chemical element

1. 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。
2. 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。
3. 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。
4. Uranium is a chemical element.
   铀是一种化学元素。
5. 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。
6. 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。
7. 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。
8. 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。
9. A chemical element is represented by a symbol.
   化学元素用符号来表示。
10. 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。
11. 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。
12. It is the discovery of a new chemical element.
    它是一种新化学元素的发现。
13. Making different patterns, each pattern stand a distinct chemical element.
    每一类都有不同的化学性质。
14. Two reasonable moderate Buddhism culture with original natural view, Buddhism cultural the chemical element dissolve go into go to view chemical element, bring visitor interaction to participate;
    二合理协调佛教文化与原有自然景观，将佛教文化元素溶入到景观元素中，给游人带来互动性的参与；
15. A chemical element lacking typical metallic properties.
    缺少典型的金属特性的化学元素。
16. 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。
17. 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。
18. 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。
19. Analytical topic, the concept chemical element withdraws and makes use of, creativity design speculation and express, complete the end design result.
    分析主题，概念元素的提取及运用，创意性的设计构想和表现，完成终极的设计成果。
20. 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。
21. We must include this chemical element in the group.
    我们必须使组里包括这种化学元素。
22. 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。
23. 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；
24. It's twenty year since the scientist set out on his work of discovering the valuable chemical element.
    这位科学家从事发现珍贵化学元素的工作已有20年了。
25. Of or relating to or containing the chemical element tellurium.
    属于、关于或包含化学元素碲。
26. 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。
27. 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。
28. 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。
29. 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。

noun

1. 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

   Synonym:    element