chemical element

英 [ˈkemɪkl ˈelɪmənt]

美 [ˈkemɪkl ˈelɪmənt]

n.  化学元素

化学

英英释义

noun

• any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
  Synonym:element

双语例句

• Zinc is a chemical element which is very important to our health.
  锌是一种对人体健康很有益处的元素。
• Transition element Any chemical element with valence electrons in two shells instead of only one.
  过渡元素及其化合物：价电子处在两个壳层而不是一个壳层里的任何化学元素。
• The spectrometers can assess the composition of the sample by parsing individual wavelengths of light in the plasma, each of which is characteristic of a different chemical element.
  这些光谱仪能够剖析等离子体中各种光线的波长（每种波长都属于某种化学元素的特征光谱），确定样品组成。
• Making different patterns, each pattern stand a distinct chemical element.
  每一类都有不同的化学性质。
• Suitable methods were found for the determination of the elements, thus providing a scientific basis for the selection of suitable methods for chemical element analysis in plants.
  本文为植物生态学和植物学中氮元素各种形态含量的分析提供了选择测定方法的依据。
• So they represented this chemical element with a solar symbol.
  所以他们用太阳符号来代表这种化学元素。
• A chemical element is represented by a symbol.
  化学元素用符号来表示。
• Rn is dangerous increment that a kind of chemical element whose radio is very strong, long-term contact Rn, is a very low density even to also can make the indoors crowd get the lung cancer.
  氡是一种放射性很强的元素，长期接触氡，即使是很低浓度也可使室内人群患肺癌的危险增加。
• We must include this chemical element in the group.
  我们必须使组里包括这种化学元素。
• For the first time ever, scientists have been able to create a chemical element that can fight caner cells.
  科学家第一次能够创造出一种抗癌细胞的化学成分。