a positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes
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- a positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes0 Commentaires 0 Parts 257 Vue
- the radiation of alpha particles during radioactive decay0 Commentaires 0 Parts 583 Vue
- the radiation of alpha particles during radioactive decay0 Commentaires 0 Parts 794 Vue
- the radiation of alpha particles during radioactive decay0 Commentaires 0 Parts 773 Vue
- the radiation of alpha particles during radioactive decay0 Commentaires 0 Parts 763 Vue
- receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasoconstriction and relaxation of intestinal muscles and contraction of smooth muscles)0 Commentaires 0 Parts 9327 Vue
- receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasoconstriction and relaxation of intestinal muscles and contraction of smooth muscles)0 Commentaires 0 Parts 13298 Vue
- the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz0 Commentaires 0 Parts 12992 Vue
- the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz0 Commentaires 0 Parts 16816 Vue
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