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Nanomechanics weighs in

机译:纳米力学占了上风

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摘要

We tend to associate mass with the quantity or size of an object. At the microscopic scale, however, mass measurements are a powerful tool that can provide information about the molecular and atomic composition of an object. While measurements of macroscopic masses traditionally rely on the fact that the gravitational force is directly proportional to the mass of the object, the Earth's gravitational field is too weak to produce reliable measurements of the force in the case of molecular-scale objects.
机译:我们倾向于将质量与物体的数量或大小相关联。然而,在微观尺度上,质量测量是一种强大的工具,可以提供有关物体分子和原子组成的信息。传统上,宏观质量的测量依赖于引力与物体质量成正比的事实,而在分子尺度物体的情况下,地球的引力场太弱,无法对力进行可靠的测量。

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