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nutrient criteria
释义
nutrient criteria
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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non self-adjoint algebra
non-self-adjoint algebra
nonself adjoint algebra
non-self-adjoint operator
non-self-adjoint operator algebra
non-self-adjoint subalgebra
non-self-applicable algorithm
non-self-conjugate
non-selfdual
non-self-maintained discharge
non-self-oscillating optical pumping magnetometer
nonself-regulating system
non-semisimple
nonsense
nonsense codon
nonsense comedy film
nonsense mutation
nonsense suppression
nonsense syllable
non-separable
non-separable element
non-separable graph
non-separable space
non-separated
non-separated topological group
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