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
- It is the discovery of a new chemical element.
它是一种新化学元素的发现。 - 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。 - 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。 - 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。 - 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。 - 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。 - Isotope: One of two or more species of atoms of a chemical element having nuclei with the same number of protons But different numbers of neutrons.
同位素：一种化学元素的两个或多个类型，它们的原子核具有相同的质子数，而中子数却不同。 - 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。 - Making different patterns, each pattern stand a distinct chemical element.
每一类都有不同的化学性质。