| 词汇 | example_english_trace-metal |
| 释义 | trace metalcollocation in Englishmeanings of traceand metalThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with metal. trace noun uk /treɪs/ us /treɪs/ a sign that something has happened ... See more at trace metal noun[C or U] uk /ˈmet.əl/ us /ˈmet̬.əl/ a chemical element, such as iron or gold, or a mixture of such elements, such as steel, that is generally hard and strong, and through which electricity and heat ... See more at metal Examples of trace metalThese 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. However, under nutrient limiting conditions in the environment, microorganisms may secrete ligands, such as siderophores, to scavenge tracemetal micronutrients. Sediment samples were recovered for tracemetal and microbiological analysis as well as investigations of sediment-dwelling organisms. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The objectives were to study the distribution of trace elements in the waters of the channel and to recover a number of fish from the area for tracemetal analysis. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Molybdenum, an oxygen-sensitive tracemetal, will be present in unoxidized form in strata only if there is anoxia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Indirectly, the hydroxyl radical can result in significant biogeochemical changes in marine systems by influencing the cycling of dissolved organic matter and tracemetal speciation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Ultrapure tracemetal grade acid is required for such determination, because small amounts of metal ions could affect the result of the analysis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Mangrove removal disturbs these underlying sediments, often creating problems of tracemetal contamination of seawater and biota. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hutner was one of the first to appreciate the importance of organic complexing agents in tracemetal nutrition of cells. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most of the trace metals are found as natural constituents of proteins. Further, as the biotic ligand model addresses, the binding of tracemetal to a site is not only dependent on the concentration of the metal in question. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Initial results based on our experiments suggests hyperthermophilic microorganisms do not produce tungsten or any other metal-specific ligands to leach trace metals from basalts. Pfeiffer conducted a 12-year study which allowed him to classify behavior disorders into four categories based on tracemetal patterns. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Trace metals are typically required by microorganisms as micronutrients, commonly for catalytic roles in a variety of enzymes. These researchers concluded that the gradient in parasitism in these molluscs principally resulted from the toxic effects of trace metals on the miracidia, reducing parasite transmission to the hosts. Marine organic material might be an important carrier of trace metals in the examined sediments. The mass production of trace metals is within the range of possibilities if working faces of coal were freely available for scientists. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 However, many of the trace metals, the heavy metals, have reached the point where they are contaminating. 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. Want to learn more? Go to the definition of trace Go to the definition of metal See other collocations with metal |
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