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biopolymer materials
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biopolymer materials
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生物高分子材料
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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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Family Cemetery of Western Han Dynasty at Fengqiyuan
family-centered community
Family Change
family commune
family communication theory
Family Compact
family conflict theory
family constellations
Family Constitution
family contract system of public grassland
family control
family cuan's stelae
family doctor
family education
Family Entrepreneurship
family ethics
family ethics drama
family ethics film
family farm
Family Farm and Garden
family forest farm
Family formal governance
family foster care
family foundation
Family-friendly Workplace
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