释义 |
xenonxen‧on /ˈzenɒn $ ˈziːnɑːn, ˈze-/ noun [uncountable] xenonOrigin: 1800-1900 Greek xenos ‘strange’ (because it is rare) - For matrix materials like methane, nitrogen, krypton and xenon, this is not too surprising.
- Polarised atoms of xenon are useful because they can provide the reference direction for very accurate gyroscopes.
- Polarised hydrogen, on the other hand. which may be easier to make than polarised xenon, could help fusion research.
- So far Happer has concentrated on producing polarised xenon atoms.
- The xenon atoms remain polarised for about half an hour.
- The end result is polarised xenon.
- There are also tiny traces of other noble gases besides argon, namely, neon, krypton, and xenon.
- They are the noble gases: neon, argon, krypton, xenon, and radon.
► 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 colourless gas that is found in very small quantities in the air. It is a chemical element: symbol Xe |