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
- 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。 - 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。 - It is the discovery of a new chemical element.
它是一种新化学元素的发现。 - 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。 - The chemical element lifted to see to see everything of in front, as if deep in thought, go in toward a restaurant.
元素抬眼看了看面前的一切，若有所思，向一家饭馆进去。 - 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。 - 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。 - A chemical element lacking typical metallic properties.
缺少典型的金属特性的化学元素。 - 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。 - 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。