WebFeb 14, 2024 · The Definition of Radioactive. Radioactive describes a state or property of certain materials. A substance is a radioactive material if it produces energy by independently releasing subatomic ... WebDefine radioactivity. radioactivity synonyms, radioactivity pronunciation, radioactivity translation, English dictionary definition of radioactivity. n. 1. Spontaneous emission of …

Radioactive definition and meaning Collins English Dictionary

WebRadioactive contamination and radiation exposure could occur if radioactive materials are released into the environment as the result of an accident, an event in nature, or an act of terrorism. Such a release could … WebSep 24, 2024 · Artificially Induced Radioactivity. Radioactivity is the process by which the nucleus of an unstable atom loses energy by emitting radiation, including alpha … pounds to scruple

Radiation Basics NRC.gov

Webradiation, flow of atomic and subatomic particles and of waves, such as those that characterize heat rays, light rays, and X rays. All matter is constantly bombarded with radiation of both types from cosmic and … WebRadioactivity of eluted fractions and bead suspensions are combined as the apparent bound fraction. Note: Glycopeptides are eluted from the beads prior to radioactivity detection because liquid scintillation counting with glycopeptides on the beads results in partially suppressed detection, particularly in the case of 3 H label. Webradioactivity: Measurement of half-life. Half-lives are characteristic properties of the various unstable atomic nuclei and the particular way in which they decay. Alpha and beta decay are generally slower processes than gamma decay. Half-lives for beta decay range upward from one-hundredth of a second and, for alpha decay, upward from about ... pounds to scf