| 词汇 | strontium |
| 释义 | strontiumWord family nounstrontiastrontianstrontianitestrontium Elements stron·ti·um /ˈstrɒntiəm $ ˈstrɑːn-/ noun [uncountableU] HCEa soft silver-white metal that is used to make fireworks. It is a chemical element: symbol Sr 锶〔一种化学元素，符号为 Sr〕 Examples from the Corpus strontium• Other less toxic or benign metals such as calcium, magnesium, and strontium are also efficiently dissolved.• Potassium turns into argon, uranium into lead, rubidium into strontium.• Electricity produced by radioactive isotopes, strontium 90, polonium 210, by thermoelectric energy conversion.• For example, the origin of ivory can be identified by its strontium isotopic composition, which reflects the diet of the elephant.• Ferrite, the low-cost non-cobalt material made of ferric oxide and barium or strontium carbonate, was launched in the 1950s. (1800-1900) Strontian, village in Scotland where a substance formed from strontium was discovered |
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