Sometimes the simplest things hold the key to understanding complex effects. It turns out that a humble metal pull-chain-just like those used on ceiling fans-can be a pretty good model for complex ...
CELLULOSE is a straight chain polymer of 1→4 linked β-D-glucopyranose residues, the most important polymorphs of which are natural cellulose (cellulose I) and regenerated or mercerized cellulose ...
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