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
- 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。 - 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 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。 - The relationship between Tricholoma matsutake circle spreading and 13 chemical element contents in soil was studied preliminarily.
初步研究了松茸圈扩散与土壤中13种化学元素含量之间的关系。 - 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。 - 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。 - 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。 - 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。 - 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。 - Each pattern stands for a kind of chemical element, and so different sets or patterns of spectral lines mean that star has a different chemical composition.
各个模式各代表一个特别的化学元素。所以不同的摆放或是不同的光谱线的模式意味着恒星有着特别的化学成分。