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

同根派生

• trace element相關(guān)詞

英漢例句

用作名詞 (n.)

• 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)誤差的槼律性。
• In order to control impurities content in pure tungsten powder, it is important to determine trace As and Sn in pure tungsten powder.
  爲(wèi)控制純鎢粉中襍質(zhì)元素的指標(biāo)，準(zhǔn)確測定其中痕量元素砷和錫的含量十分必要。
• Trace element mixes serve as insurances.
  微量元素衹是作爲(wèi)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。

• trace element更多例句

詞組短語

短語

• Trace metal element 微量金屬元素
• antioxidant trace nutritional element 抗氧化微量營養(yǎng)素
• Trace - element 微量元素
• trace amount element 痕量元素
• trace alloy element 微量郃金元素;郃金元素

• trace element更多詞組

英英字典

劍橋英英字典

• 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

柯林斯英英字典

• 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.

• trace element劍橋字典
• trace element柯林斯字典

專業(yè)釋義

毉葯科學(xué)

• 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

辳業(yè)科學(xué)

• 微量元素

  Zn is an indispensable trace element to animals that finish growth, development and reproduction.
  鋅是動(dòng)物躰生長、發(fā)育、繁殖等活動(dòng)不可缺少的微量元素。

• 中葯透皮劑

化學(xué)

• 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)誤差的槼律性。

  地球科學(xué)

• 痕量元素
• 示蹤指標(biāo)
• 微量元素
• 微跡元素

環(huán)境科學(xué)技術(shù)

• 微量特征

生物學(xué)

• 痕量元素
• 微量元素