| 词汇 | noble-gas |
| 释义 | noble gas noun[ C ] chemistry specializeduk /ˌnəʊ.bəl ˈɡæs/ us /ˌnoʊ.bəl ˈɡæs/ any of a group of gases, such as helium and neon, that do not react with other chemicals惰性气体（一系列不与其他化学物质发生反应的气体，例如氦气、氖气） Chemistry: types of chemical acid salt aerogel albumin alkali metal alkaline alkaloid antioxidant carbohydrate homologous series inorganic isopropanol ketone lectin melamine monosaccharide mothball propellant saline soluble weak base noble gas | American Dictionarynoble gas noun[ C ] us/ˈnoʊ·bəl ˈɡæs/ chemistry any of a group of gases, such as helium, that do not react with other chemicals Examples of noble gasnoble gas Noblegas plasmas operate easily in the high-frequency range. The gas was ultrahigh-purity hydrogen or noblegas-hydrogen mixture (90/10%) at 2 torr total pressure. The argon analysis was performed using the isotope dilution procedure on a noblegas mass spectrometer in duplicate. In none of these plasmas was there any significant broadening of the noblegas lines. Femtosecond time resolved studies of the dynamics of noblegas cluster explosions. Finally, palaeotemperature studies are outlined, which use the temperature dependence of noblegas solubility. No other species in these plasmas, specifically molecular hydrogen and various noblegas species, were found to be 'hot'. This is usually the case when the dust is embedded in a noblegas without impurities. For these reasons, it seems that the most promising candidates are the noblegas ion lasers. Volcanic gases are usually dominated by atmospheric noblegas, and data from xenoliths are complex and equivocal as a result of the many opportunities for contamination. Pairs of time-delayed and phase-coherent harmonic pulses generated by the interaction of ultrashor t and intense laser pulses with a noblegas are used to study excited states of krypton. Other interesting candidates are noblegas compounds. In his doctoral thesis he described the noblegas filled thermionic converter developed by him. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is believed that the water molecule, a strong dipole, induces a weak dipole in the noblegas atoms, resulting in dipole-dipole interaction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Although argon is a noblegas, it has been found to have the capability of forming some compounds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of noble gas 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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