Each pattern stands for a distinct chemical element, and so different sets or patterns of spectral lines mean that the star has a different chemical composition.
每一种样式代表一种不同的化学元素，所以光谱线的不同集合或模式意味着这颗恒星有不同的化学成分。
镭是一种化学元素。
Uranium is a chemical element.
铀是一种化学元素。
镭和铀是放射性元素。
The chemist found a new chemical element.
那位化学家发现了一种新的化学元素。
Hydrogen is the most simple chemical element.
氢是最单纯的化学元素。
It is the discovery of a new chemical element.
它是一种新化学元素的发现。
What is the nature of the new chemical element?
这新的化学元素特性怎样?。
Summarize the chemical element of momordica charantia.
对苦瓜的化学成分进行了概述。
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。
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。
Isotopes are different atomic versions of a particular chemical element.
同位素是一个特定化学元素的不同原子变种。
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。
Nitrogen: Gaseous chemical element, chemical symbol n, atomic number 7.
氮：气态化学元素，化学符号N，原子序数7。
Hydrogen: Lightest chemical element, chemical symbol h, atomic number 1.
氢：一种轻的化学元素，化学符号H，原子序数1。
Boron: Semimetallic chemical element, chemical symbol b, atomic number 5.
硼：半金属的化学元素，化学符号B，原子序数5。
Iodine: Nonmetallic chemical element, chemical symbol I, atomic number 53.
碘：非金属化学元素，化学符号I，原子序数53。
Phosphorus Nonmetallic chemical element, chemical symbol P, atomic number 15.
非金属化学元素，化学符号P，原子序数15。
Also, silicon is a very common chemical element, whereas germanium is relatively rare.
除此之外，相对于含量稀少的锗元素，硅是相当普遍的化学元素。
Chemical element is the general term for the same type of atoms with the same mass number.
化学元素是具有相同核电荷数的同一类原子的总称。
Potassium: chemical element, one of the alkali metals, chemical symbol k, atomic number 19.
钾：一种碱金属化学元素，化学符号k，原子序数19。
The product was identified by melting point, chemical element analysis and IR spectra analysis.
采用熔点测定、元素分析、IR验证了产品的结构。
In the environment, some chemical element that is too many or lacks can affect the human body health.
环境中某种化学元素过多或缺乏都会影响人体的健康。
During surficial processes, the migration and enrichment of chemical element are response to environmental changes.
表生作用过程中化学元素的迁移富集规律，是元素对环境条件变化响应的表现。
Oxygen, the most abundant chemical element, is present in combination with hydrogen to the extent of 89 percent in water.
在水中，氧这种最丰富的化学元素与氢结合，其含量多达89%。
The supernovae make the chemical elements through real alchemy, transforming one element, the light elements into the heavy ones.
超新星通过真正的点金术制造化学元素，把一种元素，轻的元素转变成重的。
Each chemical element emits24 gamma rays of a different energy, so this would reveal the identities of the elements in the paint.
不同的化学元素会释放出不同能量级的伽马射线，这些射线昭示了壁画上的元素种类。
Each chemical element emits24 gamma rays of a different energy, so this would reveal the identities of the elements in the paint.
不同的化学元素会释放出不同能量级的伽马射线，这些射线昭示了壁画上的元素种类。
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