| http://www.w3.org/ns/prov#value | - There???s a fair bit of trial and error in making the desired product,??? he adds, ???because on an atomic level, we don???t understand what???s happening in the reactor; we can tweak things such as the level of vacuum, the electrode voltages, the vapour composition and so on.???The result is a graphene nanoplatelet powder that visually appears little different from the graphite that went in, but
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