| 词汇 | vanadium |
| 释义 | vanadium noun[ U ] uk /vəˈneɪ.di.əm/ us /vəˈneɪ.di.əm/(symbolV) a chemical element that is a silver-grey metal, used to make steelalloys (= mixtures of metals) and in ceramics (= making objects out of baked clay)（金属）钒 Chemical elements actinium alkali metal americium astatine berkelium brimstone bromine calcium fluorine germanium lithium manganese nickel plutonium quicksilver selenium silicon sodium sulphur transition metal Examples of vanadiumvanadium In the blanket, the tubing is made of vanadium alloy. The same is true for the vanadium, rubidium and zirconium concentrations in the sediment. However, carbon, and oxygen are still present in quantity and acquire energy that could have been transferred to the vanadium, limiting the efficiency. Nitrogenase is a metalloenzyme, and the three known forms require molybdenum, vanadium or iron at a particularly important catalytic site. The remaining nine, which are present in small quantities, are the d-block elements vanadium, chromium, molybdenum, manganese, iron, cobalt, nickel, copper and zinc, and are known as the trace metals. These minerals include uranium, manganese, chrome, vanadium, platinum, gold, industrial diamonds, and so on. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 As it is such fine material, part of that dust will be heavy metals such as vanadium and mercury. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I understand that cobalt, copper, iron, lead, manganese, molybdenum, nickel, vanadium and zinc, in varying quantities, may be available. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I shall not enumerate them, but uranium, manganese and vanadium in particular come to mind. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We have knowledge of certain types of minerals which will form kernels which will accrete manganese, cobalt and vanadium from the sea. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 What is more, they are handling some pretty nasty substances of which arsenic trichloride, vanadium pent oxide and malic anhydride are the worst. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Emissions of vanadium are not yet included in the national atmospheric emissions inventory. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It contains enough vanadium to supply the whole of the needs of this country. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The most recent measurements available for nickel and vanadium are for the year 1992–93. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We know, for example, that the squid can abstract vanadium in an immensely rapid manner. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 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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