| 词汇 | protium |
| 释义 | protium noun[ U ] chemistry specializeduk /ˈprəʊ.ti.əm/ us /ˈproʊ.ti.əm/ the most common isotope of hydrogen氩 Physics: atoms, molecules & sub-atomic particles acceptor alpha particle anti-radical antilepton antimatter antineutrino beta decay beta particle hadron Higgs boson interatomic interelectronic interionic molecularly monatomic multi-molecular multiparticle muon positron relative atomic mass Examples of protiumprotium The ordinary isotope of hydrogen, with no neutrons, is sometimes called protium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The term proton refers to the cation of protium, the most common isotope of hydrogen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Because the nucleus of this isotope consists of only a single proton, it is given the descriptive but rarely used formal name "protium". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sivana sees they had an element called protium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The deuterium in heavy water has a very much lower absorption affinity for neutrons than does protium (normal light hydrogen). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Protium and deuterium readily diffuse through the alloy membrane. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The nucleus of deuterium, called a deuteron, contains one proton and one neutron, whereas the far more common hydrogen isotope, protium, has no neutron in the nucleus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. H atom is called protium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Similarly, sound travels about 1.41 times faster in light hydrogen (protium) gas than in heavy hydrogen (deuterium) gas, since deuterium has similar properties but twice the density. 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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