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
- 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。 - This study investigated chemical element concentrations in calcite, calcareous soil and restored plants in a limestone rocky desertification area in Huaxi, Guizhou Province.
对贵州花溪区石灰岩、石灰土及定居植物中化学元素含量进行研究。 - Neutron Activation Analysis ( NAA) is a valid nuclear analytical technique, whichoccupy an important position in the chemical element analysis.
中子活化分析是一种有效的核分析技术，在微量和痕量元素分析中占有重要地位。 - Of or relating to or containing the chemical element tellurium.
属于、关于或包含化学元素碲。 - 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 adoption imports to reunite high-qualityly the amino acids mixs with little chemical element, the stability is strong, absorb make use of efficiency good, function result obvious;
采用进口优质的复合氨基酸螯合微量元素，稳定性强、吸收利用效率好、性能效果明显； - A chemical element is represented by a symbol.
化学元素用符号来表示。 - It is the discovery of a new chemical element.
它是一种新化学元素的发现。 - 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。 - 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。