trace metal中文什么意思

痕量金属

微量金属

• trace:    n. (马车等的)挽绳，挽车的皮带； ...
• metal:    n. 1.金属；金属制品；金属合金。 ...
• copper trace metal additive:    微量铜添加物

例句与用法

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1. Standard test method for trace metals in petroleum coke by atomic absorption
   用原子吸收法测定石油焦炭中痕量金属的标准试验方法
2. Test method for measuring trace metals in electronic grade water by atomic absorption spectrophotometry
   电子级水中痕量金属的原子吸收分光光度测试方法
3. Study of clay minerals and trace metals composition of suspensions in water column of vanda lake in antarctica
   南极洲万达盐湖水的悬浮物中的粘土矿物和痕量金属组成的研究
4. Test method for trace metals in gas turbine fuels by atomic absorption and flame emission spectroscopy
   用原子吸收和火焰发射光谱法测定燃气涡轮机燃料中痕量金属的试验方法
5. Test method for the determination of trace metals in petroleum coke by wavelength - dispersive x - ray fluorescence spectroscopy
   波长散射x -射线荧光法测量汽油焦金属痕量的方法

百科释义

Trace metals are metals in extremely small quantities that are present in animal and plant cells and tissue. They are a necessary part of nutrition and physiology.