| 释义 |
strontiumstron‧ti‧um /ˈstrɒntiəm $ ˈstrɑːn-/ noun [uncountable]   strontiumOrigin: 1800-1900 Strontian, village in Scotland where a substance formed from strontium was discovered - Electricity produced by radioactive isotopes, strontium 90, polonium 210, by thermoelectric energy conversion.
- Ferrite, the low-cost non-cobalt material made of ferric oxide and barium or strontium carbonate, was launched in the 1950s.
- For example, the origin of ivory can be identified by its strontium isotopic composition, which reflects the diet of the elephant.
- 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.
► Elementsaluminium, nounargon, nounarsenic, nounbarium, nounbase metal, nounbismuth, nouncadmium, nouncaesium, nouncalcium, nouncarbon, nounchlorine, nounchromium, nouncobalt, nouncopper, nounferrous, adjectivegold, noungold, adjectivegolden, adjectivehalogen, nounhydro-, prefixhydrogen, nouniodine, nouniridium, nouniron, nounisotope, nounkrypton, nounlead, nounlithium, nounmagnesium, nounmanganese, nounmercury, nounmolybdenum, nounnickel, nounnitrogen, nounoxygen, nounphosphorus, nounplatinum, nounplutonium, nounpotassium, nounprecious metal, nounradium, nounradon, nounselenium, nounsilicon, nounsilver, nounsilver, adjectivesodium, nounstrontium, nountin, nountin, adjectivetitanium, nountrace element, nountungsten, nounuranium, nounxenon, nounzinc, noun a soft silver-white metal that is used to make fireworks. It is a chemical element: symbol Sr |