Mixing the polymer with commercially available carbon nanotubes in a solvent separates semiconducting tubes from conducting tubes.

把这种聚合物和碳纳米管在一种溶剂中混合，可以将半导体管和导体管分离开。

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To make their lens, the researchers took a biodegradable polymer called PLGA and dissolved it in an organic solvent, and then they added their drug.

研究者采用了一种叫PLGA的生物降解聚合物来制造镜片，首先将其溶解在有机溶剂里，然后加入药物。

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As the solvent evaporated, they were left with drug mixed into a polymer film.

等到溶剂挥发后就得到混合有药物的聚合薄膜。

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After drying and being treated with another solvent, the polymer settles into a regular hexagonal pattern--a kind of plastic-like screen--on the crystalline surface.

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Luckham and Torres milled down old fabrics and mixed the fibers with a polymer, then added a solvent that would evaporate before the formula hit a surface and turned solid on contact.

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The researchers then spray the crystal's surface with a specially designed polymer dissolved in a hydrocarbon-based solvent.

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