The atom at the tip of the chain emitted electrons onto a surrounding phosphor screen, rendering an image of the electron cloud around the nucleus.

碳链末端的原子发射电子到周围的磷光屏，得到原子核周围电子云的图像。

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When crack starts to grow, the normal stress and average atom energy at the crack tip in atomistic simulation agree well with the results of continuum analysis.

分子动力学模拟和宏微观分析均得到裂纹起始扩展的临界时刻、裂尖应力场和原子平均能量。

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So the question is this: Can you balance a pencil sharpened to a perfect single atom wide tip on its tip, without active stabilization?

那么，问题在此，你能否将一只铅笔平衡在其原子大小的尖端，而不需要动态平衡吗？

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The IBM team's innovation to create the first single molecule picture, of a molecule called pentacene, was to use the tip to pick up a single, small molecule made up of a carbon and an oxygen atom.

BBC: Atomic bond types discernible in single-molecule images