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material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle1,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspired engineering analyzed2 the insect cuticle which includes chitin and other proteins,such the fiber3 also found in spider silk.then they advise method to produce material made up layer of chitin fiber. the result is on part with aluminum4 alloy5 for strength, but the half metal's weight. they call the stuff shrilk a combination of shrimp6 as describe the shrimp are good source of chitin and silk,its flexibility7 can be manipulated by adjust the water content just as insect too. the reaserch is in journal <advanced materials>.shrilk's creators say it could be a green alternative to plastic for a crash bag even diapers.its strength and biocompatibility could make it good for surgical8 suture or as a scaffolding for tissue regeneration.shrilk is a clear film,if it can be made to stay clear when thick,it could make a enterprise engineer * transparent9 aluminum obsolete10 in advance.
1 cuticle | |
n.表皮 | |
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2 analyzed | |
v.分析( analyze的过去式和过去分词 );分解;解释;对…进行心理分析 | |
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3 fiber | |
n.纤维,纤维质 | |
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4 aluminum | |
n.(aluminium)铝 | |
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5 alloy | |
n.合金,(金属的)成色 | |
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6 shrimp | |
n.虾,小虾;矮小的人 | |
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7 flexibility | |
n.柔韧性,弹性,(光的)折射性,灵活性 | |
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8 surgical | |
adj.外科的,外科医生的,手术上的 | |
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9 transparent | |
adj.明显的,无疑的;透明的 | |
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10 obsolete | |
adj.已废弃的,过时的 | |
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