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 Kommentare 0 Anteile 251 Ansichten
- the radiation of alpha particles during radioactive decay0 Kommentare 0 Anteile 578 Ansichten
- the radiation of alpha particles during radioactive decay0 Kommentare 0 Anteile 789 Ansichten
- the radiation of alpha particles during radioactive decay0 Kommentare 0 Anteile 768 Ansichten
- the radiation of alpha particles during radioactive decay0 Kommentare 0 Anteile 758 Ansichten
- 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 Kommentare 0 Anteile 9321 Ansichten
- 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 Kommentare 0 Anteile 13291 Ansichten
- the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz0 Kommentare 0 Anteile 12984 Ansichten
- the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz0 Kommentare 0 Anteile 16808 Ansichten
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