| 单词 | molybdenum |
| 释义 | molybdenum noun[U] uk/mɒlˈɪb.də.nəm/us/mɑːˈlɪb.də.nəm/(symbolMo)achemicalelementthat is a very hard, silver-colouredmetal, usedespeciallyto makesteelstronger 钼Chemical elements
Examplesofmolybdenummolybdenum At present the most common form of the enzyme, which is present in all known modern diazotrophs, usesmolybdenum. From theCambridge English Corpus Effect ofmolybdenumconcentration in the seed on the response of pasture legumes tomolybdenum. From theCambridge English Corpus The most commonly used metals are titanium, cobalt, chromium,molybdenumalloy and steel. From theCambridge English Corpus Themolybdenumisotope system is emerging as an indicator of global redox conditions. From theCambridge English Corpus Only the nitrogenase iron protein is shown (residues % 1-274), themolybdenum-iron protein is omitted for clarity. From theCambridge English Corpus Effect ofmolybdenum, phosphorus, and lime application to acid soils on dry matter yield andmolybdenumnutrition on lentil. From theCambridge English Corpus Copper andmolybdenumabsorption by rats given ammonium tetrathiomolybdate. From theCambridge English Corpus Whether these elements, together withmolybdenumand manganese, are deficient in mammal diets is not known. From theCambridge English Corpus Plants require at least 16 such elements, and this book reviews our knowledge of seven of these (iron, manganese, copper, zinc,molybdenum, boron and chlorine) termed 'micronutrients'. From theCambridge English Corpus Part of this section is a pepperpot mask which is basically a smallmolybdenumplate with hole borings that is mounted at an angle of 458 to the beam axis. From theCambridge English Corpus Nitrogenase is a metalloenzyme, and the three known forms requiremolybdenum, vanadium or iron at a particularly important catalytic site. From theCambridge English Corpus 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. From theCambridge English Corpus There are other essential raw materials, some of them principally from abroad—manganese, tungsten,molybdenum, chrome. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 It is a wholly inadequate answer, and the absurdity of it comes out best with regard to manganese andmolybdenum. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Secondly, there is the question of the production ofmolybdenumbearing steel. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen 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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