英文原文链接参见：http://www.ns.umich.edu/htdocs/releases/story.php?id=1063Scientists find new way to manipulate polymers, including DNAANN ARBOR, Mich.—Polymers, large molecules comprised of chains of repeating structures, are used in everything from the coatings on walls of ships and pipes to reduce flow drag to gene therapy. But long polymer chains are subject to breakage, called scission, and a new study by the University of Michigan shows that as it turns out, much of what scientists previously thought about why polymers break when subjected to strong flows, such as waves crashing agains
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