为了比较陨石和太阳的成分，我们需要利用元素的比率，而不单单是原子的丰度。
To compare the compositions of a meteorite and the Sun, it is necessary that we use ratios of elements rather than simply the abundances of atoms.
毕竟，太阳中任何元素的原子，比如说铁，都比陨石标本的原子要多得多，但这两种物质中铁和硅的比例可能是可以比较的。
After all, the Sun has many more atoms of any element, say iron, than does a meteorite specimen, but the ratios of iron to silicon in the two kinds of matter might be comparable.
在水中大多数氢原子和氧原子是稳定的，但这两个元素也有微量以较重的同位素形式存在。
Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes.
这些元素产生于美国、俄罗斯和德国的实验室，而且仅仅制造出了很少的原子并且它们存在时间很短。
These elements were created in laboratories in the United States, Russia, and Germany. Only a few atoms were created and they only existed for a short time.
本文中的一些例子让您记起包含原子数字值的元素和属性是多么常见。
Some of the examples in this article remind you of how common it is for an element or attribute to contain an atomic numeric value.
她测量了这两个元素放射性的总量和原子性质，感觉到物质的放射性是同放射性元素的总量成比例的。
She named the other radium. She measured the amount of radioactivity, an atomic property, and felt that the radioactivity was proportional to the amount of the element.
任何系统开发方法的最终结果都是一个产品，1通常被由许多原子级子元素（组件）组成，可以被部件号码和替换字段标识为一个单元。
The end result of any systems development methodology is a product, 1 usually composed of many atomic sub-elements (components) that can be identified by part number and field-replaced as a unit.
科学家们忙于填补元素周期表的空白、探索未知的原子现象(如放射性和键合)。
Boffins were busily filling in the blanks in the periodic table and probing unknown atomic phenomena (like radioactivity and bonding).
化学元素的各种原子排列方式造就了矿物千差万别的晶体结构和形状。
What makes minerals special is the way that the atoms of those elements are arranged in lattices which create unique crystalline structures and shapes.
不过，我们还希望填充一些元素名、元素符号、元素号和原子量，可以在模板中使用xbl：content元素来选择这些内容。
However, you also want to include the name, symbol, atomic number, and atomic weight; you can select each of these by using an XBL: content element in the template.
每个硫酸铜单位晶格所含有的铜、硫、氧这三种元素的原子数的比例和每个硫酸铜分子中这三种元素的原子数的比例，二者是相一致的。
There is in the structure a unit of pattern containing copper, sulphur, and oxygen atoms in the same proportions as that in which they occur in the molecule.
它记录了特定元素的原子包含有多少质子和电子，它使我们能够计算大多数元素最常见的同位素中中子的数目。
It records how many protons and electrons the atoms of a particular element contain. It permits us to calculate the number of neutrons in the most common isotope for most elements.
在渗碳过程中，稀土元素对介质的分解，吸收和碳原子的扩散都起到了促进作用。
In the carburizing process, rare earth elements could promote the decomposition and absorption of medium and the diffusion of carbon atom.
塑料是用来定义由碳原子和其他元素以共用电子对的方式结合而成的聚合树脂连同有机物或者无机物类。
The term plastic is used to define human-made polymer resins containing carbon atoms covalently bonded with other elements, along with organic or inorganic substances.
碳是一种非常独特的元素，碳原子之间、碳原子和其它原子之间借助多种多样的成键方式形成形态、结构和特性各异的物质。
Carbon is a unique element, and it can be to form varied structures through kinds of electrostatic bonding ways between carbon atoms.
脉状组织形成的原因是合金元素和氮原子在原奥氏体晶界偏聚形成合金氮化物。
Since the alloy element and nitric atom segregate on the austenite crystal boundary, the vein-like structure is formed.
介绍应用石墨炉原子吸收法测定催化剂中钯和铂的分析方法，及可将干扰元素去除的巯基棉柱分离法。
A method for the determination of Pd and pt in catalyst by graphite furnace atomic absorption spectrometry is introduced, sulfhydryl cotton column is used to separate interferential elements.
测试分析了炭化条件对聚苯胺炭化产物元素组成和原子比的影响。
The effects of carbonizing conditions on the element compose and atom ratio of carbonized production from polyaniline resin were tested and analyzed.
和该化合物中每个分子所含每种元素的原子量的数目。
The chemical formula also shows the number of atoms of each element in one molecule of a compound.
磨料部分通过原子发射光谱和x射线衍射法进行金属元素及形态分析。
The metal elements and forms of abradant were analyzed by AES and XRD.
血红蛋白里的铁元素会和发光氨里的化学发生反应。意思就是说它里面的原子会重组并形成新的分子。
The iron in hemoglobin causes the chemicals in luminol to react, meaning that their atoms rearrange to form new molecules.
含有铁、钯、铂和稀土元素的化合物呈现强顺磁性，因为这些元素的原子有不完全的内电子壳层。
Compounds containing iron, palladium, platinum, and the rare-earth elements exhibit strong paramagnetism because they have atoms with some incomplete inner electron shells.
这本书简明地概述了元素周期表和原子的结构，给我留下了极为深刻的印象。
This book, which was a simple outline of the periodic table and atomic structure, impressed me greatly.
由于钼元素参与镓、铟和铊的原子化反应，从而改变了原子化机理，提高了原子化效率。
Because molybdenum participated in atomization reaction of gallium, indium and thallium, it can change atomization mechanism and improve atomization efficiency.
采用火焰原子吸收法和石墨炉原子吸收法分析了10种中成药中21种无机微量元素的含量。
The quantities of 21 microelements were determined in 10 Chinese traditional medicines, using both flame and graphite oven atomic absorption spectrometry.
本文根据稀土元素的原子结构特点，探讨其在陶瓷颜料中的成色机理。并指出研究稀土陶瓷颜料组成结构和发色机理的重要性。
The colouring mechanism of re in ceramic pigments was discussed on the basis of their atomic structures. The importance of studying the composition and chromatic mechanism was showed.
芳香环谱带的相对强度和频率对于镧系元素原子序数的依赖关系表明双-双效应的存在。
The dependence of relative intensity and frequency of bands of aromatic ring on the atomic number of lanthanides indicates the presence of a double-double effect.
化学法测定胫骨钙和磷含量，原子吸收分光光度法测定铁、锌、镁、锰、铜、钴、铬和钼等微量元素的含量。
The contents of calcium and phosphate in tibias were determined by chemical analysis and the trace elements were detected by atom absorption spectrophotometer.
化学法测定胫骨钙和磷含量，原子吸收分光光度法测定铁、锌、镁、锰、铜、钴、铬和钼等微量元素的含量。
The contents of calcium and phosphate in tibias were determined by chemical analysis and the trace elements were detected by atom absorption spectrophotometer.
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