chemical element
英 [ˈkemɪkl ˈelɪmənt]
美 [ˈkemɪkl ˈelɪmənt]
n. 化学元素
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
双语例句
- We must include this chemical element in the group.
我们必须使组里包括这种化学元素。 - Uranium is a chemical element.
铀是一种化学元素。 - 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。 - 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。 - 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。 - Lead is a chemical element that can be used in building construction.
铅是一种化学物质，可以作为建材使用。 - Analytical topic, the concept chemical element withdraws and makes use of, creativity design speculation and express, complete the end design result.
分析主题，概念元素的提取及运用，创意性的设计构想和表现，完成终极的设计成果。 - 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。