单词 | transuranic element |
释义 | BETA Examples oftransuranic elementDictionary> Examples oftransuranic element transuranic elementisn’t in the Cambridge Dictionary yet. You can help! Add a definition A radioactive actinide metal, neptunium is the firsttransuranicelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is the seventhtransuranicelement, and an actinide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is the antepenultimate actinide and the ninthtransuranicelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This amount declines slowly as the americium decays into neptunium-237, a differenttransuranicelement with a much longer half-life (about 2.14 million years). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In chemistry, atransuranicelementreceives a permanent name and symbol only after its synthesis has been confirmed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It was the sixthtransuranicelementto be synthesized. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a metallic radioactivetransuranicelementin the actinide series, usually synthesized by bombarding einsteinium with alpha particles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A metallic radioactivetransuranicelementin the actinide series, it is the first element that currently can not be produced in macroscopic quantities through neutron bombardment of lighter elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He independently discovered thetransuranicelementneptunium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Of those, 11 are the transuranic elements, the ones which are artificially made by man. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 The most troublesome transuranic elements in spent fuel are neptunium-237 (half-life two million years) and plutonium-239 (half-life 24,000 years). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Spent fuel includes fission products, which generally must be treated as waste, as well as uranium, plutonium, and other transuranic elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This could either be viewed as good (generate more fuel) or can be viewed as bad (generation of more "radiotoxic" transuranic elements). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There is no practical application of berkelium outside of scientific research which is mostly directed at the synthesis of heavier transuranic elements and transactinides. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Berkelium-249 is a common target nuclide to prepare still heavier transuranic elements and transactinides, such as lawrencium, rutherfordium and bohrium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sometimes, eka- is still used to refer to some of the transuranic elements, for example "eka-radon" for ununoctium and "eka-actinium" (or "dvi-lanthanum") for untriennium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A supercollider orbits the entire equator of this new star, and is used to produce stable, artificial transuranic elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chemical separation of the transuranic elements and the fuel manufacturing, as well as the structure materials, are important issues. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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