| 词汇 | argon |
| 释义 | argon noun[ U ] uk /ˈɑː.ɡɒn/ us /ˈɑːr.ɡɑːn/(symbolAr) a chemical element that is a gas found in air. Argon does not react with other elements and is sometimes used to make electric lights.氩 Chemical elements actinium alkali metal americium astatine berkelium brimstone bromine calcium fluorine germanium iodine lithium manganese nickel plutonium quicksilver selenium silicon sodium transition metal argon | American Dictionaryargon noun[ U ] us/ˈɑr·ɡɑn/ chemistry a gas, one of the chemical elements, that has no color, taste, or smell and does not combine with other elements Examples of argonargon The argon gas discharge takes place between two parallel circular electrodes enclosed in a cylindrical chamber. Operational improvement of the high-pressure argon-mercury test lamp are considered with respect to the continuum spectrum in the visible wavelength range. All argon peaks were scanned ten times and peak heights extrapolated back to the inlet time to allow for argon build-up and memory effects. The mechanisms of photoluminescence from silicon nano-crystals formed by pulsed-laser deposition in argon and oxygen ambient. For our axial profile measurements, the beam (514.5nm) from an argon ion laser was collimated and oriented coincident with and propagating up the jet centreline. It shows reshaping of argon ions with diffraction pattern and broken chains. To avoid any interference from oxygen all the irradiation experiments were conducted under continuous flow of argon gas into the reaction medium. This involves two treatment sessions a fortnight apart when about 50 x 50 micron focal argon laser burns are placed on the anterior trabecular meshwork. These are considered geologically significant, and are interpreted to date the last cooling through temperatures required for intracrystalline argon retention. Average plasma conditions inferred from chlorine are consistent with the measured argon yields. Figure 9a shows the optical micrograph of the untreated surface for the tracks of laser-induced plasma ions of argon with conical shape. Because hot argon emits light in a broad spectrum, one may choose a dye laser with a large number of upper laser level states. The latter is consistent with the saddle-shaped spectra, which suggest the presence of excess argon. 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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