Strontium-90 (90 Sr ) is a radioactive isotope of strontium produced by nuclear fission, with a half-life of 28.79 years. It undergoes β − decay into yttrium-90, with a decay energy of 0.546 MeV. [2]

Sr-90 is a radioactive isotope of strontium that is produced in nuclear fission with a relatively high yield of 3 to 4 percent [7000 gigabecquerels (GBq) (190 curies) of Sr-90 and 1.4x106 GBq …

锶-90，核素符号 90 Sr，半衰期为28.79a，是β辐射体，可用于放射性核素检测仪器-X射线荧光分析仪、静电消除、同位素热源、医疗、卷烟密度测量等。

Natural Strontium (Sr) does not have radioactive properties, but its isotope 90 Sr has high radioactive properties and undergoes Beta (β – ray) decay. Its decay energy is 0.546 MeV and …

Strontium is a chemical element; it has symbol Sr and atomic number 38. An alkaline earth metal, it is a soft silver-white yellowish metallic element that is highly chemically reactive. The metal …

两个重要的放射性同位素是Sr-89和Sr-90。 锶的两种主要矿物是碳酸盐，锶锶矿SrCO3和硫酸盐含量更高的天青石SrSO4。 由于大多数应用都涉及钙和钡，因此元素锶仅具有很小的用途。 锶 …

Strontium-90 (half-life 29 years) was produced by above-ground nuclear explosions from 1945 and became a major environmental contaminant. It is an intense β-emitter and a serious threat …

Strontium-90 is used in small, portable nuclear power sources and can also be used to treat certain types of cancer. Doctors use strontium-90 in radiation therapy to target cancer cells, …

2021年10月14日 · Strontium cation Sr-90 | Sr+2 | CID 180072 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, …

Strontium is a silvery-yellow, soft metal element. It’s most commonly known for its uses in flares and red fireworks, but it also used in glow-in-the-dark plastics, in color television, and in …