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

• EDTA coordination reagent applied widely in coordination titration to determine the chemical element.
  EDTA配位剂广泛应用于配位滴定，用于物质中化学成分的测定分析。
• 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。
• Uranium is a chemical element.
  铀是一种化学元素。
• 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。
• 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。
• A chemical element is represented by a symbol.
  化学元素用符号来表示。
• Blue diamonds get their colour from small amounts of the chemical element boron trapped in their crystal structure.
  蓝钻石的晶体结构中含有的化学元素硼是蓝色的由来。
• The jump in the price of rhenium – an extremely rare metal that was the last naturally occurring chemical element to be discovered – is the most striking example of the new environment.
  铼价暴涨是新环境下最为显著的例子。这种极其稀有的金属是人类最后发现的一种自然形成的化学元素。
• We must include this chemical element in the group.
  我们必须使组里包括这种化学元素。
• It is the discovery of a new chemical element.
  它是一种新化学元素的发现。