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transmutation    
n. 变形,变化

变形,变化

transmutation
n 1: an act that changes the form or character or substance of
something [synonym: {transmutation}, {transubstantiation}]
2: a qualitative change [synonym: {transformation}, {transmutation},
{shift}]
3: (physics) the change of one chemical element into another (as
by nuclear decay or radioactive bombardment); "the
transmutation of base metals into gold proved to be
impossible"


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英文字典中文字典相关资料:


  • Nuclear transmutation - Wikipedia
    A transmutation can be achieved either by nuclear reactions (in which an outside particle reacts with a nucleus) or by radioactive decay, where no outside cause is needed
  • What Is Transmutation? From Alchemy to Nuclear Science
    Transmutation is the conversion of one chemical element into another It happens when the nucleus of an atom gains or loses protons, changing its identity on the periodic table
  • Transmutation | Nuclear Reactions, Radioactivity Fission | Britannica
    transmutation, conversion of one chemical element into another A transmutation entails a change in the structure of atomic nuclei and hence may be induced by a nuclear reaction (q v ), such as neutron capture, or occur spontaneously by radioactive decay, such as alpha decay and beta decay (qq v )
  • 21. 4 Transmutation and Nuclear Energy - Chemistry 2e | OpenStax
    The first manmade nucleus was produced in Ernest Rutherford’s laboratory in 1919 by a transmutation reaction, the bombardment of one type of nuclei with other nuclei or with neutrons
  • TRANSMUTATION Definition Meaning - Merriam-Webster
    Alchemists believed that lead could be “perfected” into gold, that diseases could be cured, and that life could be prolonged through transmutation, or a change of some essential element into a superior form
  • 9. 4: Transmutation - Chemistry LibreTexts
    Furthermore, recall that all elements that have atomic numbers that are greater than 92 are synthesized through a second nuclear reaction, transmutation, in which a new radioisotope is generated by bombarding a stable nucleus with small particles
  • Transmutation - Energy Education
    Natural or spontaneous transmutation occurs in unstable, radioactive elements These elements will be transformed into a stable element over a series of decays or a decay chain For example, uranium-238 transmutes spontaneously into lead-206 through a series of steps
  • Transmutation - tb014. k12. sd. us
    In 1919, Ernest Rutherford (the man who discovered the nucleus) and his research group became the first people to cause transmutation - the changing of one nucleus into another
  • Nuclear Transmutation - What is Transmutation
    In physics, nuclear transmutation is the conversion of one chemical element or an isotope into another Nuclear reactors cause artificial transmutation by exposing elements to neutrons produced by fission
  • Nuclear Transmutation | Process Significance
    Nuclear transmutation is a fundamental concept in nuclear physics involving the conversion of one chemical element or isotope into another This process can occur naturally in stellar environments or be induced artificially in laboratories or nuclear reactors





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