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nutrient criteria
释义
nutrient criteria
Encyclopedia
工学
大气污染物环境基准
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nutrient criteria
营养物基准
水体中产生的生态效应不危及其功能或用途的营养物浓度或水平。可以反映受到人类开发活动影响程度最小的地表水体营养状态。主要指地表水体中浮游藻类生物不产生过量生长现象(水华现象),不致危害该水生态系统结构或功能的水体中营养物质的安全阈值。
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biomedical metallic materials
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biomedical polyacrylamide, PAM
biomedical polyacrylic derivatives
biomedical polyacrylonitrile, PAN
biomedical polyamide
biomedical polyamino acid
biomedical polyanhydrides
biomedical polycarbonate
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biomedical polyether
biomedical polyformaldehyde
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biomedical polymeric materials
biomedical polymer materials
biomedical polyolefin
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biomedical polyphosphazene
biomedical polysiloxane
biomedical polysulfone
biomedical poly(tetrafluoroethylene)
biomedical polyvinyl acetate
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