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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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acoustic constant
acoustic correlation log
acoustic coupler
acoustic coupling agent
acoustic current meter by time difference method
acoustic damping coating
acoustic defects
acoustic detection method
acoustic diffraction
acoustic disk
acoustic dispersion
acoustic dispersion, sound dispersion
acoustic doppler current detection technology
acoustic Doppler current meter
acoustic Doppler current profile
acoustic Doppler current profiler
acoustic Doppler current profiler discharge measurement
acoustic Doppler effect
acoustic double negative material
acoustic double-negative material
acoustic dust collector
acoustic echo cancellation
acoustic-electrical transducer
acoustic emission
acoustic emission detection
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