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发帖数: 61 | 1 i have several films of 10-100 microns thick and 3 cm^2 big. an accurate
balance can measure their mass, but their volume seems so hard to measure. | c******x
发帖数: 438 | 2 Use ARCHIMEDE'S PRINCIPLE, if no open void/pore in your sample,find a
suitable liquid, usually water, if your sample doesnot adsorb it. |
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