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Radioactivity
01
放射性, 放射活动
the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei in radioactive substances
radioactivity
n
radioact
v
例子
The phenomenon of radioactivity was discovered by Henri Becquerel while studying the properties of uranium salts.
The effects of ionizing radiation from radioactivity can damage living tissues and cells, leading to potential health risks.
Marie and Pierre Curie conducted pioneering research on radioactivity, discovering the elements polonium and radium.
Neutrons produced in nuclear reactions can induce radioactivity in materials through neutron activation.
Marie Curie pioneered research on radioactivity.
