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生物高分子材料
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生物高分子材料
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生物高分子材料
释
biopolymer materials
生物高分子材料
在生态环境中微生物的作用下,在人体或动物体内组织、细胞、酶及体液等作用下,其化学结构发生变化,导致分子量下降并最终分解成对环境及生物体无害的高分子化合物的高分子材料。又称生物降解高分子材料。
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bronzes of the Ba and Shu States
Bronzes of the Cai State
bronzes of the Chu State
Bronzes of the Guo State
bronzes of the Huang State
bronzes of the Jin State
Bronzes of the Ji State
bronzes of the middle and late Shang Dynasty
bronzes of the Rui State
bronzes of the Shang Dynasty from Houjiazhuang
bronzes of the Shang Dynasty from Qingjiang
bronzes of the Shang Dynasty from Zhengzhou
bronzes of the Site of Erlitou
Bronzes of the Spring and Autumn and the Warring States Periods
bronzes of the Wu and Yue States
Bronzes of the Xue State
bronzes of the Yan State
bronzes of the Zhongshan State
Bronzes of Yangxin Family Unearthed near Mao Mausoleum
Bronze Square Desk with Golden Dragon and Phoenix
Bronze Square Ding of Qinzi
Bronze Square Ding of Shu Yu
Bronze Square Ding with Human-mask Motif
Bronze Square Mirror from Emperor Qi's Tomb
Bronze Square Zun Decorated with Four Rams
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