Current difficulties of using nanotubes to make molecular elements and nanocircuits on large-scale are emphatically analyzed, and potential applications of nanotube rectifiers are suggested.

着重分析了现阶段利用碳纳米管大量研制分子元器件及纳米电路所面临的困难，并对碳纳米管整流器件的应用前景作了展望。

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While self-renewal is now beginning to be understood at a molecular level, what remains unclear is how its individual elements (i. e. , proliferation and inhibition of differentiation) are regulated.

人们刚刚开始在分子水平了解自我更新，我们依旧未知的是它的单独的原理（比如分化的增殖和抑制）是如何调控的。

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In this paper, a new approach to judge molecular configuration of complex for transition elements by VSEPR theory is put forward on the basis of molecular orbit theory.

在分子轨道理论的基础上，提出一种应用VSEPR理论判断过渡元素配合物分子构型的方法，并对其在八面体场、四面体场中的应用进行了详细的探讨。

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Now if you read in the book, you read about where this figure is shown in the book, you can understand more about why these structures line up in the right way so that the right molecular elements are together to form hydrogen bonding pairs between them.

如果你预习过课本,课本中有关于这些详细的描述,你可以更深刻的理解,为什么这些结构是采用这种连接方式,以使对应的分子部分靠近,并形成氢键连接

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"My vision is that we will have drugs targeting key elements of molecular pathways" that go awry in disease, Fishman says.

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