks'!

The working group also reaffirmed that internally deposited radionuclides that emit alpha or beta particles, such as radon, are group 1 carcinogenic agents.

Group calls tanning beds 'carcinogenic to humans'

DU is a heavy metal that is also slightly radioactive, emitting alpha and beta particles and gamma rays.