| 词汇 | ferric |
| 释义 | ferric adjective uk /ˈfer.ɪk/ us /ˈfer.ɪk/ relating to or containing iron: 铁的，含铁的 ferric alloys铁合金 chemistry specialized relating to iron with a valency of three: （正）铁的，三价铁的 Ferrous forms of iron are absorbed more efficiently than ferric forms.二价铁比三价铁更容易被吸收。 ferric iron三价铁 Compare ferrous The worst price fall hit the steel industry: pig iron and ferric alloys dropped 21.7%. Use slug pellets based on ferric phosphate (harmless to other wildlife). The by-product is ferric chloride. Vitamin C from the diet helps in converting ferric iron to ferrous iron. Iron can be absorbed in the ferrous state much more readily than in the ferric state. Both forms are found in food, ferrous and ferric. Chemistry: metals & metalworking anti-tarnish bar magnet base metal bimetallic brazen brazier bullion ferrous galvanized gilt gold leaf lode magnet silver plate tarnished tinplated untarnished vermeil wrought iron zirconium Examples of ferricferric These probably represent the maximum values since partial re-equilibration between the ferrous and ferric species during separation will yield lower measured fractionations. The ferric ion catalyzed decomposition of hydrogen peroxide in perchloric acid solution. Ferric-ferrous ratio and oxygen fugacity calculations for primary derived melts: calibration of an empirical technique. Sections were stained with this solution, followed by a wash with 50% alcohol, and finally stained with a small drop of ferric chloride. The precipitation of magnetite by reaction (3) consumes ferric iron and indirectly drives the oxygen consumption by reaction (2). Unfortunately these gels suffered from ferric ion diffusion following irradiation, which effectively blurred the dose distributions and limited their usefulness. The top of the section includes somewhat thicker sandstone beds with syneresis cracks and ferric mineralizations (at 26.6 and 27.9 m). These anoxigenic photosynthesis reactions probably contributed to the formation of some oxidized ferric iron that may have played a role in early oxygenic photosynthesis and changes in the atmosphere. After jarosite precipitation, an arid environment must have prevailed, as jarosite becomes unstable and rapidly decomposes to ferric oxyhydroxides in the presence of new liquid water. The spectral character of ferric oxide, oxyhydroxide and oxyhydroxysulphate minerals vary depending on their structure and could be formed in layers in mats to the benefit of multiple phototrophic organisms. Could millennium money contribute to a new bridge or tunnel instead of being spent on an unnecessary riverside ferric wheel? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 He died from cancer caused by contact with ferric oxide dust. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It often contains ferric and ferrous salts, sulphates of aluminium, calcium, magnesium and even free sulphuric acid. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Precipitation methods using ferric sulphate can deal with phosphates, but it is very expensive. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The uranium was present in the form of ammonium diuranate associated with ferric hydroxide as solids in suspension, and to the extent of 300 ppm by weight. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 See all examples of ferric 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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