trace element
英 [treis ˈelimənt] 美 [tres ˈɛləmənt]

n.

痕量元素，微量元素；

变形

复数：trace elements

英英释义

trace element

• n.an element that occurs at very small quantities in the body but is nonetheless important for many biological processes

双语例句

用作名词(n.)

1. The regularity of random error of trace element analysis is discussed.
   本文讨论了痕量元素分析中随机误差的规律性。
2. In order to control impurities content in pure tungsten powder, it is important to determine trace As and Sn in pure tungsten powder.
   为控制纯钨粉中杂质元素的指标，准确测定其中痕量元素砷和锡的含量十分必要。
3. Trace element mixes serve as insurances.
   微量元素只是作为一种保障措施。
4. Kelp is rich in vitamins and trace elements.
   大型褐藻富含维他命和微量元素。

权威例句

Trace Element Discrimination Diagrams for the Tectonic Interpretation of Granitic Rocks
Trace element and isotopic effects of combined ...
The origin of ocean island basalt end-member compositions: trace element and isotopic constraints
Trace element fractionation during anatexis
Trace element in human and animal nutrition
Mesozoic lithosphere destruction beneath the North China Craton:evidence from major-,trace-element and Sr-Nd-Pb isotope studies of F...
Relationship between the trace element composition of sedimentary rocks and upper continental crust [J]. Geochemistry, Geophysics, G...
Trace element requirements in critically ill burned patients.J Trace Elem Med Biol 21(Suppl 1):44-48
Trace element fractionate during anatexis
Trace element abundances and the chondritic Earth model