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Translations for „trace element“ in the English » Chinese Dictionary (Go to Chinese » English)

trace element N

trace element

微量元素 wēiliàng yuánsù

Monolingual examples (not verified by PONS Editors)

English

In geochemistry, a trace element is a chemical element whose concentration is less than 1000 ppm or 0.1% of a rock's composition. en.wikipedia.org

It is the workhouse of the laboratory and is used for trace element analysis via accelerator mass spectroscopy. en.wikipedia.org

This interpretation is supported by additional trace element data, but is also the subject of debate. en.wikipedia.org

This instrument can allow for greater chemical resolution but can only measure one trace element at a time. en.wikipedia.org

Selenium is a trace element involved in proteins that are antioxidants. en.wikipedia.org

Boron is a trace element in humans and is essential for some plants. en.wikipedia.org

These findings suggest that, with the exception of vertebrates, aquatic life supports selenium utilization, whereas terrestrial habitats lead to reduced use of this trace element. en.wikipedia.org

In 1992, trace element studies of the strontium/calcium ratios in robust australopith fossils suggested the possibility of animal consumption, as they did in 1994 using stable carbon isotopic analysis. en.wikipedia.org

In humans, selenium is a trace element nutrient that functions as cofactor for glutathione peroxidases and certain forms of thioredoxin reductase. en.wikipedia.org

They can be used to reconstruct past climate by examining the stable isotope ratios and trace element content of the shells (tests). en.wikipedia.org

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