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营养物基准
释义
营养物基准
Encyclopedia
工学
大气污染物环境基准
释
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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weak maximum principle
weak measurability
weak method
weak minimal condition
weak minimum
weak mixing
weak multiplication
weak neighborhood
weak neutral current
weak norm
weak nuclear force
weak nuclear interaction
weak operator topology
weak operator topology (WOT)
weak ordering
weak order unit
weak partition
weak perfect graph conjecture
weak periodic potential
weak phase object approximation
weak pinning
weak potential kernel
weak P-point
weak price of agricultural products
weak product
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