活塞表面涂有石墨以减少摩擦。
一股强大的电流被传导经过一块石墨。
A powerful electric current is passed through a piece of graphite.
石墨是一种高效的电导体。
该物由铸铁制成,表面以石墨搪瓷抛光。
否则,它们会变成石墨或燃烧。
在美国化学协会杂志刚发表的一篇论文《纳米》表示加入少许石墨烯也许就能解决这个问题。
A paper just published in the American Chemical Society's journal, Nano suggests a sprinkling of graphene may deal with this problem.
然而,曹发现石墨烯有时会发生变化。
曹的论文是关于石墨烯的——世界上最薄却最坚硬的物质。
Cao's papers are about graphene (石墨烯), the thinnest and strongest in the world.
石墨烯是一种只有单原子厚度的碳原子平面层——碳原子按蜂窝状晶格排列。
Graphene is a flat sheet of carbon just one atom thick—with the carbon atoms arranged in a honeycomb lattice.
石墨烯最早在2004年诞生于一个实验室,本质上是一层由纯碳原子组成的蜂窝状晶格层,薄到竟被认为是二维物质。
First produced in a lab back in 2004, graphene is essentially a single layer of pure carbon atoms bonded together in a honeycomb lattice so thin it's actually considered two-dimensional.
这些石墨块事实上是燃料组件。
这个石墨块是和,台球的大小一样。
And this graphite pebble is about the size of a billiard ball.
这种石墨可以在自然状态下用来书写。
This graphite could be used in its natural state for writing.
研究者使用普通胶布从石墨中提取石墨烯。
The researchers extracted graphene from graphite using ordinary adhesive tape.
铅笔芯里的石墨就是由多层石墨烯组成的。
Layers of graphene make up the graphite found in pencil lead.
石墨开采自锡兰。
他们用胶带从一块石墨上分离出石墨烯。
they peeled it off the surface of a piece of graphite using sticky tape.
石墨能够使用。
而此石墨电路甚至还可以被装到电路板上。
除了刚度,石墨烯更著名的是其有可能替代硅。
Apart from stiffness, graphene is possibly better known as a potential silicon replacement.
石墨稀已被标榜为我们这个时代的新超级材料。
GRAPHENE has been heralded as the new supermaterial of our time.
主动反应堆区域由石墨包裹的圆柱形燃料棒堆积排列而成。
The active reactor zone is a laying of graphite blocks with cylindrical fuel apertures.
实际上,石墨烯甚至可能作为未来电学材料的候选人取代硅。
Indeed, graphene might even replace silicon as the electronic material of choice in the future.
换句话说,你就可以利用石墨薄膜来进行变换光学了。
In other words, you can do transformation optics using graphene.
给石墨烯引入带隙的方法之一是制作极窄的石墨烯带。
One way of introducing a bandgap into graphene is to make extremely narrow ribbons of the material.
石墨烯是一种超强度的单层碳——只有一层原子那么厚。
Graphene is a super strong sheet of carbon that's only one-atom thick.
这两个结果是采用石墨烯进行DNA测序研究的重大进展。
Both of these are important advancements towards using graphene for DNA sequencing, "he says."
然而,与半导体硅不同,石墨烯的价带和导带之间没有带隙。
However, unlike the semiconductor silicon, graphene has no gap between its valence and conduction bands.
然而,与半导体硅不同,石墨烯的价带和导带之间没有带隙。
However, unlike the semiconductor silicon, graphene has no gap between its valence and conduction bands.
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