钻石(金刚石)由纯碳所组成。
带烟的营火在水壶上熏积的黑煤烟几乎是纯碳。
The black soot deposited on a kettle by a smoky campfire is nearly pure carbon.
周教授说：“这是一个很意外的发现，因为不同条件下纯碳的构造是不同的。”
Professor Zhou said: ‘This was a surprise because each form is usually created under different conditions.
另外，碳燃料来源广泛，生产纯碳的过程往往比生产纯氢的过程有效能保持率高。
Further, solid carbon can be obtained from a variety of natural resources with large enough reserves and with a high exergy retaining ratio.
纯碳能够呈现出不同的构造，这主要取决于碳原子的排列，以及他们之间的结合方式。
Pure carbon can make very different structures depending on how the atoms are arranged and how they bond to each other.
令他吃惊的是，他发现蜡烛里的碳已经形成了纯碳的四种形态，包括：钻石、石墨和铅笔芯。
To his surprise, he discovered that the carbon in the candle wax had formed all four types of pure carbon, including diamonds and graphite, or pencil lead.
富勒烯被发现时也曾被誉为神奇物质，它及其被称为巴克管的由纯碳组成的圆柱形分子衍生物，至今被人们所推崇，但是它们都没有达到人们所预期的高度。
Both it and its descendants, so-called buckytubes, which are cylindrical molecules made of pure carbon, are still much admired, but they have not yet lived up to their promise.
这就使分离纯CO2变得简单廉价，从而在未来碳存储系统投入实际使用之后，将会对大规模安装起到很大帮助。
This makes it easy and inexpensive to separate out pure CO2, which for large-scale installations could be useful in the future if a carbon storage system becomes available.
采用电弧离子镀膜方法，以高纯石墨为碳离子源在PM MA树脂义齿表面沉积类金刚石膜。
By the technology of vacuum cathodic arc deposition, graphite as cathode, Diamond like carbon film (DLC) was deposited on PMMA resin denture.
根据碳同位素组成和稀有气体同位素组成分析，认为研究区不存在纯的幔源气。
As the gases from different origins were interacted and mixed for along time, their composition, isotope constitution were complicated.
计算结果表明，只要满足适当的条件，利用碳热还原反应方法能够制取高纯的UN核燃料。
Calculation results show that highly pure UN nitride can be produced by carbothermal method if some requirements are met.
主要测试无爆炸性之各种固态或液态之纯质有机化合物中的氮、碳、氢、氧及硫之重量百分率。
A primary use of testing the weight percentages of nitrogen, carbon, hydrogen, oxygen and sulfur within a variety of solid or liquid explosive of pure organic compounds.
在实验室中制备出含碳量低于0.025％合格的工业纯铁。
The qualified industrial pure iron whose carbon content is below 0.025% has been made in laboratory.
对TA1纯钛进行了离子碳氮共渗。
The ion carbonitriding process was applied to pure titanium TA1.
石油焦的煅烧可产出几乎纯的碳或人造石墨，适于生产电极、电机刷和干电池等。
Calcination of petroleum coke can yield almost pure carbon or artificial graphite suitable for production of electrodes, motor brushes, dry cells, etc.
用俄歇电子能谱 （AES）研究高真空室中纯铁和多能量叠加注碳纯铁表面与氧气吸附及初始氧化过程。
The initial oxidation of pure iron and implanted samples which were overlapped energy ion–implanted with C ions was studied by auger electron spectroscopy (AES).
七星黑碳薄荷盒装烟将变成七星纯薄荷盒装烟；
Seven Stars Black Charcoal Menthol Box will become Seven Stars Solid Menthol Box;
在管状炉和感应炉中对不锈钢粉尘含碳球团进行加热还原，分析得出其还原度和还原速率与纯三氧化二铬相比达到相同还原程度的温度较低；
The reduction extent and rate increase with temperature, however the temperature is lower at the same reduction extent in pure Cr_2O_3 reduction.
在管状炉和感应炉中对不锈钢粉尘含碳球团进行加热还原，分析得出其还原度和还原速率与纯三氧化二铬相比达到相同还原程度的温度较低；
The reduction extent and rate increase with temperature, however the temperature is lower at the same reduction extent in pure Cr_2O_3 reduction.
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