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
- 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。 - 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。 - 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。 - We must include this chemical element in the group.
我们必须使组里包括这种化学元素。 - 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； - It is the discovery of a new chemical element.
它是一种新化学元素的发现。 - 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。 - 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。 - The ancients thought that gold resembled the sun, so they represented this chemical element with a solar symbol.
古代人认为黄金与太阳想象，所以他们用太阳符号来代表这种化学元素。 - 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。