trace element
音標(biāo)發(fā)音
- 英式音標(biāo) [?tre?s ?el.?.m?nt]
- 美式音標(biāo) [?tre?s ?el.?.m?nt]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- [地化][化學(xué)] 微量元素
英漢例句
- The regularity of random error of trace element analysis is discussed.
本文討論了痕量元素分析中隨機(jī)誤差的規(guī)律性。 - In order to control impurities content in pure tungsten powder, it is important to determine trace As and Sn in pure tungsten powder.
為控制純鎢粉中雜質(zhì)元素的指標(biāo)，準(zhǔn)確測(cè)定其中痕量元素砷和錫的含量十分必要。 - Trace element mixes serve as insurances.
微量元素只是作為一種保障措施。 - Kelp is rich in vitamins and trace elements.
大型褐藻富含維他命和微量元素。
用作名詞 (n.)
詞組短語(yǔ)
- Trace metal element 微量金屬元素
- antioxidant trace nutritional element 抗氧化微量營(yíng)養(yǎng)素
- Trace - element 微量元素
- trace amount element 痕量元素
- trace alloy element 微量合金元素;合金元素
短語(yǔ)
英英字典
- one of several types of simple chemical substance that are necessary for healthy growth and development, and exist in animals and plants in very small amounts
- A trace element is a chemical element such as iron or zinc that occurs in very small amounts in living things and is necessary for normal growth and development.
- A trace element is a very small amount of a chemical element that is found in a metal or other substance.
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 微量元素
The relationship between the trace element and diabetes are close.
微量元素與糖尿病關(guān)系密切。 - 苦味素
- 微量元素
Zn is an indispensable trace element to animals that finish growth, development and reproduction.
鋅是動(dòng)物體生長(zhǎng)、發(fā)育、繁殖等活動(dòng)不可缺少的微量元素。 - 中藥透皮劑
- 痕量元素
The regularity of random error of trace element analysis is discussed.
本文討論了痕量元素分析中隨機(jī)誤差的規(guī)律性。地球科學(xué)
- 痕量元素
- 示蹤指標(biāo)
- 微量元素
- 微跡元素
- 微量特征
- 痕量元素
- 微量元素