| 1. | The black soot deposited on a kettle by a smoky campfire is nearly pure carbon .
带烟的营火在水壶上熏积的黑煤烟几乎是纯碳。 |
| 2. | The resulting flue gas is almost pure carbon dioxide
产生的管道气体几乎仅仅是二氧化碳。 |
| 3. | What do you call 60 atoms of pure carbon
由60个碳原子组成的 |
| 4. | Instead of pure carbon , nanotubes can now be made from the stuff of dna
除了使用纯碳之外，现在还能以dna当做制造奈米管的材料。 |
| 5. | Chemists had known for a long time that pure carbon normally came in two common molecules forms : graphite and diamond
长期以来，化学家都知道碳以两种常见的形态存在：石墨及金刚石。 |
| 6. | On base of pure carbon combustion test data , combustion stability parameter r . was proposed to evaluated combustion stability
以纯碳的测试参数为基准，提出了燃烧稳定性的判别指数rw 。 |
| 7. | It is interesting to note that diamond is a form of pure carbon , the fourth most common chemical element of the universe , after hydrogen , helium , and oxygen
有趣的是，钻石原来只是纯碳，而碳是仅次于氢氦和氧，宇宙间第四种最常见的化学元素。 |
| 8. | At this year ' s march meeting of the american physical society , the group reported that this gossamer substance is ferromagnetic ( like iron ) , the only type of pure carbon that has that property
在今年3月举行的美国物理学年会中，该研究群发表了这种薄纱状的物质能拥有像铁一样的铁磁性，这可是纯碳物质中唯一具有这种特性的例子。 |
| 9. | Charcoal making is a process for separating wood and bamboo into its solid , almost pure carbon component and its volatile liquid component by means of a chemical reaction known as thermal decomposition
烧成的炭可成为一种用途广泛的资源，如地下调湿炭，土壤改良剂等等。这种烧炭方式把木材竹材通过热分解化学反应将固体成分的炭素和水分分离开来。 |
| 10. | Meanwhile , the preparation of the carbon nanotubes composite coating was studied in this paper . the pure carbon nanotubes were deposited in the nickel coating by the chemical composite deposition method , and the influence of some factors in the process of the preparation was analyzed
采用化学复合沉积的方法，将纯净的碳纳米管复合于镍镀层，制备出了碳纳米管镍基复合镀层，并对制备过程中的影响因素进行了分析。 |
