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Kodami on MSN
26 天
La foto della farfalla gigante trovata su un balcone in Italia: è una specie aliena
Le Samia cynthia, sono state allevate per la produzione di una seta particolarmente robusta, superiore a quella del Bombice ...
Wikiwand
17 天
现有可用的蛋白结构:
丝蛋白是由几层反对称的Β折叠构成,其基本结构主要是以下重复出现的胺基酸序列 (Gly-Ser-Gly-Ala-Gly-Ala) n 。因为富含甘氨酸,使丝蛋白能够紧密堆积,也使得蚕丝有强韧的结构及较高的抗拉强度。因此同时具有刚度和韧性,因此蚕丝可以用到许多不同的领域中 ...
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